Posted in Tool Hacks Tagged dirt cheap, lapidary, parts tumbler, rock tumbler, tumbler. Homemade Ball Mill Tumbles Along Like A Champ. March 18, 2014 by Kristina Panos 24 Comments ...

COMPLETE ROCK TUMBLER KIT –Rock tumbler for adults, Includes rock stone tumbler base, Replacement tumbler belt(5pc), 6-pound capacity barrel for grinding more Stones,2 bag assorted gems 2Lb(920g ...

National Geographic Professional Rock Tumbler - Was $99.99, now $85.39 at Amazon. Save $15 on this STEM hobby kit, which includes everything you need to make your own gemstones.