National Geographic Rock Tumbler Refill Kit 453 g Gemstones and Rocks for Tumbling including Unpolished Amethyst Quartz Supplies include Grit & Jewellery Accessories

GEMSTONES OF NINE VARIETIES - Tiger’s Eye, Amethyst, Aventurine, Rose Quartz, Red Jasper, Agate, Sodalite, Dalmatian Jasper, Hematite (453 grams in total). FOUR GRADES OF GRIT - Coarse, Medium, Fine, Polish. Transform your stones from rough rocks to dazzling gemstones. JEWELLERY FASTENINGS - 1 Necklace, 1 set of Earrings, 1 Keychain, 1 Ring. Create custom jewellery from your newly polished gemstones. LEARNING GUIDE - Our full-colour learning guide will teach you all about these unique gemstone specimens and includes many amazing and fascinating facts. SATISFACTION GUARANTEED – The National Geographic STEM series provides kids high-quality educational toys that are a whole lot of fun! If your experience is anything less than extraordinary, let us know so we can make it right for you., Manufacturer: JMW Sales, Inc.