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.
Shipping charges are based upon final weight. All orders are shipped via USPS or UPS. Please allow 7–10 business days for delivery.
Share in the excitement of discovery! This collection is inspired by the Gilder Center’s spectacular architecture, designed to spark curiosity.