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NATIONAL GEOGRAPHIC Rock Tumbler Refill Kit - 1 Lb. Mix of Genuine Petrified Wood Fossils, Rock Tumbler Grit and Jewelry Accessories, For All Ages - Walmart.com
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NATIONAL GEOGRAPHIC Hobby Rock Tumbler Kit- with 1 lb of Rough Gemstones, 4 Polishing Grits, Jewelry Fastenings and Detailed Guide- Educational Stem Toy - Walmart.com
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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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Amazon.com: NATIONAL GEOGRAPHIC Rock Tumbler Kit – Hobby Edition Includes Rough Gemstones, and 4 Polishing Grits, Great STEM Science Kit for Geology Enthusiasts, Rock Polisher for Kids and Adults : Toys & Games
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