Blue Marble NGJASPERREFILL National Geographic Rock Tumbler Refill Kit

Explore the beauty of eight jasper varieties—including Mookaite, Kabamba, Zebra, and more—with this Rock Tumbler Refill Kit. Use four grades of grit to polish your stones from rough to radiant gemstones. Then, craft personalized jewelry with included necklace, earrings, keychain, and ring fastenings. A detailed learning guide shares fascinating facts about each jasper type, making this kit a fun and educational way to turn nature’s treasures into wearable art.