National Geographic Rock Tumbler Science Set for Child or Teen Ages 8 Years and up

The National Geographic Hobby Rock Tumbler Kit is a complete rock polishing kit that allows your child or teen to turn rough rocks into gemstones. making it a perfect introduction to Geology & Earth Sciences. 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.

• CREATE YOUR OWN GEMSTONES – Rock tumbling is a hugely popular hobby for kids and adults! This starter rock tumbler creates it fun and simple to turn rough rocks into beautifully polished gemstones in 3-4 weeks. thanks to its simple operation and durable design.
• A TUMBLER THAT’S MADE TO LAST – The durable motor allows you to tumble multiple batches of rocks. An improved. leak-proof barrel is lined with rubber for quieter operation while tumbling on the sturdy tumbler base.
• EASY TO USE AND EDUCATIONAL – Detailed tumbler instructions lead you step-by-step through the rock tumbling process. A full-color learning guide details how rocks are naturally polished and has fascinating facts about the gemstones in the kit.
• National Geographic STEM series provides kids high-quality educational toys that are a whole lot of fun. 
• Our simple-to-follow instructions lead you step-by-step through each activity. There are also safety glasses. gloves. and an simple-clean experiment tray included.