National Geographic® Hobby Rock Tumbler

• Learn all about the fascinating way rocks are polished in nature, how gemstones are used in jewelry and much more in our full-color learning guide.
• High-quality tumbling machine with powerful motor that will last for years!
• 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.

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! This expansive set contains a heavy-duty tumbling machine and rubber tumbler barrel. A programmable timer ensures you get the perfect tumble time!

Contents: 1 Heavy duty tumbling machine, Built in programmable timer, 1 Pound capacity rubber barrel to reduce noise, 2 Bags assorted gems, 8 Bags polishing grit, 1 Rock strainer, 5 Jewelry settings, 1 Storage pounch, 1 Tumbling guide