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