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NATIONAL GEOGRAPHIC Rock Tumbling Kit - 3LB Extra Large Capacity, 3LB Rough Gemstones, 4 Polishing Grits, Jewelry Fastenings, an Educational STEM Science Kit
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Starter Rock Tumbler Kit for Kids– Includes Rough Gemstones, Polishing Grits, Jewelry Fastenings, and Instructions – Great STEM Science Kit for The Future Geologist, Boys and Girls Ages 8+ - Walmart.com
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NATIONAL GEOGRAPHIC Rock Tumbler Refill 1 Lb. Mix of Genuine Petrified Wood Fossils for Rock Polishers, Includes 5 Jewelry Fastenings & Rock Polishing Grit, Works with All Rock Tumblers - Walmart.com
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Amazon.com: NATIONAL GEOGRAPHIC Hobby Rock Tumbler Kit - Includes Rough Gemstones, 4 Polishing Grits, Jewelry Fastenings, Learning Guide, Great Stem Science Kit : Toys & Games
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