Agates from around the world – 1 lb. Of rough Agate rocks are sourced from around the world. Colors and sizes will vary between refill kits.
Four grades of grit – Coarse, medium, fine, polish. Transform your raw stones from rough rocks to dazzling gemstones! This refill kit also works with all rock tumblers.
Jewelry fastenings – Additional rock tumbler accessories include 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 agates and includes many amazing and fascinating facts
Respected quality – NATIONAL GEOGRAPHIC is proud to provide only the highest quality STEM toys and all our kits are backed by our 100% satisfaction.