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.

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.

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.

Learn how to polish rocks at home with a rock tumbler, the fun and popular hobby of transforming rough rocks into beautiful gemstones. If you make a purchase using any affiliate link below ...

The biggest stories of the day delivered to your inbox.

Did you ever go through a rock-collecting phase when you were a kid? I totally did. My parents got me a beginner-level tumbler so I could polish the random rocks I'd find in the backyard ...