Rock tumbling is a great hobby for children and adults alike. Opening the tumbler when the cycle is completed is almost like discovering treasure; you don’t know what you’ll get or how colorful the ...

In order to turn a rough semiprecious stone into a beautiful piece of art, there are generally two options. You could wait a few hundred or even thousands of years for water and sand to polish the ...

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.

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 ...