Ceramic tumbler media makes the entire rock tumbling process more effective, improving delivery of rock tumbling grit, These rock tumbler ceramic pellets are safe to use with any rock tumbler.

reusable GemFoam rock polisher! Add GemFoam and water to the barrel after your final tumbling stage and your gems will have incredible shine! HIGH-QUALITY EDUCATIONAL TOYS - We're proud to make ...

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.

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.