National Geographic Rock Tumbler Refill Pack – Jasper Mix

What you get is one pound of rock featuring eight varieties of jasper including mookaite, kabamba, zebra, picture, red, dalmatian, polychrome, and yellow.

Plus, it also comes with four grades of grit to use – coarse, medium, fine, and polish – as well as jewelry fastenings and a learning guide for learning all about these amazing and colorful rocks.

Feed your love of geology with the National Geographic Rock Tumbler Jasper Mix Refill Pack!

National Geographic Rock Tumbler Refill Pack – Jasper Mix