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Great way to start a rock collection!Learn about the exciting hobby of rock tumbling with National Geographic. This set includes all the accessories you’ll need to start polishing dazzling gems. Rock tumbling is tons of fun and a great way to start an extraordinary rock collection. Kids can use the included jewelry fastening to create beautiful homemade jewelry! This expansive set contains a heavy-duty tumbling machine and rubber tumbler barrel. A programmable timer ensures you get the perfect tumble time!You also get 1 pound of rough rocks to tumble, 5 jewelry settings, tumbling grit, and a detailed learning guide with instructions.Learn all about the fascinating way rocks are polished in nature, how gemstones are used in jewelry and much more in our full-colour learning guide.
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