top of page

Create beautifully polished gemstones by tumbling the 9 varieties of raw stones in your National Geographic rock tumbler.

Includes 1lb (453g) to keep you tumbling for weeks and weeks. Refill pack includes a full-colour learning guide with cool facts about the gemstones, easy to follow rock tumbling instructions, grit refills and additional jewellery fastenings.

Choose from Agate mix or Jasper mix

Refill kit

    bottom of page