No products in the cart.
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 10.75 x 8 x 9.25 Kit includes tumbler four polishing grits sifter learning guide PLUS nine types of real rough gemstones Full – color information guide with cool facts about each of the gemstones included Automatic shutoff timer so you can set it and forget it