NATIONAL GEOGRAPHIC Rock Tumbler Refill – 453g Mix of Rough Gemstone Rocks for Rock Polishers, Includes 5 Jewellery Fastenings and Rock Polishing Grit, Works with All Rock Tumblers

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  • JEWELLERY FASTENINGS - 1 Necklace, 1 set of Earrings, 1 Keychain, 1 Ring. Create custom jewellery from your newly polished gemstones.
  • FOUR GRADES OF GRIT - Coarse, Medium, Fine, Polish. Transform your stones from rough rocks to dazzling 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.

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