Collected some rocks to try tumbling for the first time : r/rockhounds
Kreigh's Homemade Lapidary Equipment
April 2016 – Page 2 – TumbleStone
The National Geographic Hobby Rock Tumbler Kit is a complete rock polishing kit that allows your kid to turn rough rocks into gemstones. Tumbler kit by National Geographic includes one pound of rough gemstones, eight packets of polishing grit, a storage pouch, and five jewelry fastenings. The tumbler base and motor are built to last and the tumbler barrel is designed to be low noise and leak proof. It has a built in timer and automatic shut off switch too.
National Geographic Explorer Rock Tumbler
Kreigh's Homemade Lapidary Equipment
Collected Information on Rock Tumbling
Best Rocks for Tumbling: Why Some Work & Others Don't – Rockhound Resource
Rock Tumbling 101: Beginner's Guide to Polish Rocks - AB Crafty
Collected some rocks to try tumbling for the first time : r/rockhounds
Rock Tumbling for Outdoor Families - Tales of a Mountain Mama