NG Rock Tumbler Kit

Turn rough rocks into polished gemstones! This S.T.E.M. inspired rock tumbler kit from National Geographic incldes a high-quality tumbling machine, leak-proof tumbling barrel, bag of rough gemstones, 4 bags of polishing grits, rock strainer, 5 jewelry settings and a learning guide with instructions.

Please Note: This is an electric toy not recommended for children under 8 years of age.

More National Geographic Science kits also available.