We've ranked the best rock tumblers for beginners, kids, adults and professionals who love geology and are on the hunt for sea glass, agates and more When you purchase through links on our site, we ...

If you’re reading Hackaday, there’s a good chance you had a rock tumbler in your younger days. Hell, we’d put odds on a few of you having one rumbling away in the background as you read this. They’re ...

Target and Amazon are offering up to $65 off these professional & hobby rock tumblers in their Black Friday sales. When you purchase through links on our site, we may earn an affiliate commission.