40% discount
Jofuni Professional Rock Tumbler Machine, Rocks Polishing Machine Kit with Noise Reduction Cover for Kids, Adults & Rock Collector, 3-Speed Motor & 9-Day Timer, Geology Hobby Toy Gift
Jofuni
£ 49.99
free delivery
25% discount
TOSY Magnet Pyramid Stone - 1 Cube Transforms into 1 Billion Shapes, 12 pieces, 243 Rare Earth Magnets, Holographic Design Magnet Tiles Creative Puzzle STEM/STEAM Toy
TOSY
£ 37.91
free delivery
19% discount
6LBS Rock Tumbler with Double Transparent Drums Great for Seperate Polishing Tasks
Generic
£ 97.60
free delivery
19% discount
A1 Professional Rock Tumbler Kit, 4LB Extra-Large Barrel with Cutting-Edge Brushless Motor, Adjustable Speed & Timer, Durable Metal Base for Adults & Rock Collectors – Includes Full Accessories
AtoRock
£ 131.91
free delivery
17% discount
Professional Rock Tumbler Machine, Rocks Polishing Machine Kit with Noise Reduction Cover for Kids, Adults & Rock Collector, 3-Speed Motor & 9-Day Timer, Geology Hobby Toy Gift (2026 Upgrade)
Jofuni
£ 59.99
free delivery
23% discount
C1 Pro Ultra Brushless Rock Tumbler Kit - Double Barrel for Extra Large 7LB Capacity, Up to 6X More Noise Cancelling, Quiet Rotary Polisher with Full Accessories, Perfect STEM Gift for All Age
The FIRST and ONLY rock tumbler with a double barrel & brushless motor — exclusively from KoolStone. Enjoy a better tumbling experience with our official bonus: get an extra bag of rough stones or belts (worth $30) on us. Contact KoolStone to claim your original gift.
£ 194.73
15% discount
StemRock Upgraded Rock Tumbler Kit, Complete Rock Polisher Machine, Durable 1 Lb Barrel Great STEM Science Gift Adult, 9-Day Timer & 3-Speed Motor, Include Rocks, Grits and DIY Tools, GS03-N-B02
StemRock
£ 44.87
free delivery
13% discount
VATOS Science Circuit for Kids, 53PCS DIY Electronics Exploration Kit with 150+ Projects, Physics Science Experiments Circuit Board Kit, School Family STEM Educational Toy Gift for Boys Girls Ages 6+
VATOS
£ 52.89
free delivery
12% discount
MJR Tumblers Refill Grit Kit for 3 LB Rock Tumblers Silicon Carbide Aluminum Oxide Media Polish
MJR Tumblers
£ 33.74
free delivery
12% discount
NATIONAL GEOGRAPHIC Break Open 10 Premium Geodes – Includes Goggles and Display Stands - Great STEM Science Kit, Geology Gift for Kids, Geode Crystals, Toys for Boys and Girls
Blue Marble
£ 55.26
free delivery
11% discount
AtoRock Professional Rock Tumbler Kit, 22LB Extra-Large Barrel with Cutting-Edge Brushless Motor, Real-Time Motor Output & Runtime Display - Heavy Duty Metal Base for Adults & Rock Collectors
AtoRock
£ 333.96
free delivery
10% discount
NATIONAL GEOGRAPHIC Earth Science Kit - Over 15 Science Experiments & STEM Activities for Kids, Includes Crystal Growing Kit, Volcano Science Kit
Blue Marble
£ 61.64
free delivery
7% discount
Discover with Dr. Cool Replacement Rock Tumbler Barrel for National Geographic Professional Series - 2Lb | 2 Lb. Capacity, Leak-Proof Lid, Replacement Parts, Fits National Geographic Professional and Hobby Series Tumblers
Discover with Dr. Cool
£ 47.67
free delivery
5% discount
MJR Tumblers Refill Grit Kit for 50 LB Rock Tumblers Silicon Carbide Aluminum Oxide Media Polish
MJR Tumblers
£ 58.41
free delivery
5% discount
WAN2TLK Rock Tumbler Grit and Polish Refill Kit 2kg - for Any Brand of Rock Polish- 4 Basic Step Tumbling Media (Coarse/Medium Grit/Pre-Polished/Final Polished)
WAN2TLK
£ 36.99
free delivery
5% discount
NATIONAL GEOGRAPHIC Rock Tumbler Grit - 1.49kg Polishing Grit Media for Any Rock Tumbler, Rock & Stone Polisher, Polishes 3.63 - 4.54kg of Rocks
Blue Marble
£ 58.73
free delivery
Thumler's Tumbler Rock Polisher
Thumler's Tumbler
free delivery
5% discount
NATIONAL GEOGRAPHIC Birthstone Dig Kit - Science Kit with 12 Genuine Birthstones, includes a Real Diamond, Ruby, Sapphire, Pearl, & More, Gemstones and Crystals, Rock Collection (Amazon Exclusive)
Blue Marble
£ 76.73
free delivery
1LB Rock Tumbler with Dual Control System
EASY TO USE: Rock tumblers are small machines, usually small enough to rest on a tabletop.
free delivery
Thumlers Rotary Tumbler Polisher Media Rocks
One model Ar-1 rock tumbler
free delivery
VIYUKI 9LBS Vibratory Tumbler Polishing Machine for Rocks/Metal Parts/Screw
VIYUKI
free delivery
KomeStone Replacement Rock Tumbler Barrel G3 Metal Base Rock Tumbler
Compatible With Komestone G3 Rock Tumbler: Designed specifically for the KomeStone G3 metal base rock tumbler, ensuring a proper fit and reliable performance.
free delivery
Leegol Electric Rock Tumbler 18 Lbs Vibratory Tumbler Bowl
Electrical Input: 120V/60Hz/0.5A Barrel Capacity: 18LBs
free delivery
KoolStone Replacement Rock Tumbler Base with Memory Function, Compatible C1 Rock Tumbler
KoolStone
free delivery
KoolStone C1 Pro Ultra Brushless Rock Tumbler Kit - Dual Barrel 7LB Capacity with Noise-Reducing Cover, Ultra Quiet Professional Rock Polisher with Full Accessories, Perfect STEM Gift
KoolStone
free delivery
KomeStone Rock Tumbler Tumbling Ceramic Filler Media for Rocks Tumbling, 6 Lbs
KomeStone
free delivery
KoolStone Brushles Motor Rock Tumbler Base with Memory Function
Brushless Rock tumbler base for KoolStone ( Not included the barrel ) .
free delivery
MJR Tumblers Refill Grit Kit for 12 LB Rock Tumblers Silicon Carbide Aluminum Oxide Media Polish
MJR Tumblers
free delivery
Professional Rock Tumbler Kit with 22 Pieces, Including Clay & Gemstones
Transform rough rocks into polished gemstones.|Includes air-dry clay to create and decorate with polished stones.|Rubberized barrel for quieter operation during tumbling.|Comes with all the necessary tools and ingredients for crafting.|The included necklace straps allow you to wear your creations.|Ages 8+
free delivery
MJR Tumblers Refill Grit Kit for 20 LB Rock Tumblers Silicon Carbide Aluminum Oxide Media Polish
MJR Tumblers
free delivery
Polly Plastics Rock Tumbler Tumbling Media Grit Kit & Plastic Filler in Heavy Duty Resealable Bags
Polly Plastics
free delivery
Rock Tumbler Barrel Extral Large Capacity 3.5 Lbs 5 x 6 inch, Rubber Material, with Durable Leak-proof Lid
NOTICE: Due to different spacing between the axles of different rock tumbler, it may lead to the barrel being incompatible. Please make sure to match the dimensions carefully before placing an order.
free delivery
Electric Rock Tumbler Kit with Leakproof Barrel and Silent Motor for Polishing Gemstones, Crystals, and Metals
Generic
free delivery
10 lb Rock Tumbler, Awarded Best HIGH END Tumbler for 2019, Made in The USA
MJR Tumblers
free delivery
Discovery DIY Bionic Robot Hand Kit, 87 Pcs, STEM Kids & Teens | Build Your Own Hydraulic Cyborg Hand, 87-Piece Robotics Construction Kit, Fun STEM Science Gift for Kids & Teens
DISCOVERY #MINDBLOWN
free delivery
Electric Rock Tumbler - Gemstone Polisher with 7-Day Timer and Detachable Polishing Kit for Geology and Mineral Crystals
Generic
free delivery
Fistone Rock Tumbler Kit, Rock Polisher Tumbler with Noise Reduction Cover, Great Gift for Kids and Adults
[Create Your Own Gemstones] Unleash your creativity and turn rough stones into brilliant, polished gems with our user-friendly polishing kit. It effortlessly converts ordinary rocks into beautiful, glossy treasures, and includes two jewelry accessories for you to design your very own gemstone pendants!
free delivery
MJR Tumblers 2/3 Gallon Rock Tumbler Barrel - Barrel for Tumbling, Rock Polisher Tool, 12 lb
CREATE YOUR OWN GEMSTONES: This tumbler barrel makes it even easier to turn rough rocks into beautiful gems. The professionally designed rock polish learns during the polishing process, making the polishing process more fun.
free delivery
Electric Rock Tumbler Machine with Leak-Proof Barrel and Quiet Motor for Polishing Gemstones, Crystals, Glass, and Metal
Generic
free delivery
KoolStone Rock Tumbler Grit Kit [6 Pounds], Polish Up to [40 lbs.] of Rocks, 4 Steps Polish Refill Media Kit, Compatible with Any Tumbler
KoolStone
free delivery
Rock Tumbler Polisher Kit - Electric Gem Grinder for Kids and Adults - DIY Stone Polisher for Home Use with Timer Buttons
Generic
free delivery
MJR Tumblers 12 LB Rock Tumbler Awarded Best High End, Most Versatile Run 4 Dif Barrel Combinations
Heavy duty 16 gauge welded steel frame, powder coated to be scratch and corrosion resistant
free delivery
Electric Rock Tumbler with Detachable Grinder, 7-Day Timer, Gem Polishing Tool, Easy to Use for All Ages
Create Your Own Gemstones, Easy to Use Rock Tumbler Kit, Durable Design Transforms Rough Rocks Into Polished Gems
free delivery
National Geographic Rock Tumbler Refill Kit - 2.26 kg Mix of Rocks & Rough Gemstones for Tumbling, Rock Tumbler Supplies, Grit and Polish Refill
Blue Marble
free delivery
KoolStone Rock Tumbler Grit and Ceramic Tumbling Media 4 Pounds, Polish Up to 25 lbs. of Rocks, Polish Refill Media Kit, Compatible with Any Tumbler
KoolStone
free delivery
Rock Tumbler Kit for Kids, Automatic Turn Off Low Noise DIY Science Experiment Toy, Ages 8+ Educational Grinder
Transform any stone into sparkling gems with this tumbler, perfect for sanding everyday rocks to create dazzling results.
free delivery
National Geographic Rock Tumbler Grit and Polish Refill for Any Tumbler | 4-Stage Grit and Polish, Polishes Up to 9 kg of Rocks, Tumbling Media, Rock Polishing Supplies, Compatible with Any Tumbler
Blue Marble
free delivery
Electric Rock Tumbler Kit, Adjustable Speed Rock Polisher Machine with Strong Power and Low Noise for Polishing Stones, Coins, and More
Generic
free delivery
Rock Tumbler Machine Kit Electric Gem Grinder With Timmer Buttons Detachable DIY Stone Polisher Complete Rock Tumbler Polisher Kit DIY Tools Gift
Generic
free delivery
AtoRock Tumbler Grit and Ceramic Tumbling Media, 4 Pounds, 4-Step Polish Refill Kit, Polishes Up to 25 lbs of Rocks, Compatible with All Rock Tumblers
AtoRock
free delivery
Electric Rock Tumbler Kit - Adjustable Speed Rock Polisher Machine with Strong Power, Uniform Vibration, and Low Noise for Stones, Coins, and More
Generic
free delivery
8 inch Jewelry Vibration Polishing Machine, 130W 6.2L Electric Vibrating Tumbler Vibratory Rock Tumbler Bowl Tumbling Polishing Machine Convenient Operation
JINTAOMA
free delivery
Rock Tumbler Kit - Electric Stone Polisher for DIY Gemstones, Professional Rock Polishing Machine for Adults and Kids, Includes Timer and Accessories
Generic
free delivery
KomeStone Replacement Motor Base for K2 Elite Rock Tumbler, with Quiet Brushless Motor & Noise-Reduction Cover, Includes Power Cord - Genuine
KomeStone
free delivery
Electric Rock Tumbler, Rock Tumbler Kit, Adjustable Speed, Strong Operating Power/Uniform Vibration and Low Noise, Rock Polisher Machine for Rock Stone Coins, Etc
oiakus
free delivery
Rock Tumbler Kit, Electric Stone Polisher for DIY Gemstones, Professional Rock Polishing Machine for Adults and Kids with Timer Buttons
Transform Your Own Gems: Rock tumbling is an enjoyable hobby for both children and adults. This professional-grade rock tumbler simplifies the process of turning rough rocks into beautifully polished gems, making it an exciting addition to your crafting activities.
free delivery
Jewelry Polishing Machine, 8 inch Vibrating Tumbler, 130W Electric Vibratory Rock Tumbler with 6.2L Bowl for Convenient Operation and Polishing
Generic
free delivery
Science Mad Rock Tumbler Machine For Kids - Learn About Rock Tumbling, Polishing and Gemstones With Fun - Includes Rough Gemstones and Jewellery Making Kit, 10+ Years, Multicolor
Science Mad
free delivery
Professional Rock Tumbler Kit, 220V DIY Stone Polisher with Timmer Buttons, Electric Gemstones Stone Polishing Toy, Rock Tumbler Machine
220V Universal Plug: Increased user convenience with European standard EU plug.
free delivery
Electric Rock Tumbler Kit with Adjustable Speed and Low Noise, High Power Operations, for Polishing Stones, Coins, and More
Generic
free delivery
AliKids 3.5LB Professional Rock Tumbler Kit, 3 Speed Settings & Digital 9-Day Timer, Rough Gemstones, 4 Polishing Grits
3.5LB ULTIMATE ROCK TUMBLING KIT - Prepare to transform rough rocks into polished gems with our comprehensive kit, which features a professional-grade rock tumbler, a low-noise barrel with a 3.5LB capacity, 9 different types of gemstones, 4 polishing grits, extra belt,filler media, a sifter, jewelry fastenings, and a detailed learning guide.
free delivery
Acmeenjoy Rock Tumbler Kit Barrel Stone Polishing Machine with 9-Speed Motor & 9-Day Timer, Rock Polisher Machine for Kids & Adults, Includes Gemstones, Grits and DIY Tools
Acmeenjoy
free delivery
Rock Tumbler Kit Adults - Rock Polisher Tumbler with Noise Reduction Cover, Speed&Timer Control, Includes 4 Polishing Grits, Rough Gemstones, Learning Guide etc.（Blue）
FINOOS
free delivery
National Geographic Professional Rock Tumbler Kit- Stone Polisher for Kids and Adults, Complete Kit with Durable Tumbler, Rocks, Grit, and GemFoam Polisher, A Great STEM Hobby | 2 Lb. Leak-Proof Barrel, Variable Speed and Timer, 1 Lb. Rough Gemstones, 4-Stage Grit, GemFoam Polish, Jewelry Fastenings
Blue Marble
free delivery
Wsexyy Vibratory Tumbler Polisher, Rock Tumbler Kit, 17Inch Vibratory Rock Tumbler Bowl, Low Noise, Polishing Machine Kit for Professionals & Hobbyists
Perfect performance: High-efficiency motor with better drum effect and higher strength, which has a rolling effect similar to that of a spiral back and can be used for grinding, cutting and polishing workpieces. In the finishing process, the shape of the workpiece is not damaged
free delivery
Electric Rock Tumbler Machine for Polishing Gemstones, Crystals, Stone, Glass, and Metal with Leakproof Barrel and Silent Operation
Generic
free delivery
Tumble-Bee Rock Tumbler - Large Tumbler for Adults & Kids - Rotary Machine for Stone, Rock, Metal and Sea Glass - Polishing Machine for Professionals & Hobbyists - Model TB-14, 1X4LB Barrel
Tumble-Bee
free delivery
FUYAO Electric Rock Tumbler Kit, Adjustable Speed Polisher Machine for Stone Coins, Strong Operating Power, Uniform Vibration, Low Noise
Smart Roller Tool: This advanced rock roller model is ideal for polishing projects, designed to handle large batches of materials simultaneously, including rocks, glass, and metals for deburring and polishing.
free delivery
Electric Rock Tumbler Kit - High Speed Rotating Stone Polishing Machine with Adjustable Speed for Jewelry, Jade, Metal, and Sea Glass
Generic
free delivery
Electric Rock Tumbler Machine, with Digital Timer, 450g capacity drum with 4-Day Time for DIY Stone Polishing in Hobby and Projects
Generic
free delivery
National Geographic JM80570M Rock Tumbler Starter Set – Educational Rock Polishing Hobby Kit with Noise Reducing Drum, Gemstones & Grit, Jewellery Settings & Full Colour Guide – Science Kit – STEM
National Geographic
free delivery
Rock Tumbler Polisher Kit Professional Rock Tumbler Kit Electric Gem Grinder with Timmer Buttons Detachable DIY Stone Polisher for Kids All Ages
Rock Tumbler Kit: Contains everything you need to create polished stones, (Kit includes 2 straps, bag of rough stones, 4 rough grinds, fine grind polish, final polish, polishing grit)
free delivery
PVYGDXYI Rock Tumbler Kit, Electric Stone Polisher for DIY Gemstones, Professional Polishing Machine Adults and Kids with Timer Buttons
Transform Your Own Gems: Rock tumbling is an enjoyable hobby for both children and adults. This professional-grade rock tumbler simplifies the process of turning rough rocks into beautifully polished gems, making it an exciting addition to your crafting activities.
free delivery
WireJewelry Single Barrel Rock Tumbler - Parent
WireJewelry
free delivery
NATIONAL GEOGRAPHIC Hobby Rock Tumbler Kit - Rock Polisher for Kids & Adults, Durable Noise-Reduced Barrel, Rocks, Grit & New GemFoam for a Shiny Finish, Cool Toys, Great STEM Hobby Kit
Blue Marble
free delivery
KomeStone Replacement Metal Base for G3 Rock Tumbler – Digital Control Unit with Brushless Motor, Built for 22LB Capacity
Built for Serious Loads – Handles continuous 10–20 lb cycles with ease.
free delivery
Professional Rock Tumbler Kit - Electric Gem Grinder with Timmer Buttons, Detachable DIY Stone Polisher for Kids All Ages - Complete Rock Tumbler Polisher Kit
Generic
free delivery
OFNHJK Professional Rock Tumbler Kit, Electric Rock Polisher, Adjustable Speed Rotary Rock Polisher Machine, Strong Operating Power/Uniform Vibration and Low Noise, for Metal Polishing
OFNHJK
free delivery
National Geographic Rock Tumbler Kit - 1.36 kg Extra Large Capacity Barrel with 3-Speed Motor & 9-Day Timer, Includes Rocks for Tumbling & Rock Polisher Grit, Stone Polisher for Adults & Kids | 3 Lb. Capacity Barrel, 3-Speed Motor, 9-Day Timer, Rough Rocks and Polishing Grit, Rock Polisher, Geology Hobby
Blue Marble
free delivery
KomeStone Rock Tumbler Polishing Grits Kit - 10 Pounds - Ceramic & Plastic Pellets, Polish up to 70 lbs. of Rocks, 4 Steps Rock Tumbling Refill Media Kit, Works with Any Rock Tumblers (Full Kit)
KomeStone
free delivery
NATIONAL GEOGRAPHIC Rock Tumbler Refill Kit - Rock Tumbling Supplies including Grit and Polish Refills, Ceramic Media, GemFoam, 1.36 kg Madagascar Rocks for Tumbling, Jewellery Accessories
Blue Marble
free delivery
C1 Pro Brushless Rock Tumbler Kit - Professional Large 2.5LB Capacity, Up to 3X More Durable, Ultra Long Working Life Rotary Polisher with Full Accessories & Memory Function, Ideal for Adults
KoolStone
free delivery
OFNHJK Rock Tumbler Polisher Kit, Professional Rock Tumbler Kit, Electric Gem Grinder with Timmer Buttons, Detachable Gemstone Polisher Gift for Kids All Ages
Rock Tumbler Kit: Contains everything you need to create polished stones, (Kit includes 2 straps, bag of rough stones, 4 rough grinds, fine grind polish, final polish, polishing grit)
free delivery
Professional Rock Tumbling Kit - Patent-Pending Rock Polisher for Kids & Adults, Platinum Series Ultra Quiet, 2 lb. Barrel, Rocks, Grit, GemFoam Polisher, Rock Tumblers for Adults | Ultra-Quiet Design, 2 Lb. Barrel, Rough Gemstones, 4-Stage Grit, GemFoam Polish, Rock Polisher, Geology Hobby
Blue Marble
free delivery
Professional Rock Tumbler Kit – 4LB Large Capacity Barrel with Brushless Motor & Heavy Metal Base, Adjustable Speed & 9-Day Timer, Includes All Accessories, Rock Polisher for Adults & Collectors | Brushless Rock Polisher, Heavy-Duty Metal Base, 3 Speeds, 9-Day Timer, Memory, Complete Kit for Rock Hobbyists & Collectors
KomeStone
free delivery
VIYUKI Professional Rock Tumbler Kit Includes Rough Gemstones, 4 Polishing Grits, Jewelry Fastenings,Operating Instruction, Great Stem Science Kit
Create Your Gemstones: Best rock tumblers make any stone sparkle and polish everyday rocks into dazzling gemstones! This rock tumbler kit makes it fun and easy to turn rough rocks into shiny, polished gemstones, thanks to its simple operation and durable design.
free delivery
National Geographic Rock Tumbler Refill Kit with 1.36 kg Rough Gems | 1.36 kg Rough Gemstones, Amethyst and Quartz, Rock Tumbler Grit, Rock Polishing Supplies, Tumbling Refill
Blue Marble
free delivery
BRYTE Pink Rock Tumbler, 3 Speeds & Digital 9-Day Polishing Timer, Dual Injection, Self-Cooling Premium Motor, Professional Grade Rock Polisher Kit, Ideal for Kids & Adults
Complete Rock Polishing Kit: The BRYTE stone tumbler is so much more than your average rock tumbler. It comes with everything needed to turn rough rocks into polished treasures including a sturdy tumbler with a premium motor, a rubber barrel, rough gemstones, and assorted sea glass, and more
free delivery
Electric Rock Tumbler Machine, Rotary Rock Tumbler with Leakproof Rubber Barrel,Gemstones Polisher Dual-Wheel Drive/Noise Reduction Barrel for Crystals, Stone, Glass, Metal
PERFECT GIFT:Looking for a thoughtful gift? Whether for a friend who collects crystals or a family member passionate about geology, our gemstones polisher is a practical choice. It’s also an excellent educational tool for kids interested in science and nature
free delivery
National Geographic Rock Tumbler Grit and Media Refill for Any Tumbler | 4-Stage Silicon Carbide Grit, 680 g Ceramic Pellets, GemFoam Polish, Rock Polishing Supplies, Tumbling Media
Blue Marble
free delivery
National Geographic Rock Tumbler Machine - Amazing Gemstone Polishing Machine with Authentic Grit, Stones and Crystals | STEM Educational Rock Polisher Hobby Kit Gifts for 8+ Year Old Boys and Girls
National Geographic
free delivery
BRYTE Rock Tumbler & Tumbling Machine - Medium Mint Green, 3-Speed, Ages 8+ - Direct-Drive, 9-Day Timer & Cooling Quiet Motor - Indoor Quiet Polisher & Sea Glass Kit - Rock Tumblers for Adults & Kids
BRYTE
free delivery
XDTKJDZ Jewelry Polishing Machine, Vibratory Rock Tumblers, Electric Rock Tumbler Machine, Timing Mode, 360° Rotating, Intelligent Control, for Geology Enthusiasts, Children
PROFESSIONAL POLISHING EXPERIENCE: Industrial-grade electric stone polisher, 360° rotating mechanism simulates geological process, easily polishes rough stones into dazzling gems, suitable for learning the principle of crystal formation, combining education with entertainment!
free delivery
Electric Rock Tumbler Machine Gemstones Polisher Rotary Rock Tumbler Professional Rock Tumbler Kit with Leakproof Rubber Barrel Durable Motor and Running Silently for Crystals Stone Glass Metal
Generic
free delivery
Rockhound's 1st Choice Yellowstone,Montana Black Dendrite Agate 8 oz Gem Refill Kit for Rock Tumbler, Half Pound Bag of Large Pieces, Great for Cabbing Too, Ages All
Rockhound's 1st Choice Yellowstone,Montana Black Dendrite Agate
free delivery
Professional Rock Tumbler Machine, Rocks Polishing Machine Kit with Noise Reduction Cover for Kids, Adults & Rock Collector, 3-Speed Motor & 9-Day Timer, Geology Hobby Toy Gift (Orange 2026 Upgrade)
Jofuni
free delivery
NATIONAL GEOGRAPHIC Rock Tumbler Refill Kit - 453g Gemstone Mix with 9 Varieties Including Tiger's Eye, Amethyst and Quartz - Rock Polisher Supplies Including Grit, Jewellery Settings & Instructions
Blue Marble
free delivery
Refill Grit Kit w MJR Tumblers Premium Quality Extreme Polish 12,000 Grit Sub Micron Aluminum Oxide Polish for Unparalleled Result. For 10lb Rock Tumblers w Silicon Carbide, Disabled and Veteran Owned
MJR Tumblers
free delivery
Electric Rock Tumbler Machine - Professional Gemstone Polisher with Leakproof Rubber Barrel, Durable Motor, and Silent Operation for Polishing Crystals, Stones, Glass, and Metal
Generic
free delivery
NATIONAL GEOGRAPHIC Starter Rock Tumbler Kit - Includes Rough Gemstones, 4-Stage Silicon Carbide Polishing Grit, Jewellery Fastenings & Learning Guide - STEM Science Kit for Geology Enthusiasts | Leak-Proof Rubber Barrel, 1/2 Lb. Rough Gemstones, 4-Stage Polishing Grit, Jewelry Fastenings, Geology Hobby, Birthday Gift
Blue Marble
free delivery
Dan&DarciRock Fossil & Mineral Collection & Activity Kit. Includes 250 Real Gemstones Crystals Sprning Mat Science Gift for Kids Bulk Rough Rocks Polished Gem Stones Genuine FossilsMulticolor
Dan&Darci
free delivery
KoolStone C1 Pro Max Brushless Rock Tumbler Kit - Extra Large 3LB Capacity, Up to 6X More Noise Cancelling, Ultra Quiet Rotary Polisher with Full Accessories, Ideal for Adults Kids
KoolStone
free delivery
NATIONAL GEOGRAPHIC Break Open 4 Geodes Science Kit – Includes Goggles, Learning Guide, Display Stand, Great Mineralogy & Geology STEM Gift
Blue Marble
free delivery
MJR Tumblers Rock Tumbler Media Refill Kit with Plastic Pellets for 20lb Rotary or Vibratory Tumblers 4 Stages with Silicon Carbide and Aluminum Oxide Abrasive Grit for Polishing All Stones and Gems
MJR Tumblers
free delivery
INCLY 7PCS Geology Rock Pick Equipment Kit, Rock Hammer and Chisel Set | 3lb Sledge &32 oz Rock Hammer,2PCS 12" Mason Concrete Chisel,Goggles,Jewelers loupe,For Hounding,Gold Mining,Stone Breaking
INCLY
free delivery
Flooyes Ultra Quiet Rock Tumbler Kit, STEM Science Kit for Kids, Adults
Flooyes
free delivery
Electric Rock Tumbler Machine - Professional Gemstone Polisher Kit with Leakproof Rubber Barrel, Durable Motor, and Silent Operation for Crystals, Stone, Glass, and Metal
Generic
free delivery
National Geographic Break Open 10 Premium Geodes Science Kit for Kids | 10 Premium Geodes, Safety Goggles, Real Crystals Inside, Break Your Own Geodes, Earth Science Activity, Geology Kit
Blue Marble
free delivery
Electric Rock Tumbler Machine - Professional Rotary Kit for Gemstones, Durable Leakproof Rubber Barrel, Quiet Motor, Ideal for Polishing Crystals, Stones, Glass, and Metal
Generic
free delivery
Flooyes Starter Rock Tumbler
Flooyes
free delivery
Blue Marble NATIONAL GEOGRAPHIC Break Open 15 Premium Geodes - with Goggles, Detailed Learning Guide, 3 Display Stands, Great Stem Science Toy & Educational Kit
Blue Marble
free delivery
Rock Tumbler Machine, Electric Stone Polishing Kit with Partition Cover & Glue Polishing Barrel, 5 Day Timer Buttons, Hide Wheel, for DIY Crystals and Gemstones
Generic
free delivery
MJR Tumblers Dual Barrel Rock Tumbler Kit 20lb Capacity, Heavy Duty Rock Polisher Machine with Grit, Professional Stone Polishing Kit for Adults, 2 Barrel Tumbler, Steel Frame, Quiet Motor
TRIPLE BARREL SYSTEM FOR HIGH CAPACITY POLISHING: Designed for serious rock tumbling, this system features two 10lb barrels for a total 20lb capacity. Run multiple batches at once or separate polishing stages simultaneously, increasing efficiency and saving time on larger projects.
free delivery
NATIONAL GEOGRAPHIC Air Rocket Launcher Toy – LED Foam Rocket Launcher Science Kit for Kids, Jump and Launch Kid-Powered Foam Air Rockets up to 30.5 Meters, Kids Outdoor Activities, STEM Toys
Blue Marble
free delivery
Leegol Electric 6LB Rock Tumbler Kit – Double Drum Rock Polisher for Kids & Adults
Leegol Electric
Electric Rock Tumbler Machine for Gemstones - Professional Kit with Leakproof Barrel and Silent Operation for Polishing Crystals, Stones, Glass, and Metal
Leakproof Design: The rock tumbler features a dual stainless steel top cover that effectively prevents any leakage during the polishing process. Its compact and secure construction requires a screwdriver for access, ensuring safe and reliable use for everyone.
free delivery
NATIONAL GEOGRAPHIC Hobby Rock Tumbler Kit
National Geographic
NATIONAL GEOGRAPHIC Rock Collection Kit for Kids – 300+ Piece Crystals and Gemstones Set Includes Geodes, Rocks and Minerals Science Kit for Kids, A Geology Gift for Boys and Girls
Blue Marble
free delivery
KoolStone Large Capacity Rock Tumbler Barrel, Durable Rubber Material, 3.5 LBS Replacement Barrel with Dual Leak-Proof Design, Compatible C1 Pro Ultra Rock Tumbler
KoolStone
free delivery
NATIONAL GEOGRAPHIC Crystal Growing Kit - 3 Vibrant Coloured Crystals to Grow with Light-Up Display Stand & Guidebook, Includes 3 Real Gemstone Specimens Including A Geode & Green Fluorite
Blue Marble
free delivery
NATIONAL GEOGRAPHIC Break Open 5 Jumbo Geodes - Earth Science Kit with 5 Premium, 8-10 cm Geodes with Crystals, Goggles, Learning Guide & Display Stands, Science Gifts, Fun Stuff for Kids
Blue Marble
free delivery
Large 10LB Rock Tumbler Grit and Polish Refill Kit - Polish Up to 70 LBS of Rocks, Dual Tumbling Media (Ceramic & Plastic Pellet), Ideal for National Geographic, Komestone, Koolstone and Other Tumbler
AtoRock
KoolStone Replacement Rock Tumbler Base with Memory Function, Compatible C1 Pro Rock Tumbler
KoolStone
NATIONAL GEOGRAPHIC Mega Crystal Growing Kit for Kids- Grow 6 Crystals with Light-Up Stand, Science Gifts for Kids 8-12, Crystal Making Experiment, Science Kit for Girls and Boys
Blue Marble
£ 57.15
free delivery
National Geographic Break Open 15 Premium Geodes Science Kit for Kids | 15 Premium Geodes, Safety Goggles, Real Crystals Inside, Break Your Own Geodes, Earth Science Activity, Geology Kit
Blue Marble
free delivery
KoolStone Rock Tumbler 8000 Polishing Grits, Step 5 Grit - Premium Polishing Refill for Final Shine & Smoothing, 1 Lb Tumbler Media for Enhanced Rock Luster
KoolStone
National Geographic Professional Rock Tumbler Kit - Ultra Quiet Rock Tumbler Science Kit with Large 2 lb. Barrel, 1 lb. Rough Gemstones, Polishing Grit, GemFoam Polisher, Jewelry Settings & Much More
PROFESSIONAL TUMBLING - With its large 2-pound barrel, three selectable speeds; and timer with settings for days and hours, the Ultimate Tumbler delivers spectacular results with unparalleled ease of use!
free delivery
KoolStone C1 Rock Tumbler Kit - Professional Large 2.5LB Capacity, Up to 5X More Noise Cancelling, Adjustable Timer & Speed with Full Accessories & Memory Function
KoolStone
Electric Rock Tumbler Machine, Gemstones Polisher with 7 Day Timer Buttons, Buttons Gem Grinder, Detachable Rock Polisher Kit, DIY Stone Polisher for Geology Mineral Metal Crystals
【Turn Rough Stones into Stunning Gems】: Transform ordinary rocks into glossy, professional-quality gemstones with this easy-to-use tumbler! Perfect for geology enthusiasts, kids, and hobbyists.
free delivery
Rock Tumbler Polisher Kit, Starter Rock Tumbling Kit, Electric Rock Tumbler Machine, Gemstones Polisher Rotary Rock Tumbler Leakproof Rubber Barrel for Crystals, Stone, Glass, Metal
Transform Ordinary Rocks into Stunning Gemstones: With our Rock Tumbler Polisher Kit, you can effortlessly enhance the beauty of dull rocks. This Starter Rock Tumbling Kit is equipped with a powerful motor that turns ordinary stones into brilliant gemstones, allowing you to showcase your creativity.
free delivery
Rotary Rock Tumbler Electric Machine for Kids & Adults, Leakproof Rubber Barrel, Durable Low Noise Motor, One-Touch Settings for Shiny Finish, Cool Educational Toy
Generic
free delivery
Electric Rock Tumbler for Gemstones Polishing, Rotary Machine with Noise Reduction Cover, Includes Polishing Grits and Jewelry Fastenings, Ideal for Geology Enthusiasts and Kids
Transform ordinary rocks into glossy, professional-quality gemstones with this easy-to-use tumbler, perfect for geology enthusiasts, kids, and hobbyists. It polishes minerals, metals, and crystals through a simple tumbling process, requiring no expertise.
free delivery
AtoRock Replacement Base for Rock Tumbler with Brushless Motor, Smart Controls & 3 Speeds + 9-Day Timer - Compatiable A1Pro
Long-Term Reliable Performance: Designed specifically for the Atorock A1 Pro rock tumbler. Built for heavy-duty, long-term use, this replacement base ensures your A1 Pro tumbler continues to run smoothly and efficiently for years of polishing projects.
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MJR Tumblers 25 LB Rock Tumbler Awarded Best High End, Most Versatile Run 19 Dif Barrel Combinations
Heavy duty 16 gauge welded steel frame, powder coated to be scratch and corrosion resistant
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C1 Pro Ultra Brushless Rock Tumbler Kit - Double Barrel for Large 7LB Capacity, 6X More Noise Cancelling, Quiet Rotary Polisher with Full Accessories, Perfect Gift for All Age
The FIRST and ONLY rock tumbler with a double barrel & brushless motor — exclusively from KoolStone. Enjoy a better tumbling experience with our official bonus: get an extra bag of rough stones or belts (worth $30) on us. Contact KoolStone to claim your original gift.
![KoolStone Rock Tumbler Grit Kit [6 Pounds], Polish Up to [40 lbs.] of Rocks, 4 Steps Polish Refill Media Kit, Compatible with Any Tumbler](https://cdn.dealcheck.org/productimages/V/Y/9/B0CR6BP9YV.jpg)
