NATIONAL GEOGRAPHIC Rock Tumbler Refill Kit - Jasper Mix of 8 varieties including Mookaite and Kabamba - Comes with 4 grades of Grit, Jewelry Fastenings and detailed Learning Guide JASPER of nine varieties: Mookaite, Kabamba, zebra, picture, red, Dalmatian, green zebra, Polychrome, yellow. (1lb in total) Four grades of grit: coarse, medium, fine, polish. Transform your stones from rough rocks to dazzling gemstones! Jewelry fastenings: 1 necklace, 1 set of earrings, 1 Keychain, 1 ring. Create custom jewelry from your newly polished gemstones! Learning guide: our learning guide will teach you all about these unique jasper specimens and includes many amazing and fascinating facts RESPECTED quality - National Geographic is proud to provide only the highest quality toys and all our kits are backed by our 100% satisfaction