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 a half-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. Rock tumbling is a fun activity for children of all ages and promotes an interest in geology and science. Introduce your kid to science the fun way! Join National Geographic as we inspire future generations by showing them the wonders of the natural world.

High-quality tumbling machine with powerful motor that will last for years
Automatic shutoff timer so you can set it and forget it
Noise reducing leak-proof barrel with stainless steel lid
Half pound of gemstones from around the world (9 types) and four grades of grit
Jewelry fastenings so you can create your own unique jewelry
Full-colour information guide with cool facts about each of the gemstones included
Easy-to-follow rock tumbling instructions