National Geographic Rock Tumbler Explorer Series

Curious adventurers will love transforming rocks into stunning gemstones using the National Geographic Explorer Series Rock Tumbler Starter Kit. This easy-to-use kit also includes jewelry fastenings to turn your creations into wearable accessories.
Suitable for ages 9 years and up
Tumbler starter kit helps you transform rough rocks into gemstones and jewelry
Full-color learning guide details how rocks are naturally polished and includes facts about gemstones

Includes:
High quality tumbler
Leak-proof tumbling barrel
0.5 lb. of rough rocks
4 bags of tumbling grit
5 jewelry fastenings
Learning guide with instructions