Rock Tumbler Refill – Rough Gemstones of Nine Varieties (1lb)

Características:

• PREMIUM GEM ASSORTMENT – One pound of raw gemstones: Tiger’s Eye, Amethyst, Aventurine, Rose Quartz, Red Jasper, Agate, Sodalite, Dalmatian Jasper, Hematite

• POLISHING GRIT – Four stages of grit: coarse, medium, fine, polish. The perfect medium to turn your “stones” into “gemstones”!

• MAKE YOUR OWN JEWELRY - We've included jewelry fastenings (2 necklaces, 2 earrings, keychain, and ring) so you can design your own custom jewelry

• LEARN ABOUT GEMSTONES: Discover with Dr. Cool's adventure guide is written by teachers and will teach you many amazing facts about these 9 incredible gemstones

• 100% SATISFACTION GUARANTEE - Join the millions of parents who have chosen our award-winning science toys and experience the Discover with Dr. Cool difference!