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NATIONAL GEOGRAPHIC Hobby Rock Tumbler Kit - Rock Polisher for Kids & Adults, Durable Noise-Reduced Barrel, Rocks, Grit & New GemFoam for a Shiny Finish, Cool Toys, Great STEM Hobby Kit
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CREATE YOUR OWN GEMSTONES - Rock tumbling is a hugely popular hobby for kids and adults! This starter rock tumbler makes it fun and easy to turn rough
NATIONAL GEOGRAPHIC Starter Rock Tumbler Kit - Durable Leak-Proof Rock Polisher for Kids - Complete Rock Tumbling Kit - Geology Hobby Science Kit
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The National Geographic Hobby Rock Tumbler Kit is a complete rock polishing kit that allows your child or teen to turn rough rocks into gemstones.
National Geographic Rock Tumbler Science Set for Child or Teen Ages 8 Years and up
NATIONAL GEOGRAPHIC Hobby Rock Tumbler Kit – Includes Rough Gemstones, 4 Polishing Grits, Jewelry Fastenings, Learning Guide, Great Stem Science Kit –
Everything You Need to Know About Geology (The Study of Rocks)
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