NIB! National Geographic Rock Tumbler Science Set for Child or Teen Ages

New in box! The National Geographic Hobby Rock Tumbler science set is a complete rock polishing kit that allows your child to turn rough rocks into gemstones. Tumbler kit by National Geographic includes one pound of rough gemstones, eight packets of polishing grit, a storage pouch, and five jewelry fastenings. The tumbler base and motor are built to last, and the tumbler barrel is designed to be low noise and leak proof. It has a built-in timer and automatic shut off switch too. Now your kids can create beautiful keepsakes from your favorite specimens.