National Geographic Rough Gemstones Refill Pack for Rock Tumblers

National Geographic Rough Gemstones Refill Pack for Rock Tumblers

14.99

8+

Tumble even more amazing stones from around the world with this refill pack. Comes with 1 pound of 9 assorted stones and 4 bags of polishing grit.

  • AMAZING ROUGH GEMSTONES—Try both our jasper variety and our 9 gemstone variety sets.

  • 4 GRADES OF GRIT—Use coarse, medium, fine, and polishing grit like a real professional.

  • CREATE CUSTOM JEWELRY—Includes fastenings for 1 necklace, 1 set of earrings, 1 keychain, 1 ring. 

  • FULL-COLOR LEARNING GUIDE—Our teacher-authored guide tells you all about these unique gemstones. 

  • 100% SATISFACTION GUARANTEED

Buy On Amazon

Add To Cart

Product Images