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
Blue Marble
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9,9
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2
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
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9,8
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3
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
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9,7
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4
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
14% off
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9,7
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5
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
17% off
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9,7
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6
MJR Tumblers 12 LB Rock Tumbler Awarded Best High End, Most Versatile Run 4 Dif Barrel Combinations
MJR Tumblers
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9,7
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7
6LBS Rock Tumbler with Double Transparent Drums Great for Seperate Polishing Tasks
Generic
19% off
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9,6
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8
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
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9,5
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9
Electric Rock Tumbler Kit, Rotating Stone Polishing Machine with Speed Adjustable, Professional High Speed Single Barrel Rock Tumbler for Jewelry Jade, Metal and Sea Glass
SUPEVA
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9,4
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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
Blue Marble
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9,4
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You might also be interested in these rock tumbler for sea glass.
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
£ 34.68
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MJR Tumblers Single Barrel Rock Tumbler - Rock Polisher Machine, Tumbling Equipment for Stone, Glass, and Metal Collection, Polishing Tool for Adults & Kids, 40 lb
START YOUR TUMBLING JOURNEY: Make any stone sparkle and polish everyday rocks into dazzling gemstones! MJR Tumblers kit makes it fun and easy to turn rough rocks into beautifully polished gemstones, then you will be very excited to see the stones change with each cycle. That's a fun process of rock tumbling and a family little project for the parent-child endeavor. Let's create your own gems now!
£ 614.96
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Electric Rock Tumbler Kit - High Speed Rotating Stone Polishing Machine with Adjustable Speed for Jewelry, Jade, Metal, and Sea Glass
Generic
£ 119.99
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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
Blue Marble
£ 49.99
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MJR Tumblers 1/2 Gallon Rock Tumbler Barrel - Barrel for Tumbling, Rock Polisher Tool, 10 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.
£ 102.60
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Rock Tumbler Kit with Vibratory Bowl - 8inch Electric Tumbling Polishing Machine for Convenient Operation
Generic
£ 225.99
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luximi RT03
EASY TO USE With the LCD screen, you can easily control and adjust the polishing speed (3-Speed), timer (Auto On & Off), and day (9-Day). You can customize the gemstone based on real-time results and your personal preferences.
£ 74.69
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NSI Rock Tumbler Refill Classic, multi/none
Includes Amethyst, Jasper, Agates and others
£ 25.28
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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
£ 153.05
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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
£ 42.99
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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
£ 32.99
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HopeRock Ultra Quiet Rock Tumbler Kit, Rock Polisher with Noise Reduction Cover for Kids, Adults & Rock Collector, 3-Speed Motor & 9-Day Timer, Great STEM Science Kit Gift for Age 8+, Boys Girls Toys
[Soundproof Enclosure for Quiet Operation]: 2025 NEW UPGRADE & ADVANCED FEATURES! Our rock tumbler kit features a state-of-the-art soundproof enclosure that significantly 75% quieter than other models during the tumbling process. An ideal choice for indoor use, or for those who prefer a quieter environment. Unlike other tumblers that can be disruptive with their noise, ours allows you to enjoy the hobby without causing a disturbance! Also an excellent STEM toys for kids ages 8-13.
£ 152.96
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Which.One Highlight
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
