I used rock tumblers to make sea glass. Tumbling glass in a rock tumbler allows you to make your own sea glass in just 3-5 days. Supreme Court blocks order for Trump to release $2B in foreign aid ...

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.

This professional rock tumbler makes it fun and easy to turn rough rocks into beautifully polished gemstones, thanks to its simple operation and durable design. A TUMBLER THAT'S MADE TO LAST - The ...