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
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9,9
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2
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
National Geographic
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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
Discover with Dr. Cool Replacement Rock Tumbler Barrel for National Geographic Professional Series - 2Lb
Discover with Dr. Cool
7% off
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9,7
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5
10 lb Rock Tumbler, Awarded Best HIGH END Tumbler for 2019, Made in The USA
MJR Tumblers
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9,6
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6
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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9,6
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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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9,6
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8
7.5LB Rock Tumbler Grit and Polish Refill Set, 4-Step Professional Polish Rock Tumbler Grit to Unlock Stunning Polished Stones. Ideal for National Geographic, KomeStone, and Other Polishers & Tumblers
LARICEO
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9,6
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9
Leegol Electric Replacement 3lb Barrel for Rock Tumbler
Leegol Electric
free shipping
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9,5
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10
Thumler's Tumbler Rock Polisher
Thumler's Tumbler
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9,5
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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
