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
5% off
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9,9
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2
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
22% off
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9,8
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3
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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4
KomeStone K4 Quiet Rock Tumbler Kit for Adults, 7LB Large Double-Barrel | Professional Brushless Polisher with Noise-Reducing Cover, Complete Kit, STEM Gift For All Ages
KomeStone
24% off
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9,6
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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
15% off
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9,6
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6
Polly Plastics Rock Tumbler Tumbling Media Grit Kit & Plastic Filler in Heavy Duty Resealable Bags
Polly Plastics
free shipping
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9,4
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7
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
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9,4
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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
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9,4
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MJR Tumblers Refill Grit Kit for 50 LB Rock Tumblers Silicon Carbide Aluminum Oxide Media Polish
MJR Tumblers
3% off
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Discover with Dr. Cool Replacement Rock Tumbler Barrel for National Geographic Professional Series - 2Lb
Discover with Dr. Cool
7% off
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NATIONAL GEOGRAPHIC Rock Tumbler Grit - 1.49kg Polishing Grit Media for Any Rock Tumbler, Rock & Stone Polisher, Polishes 3.63 - 4.54kg of Rocks
