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 ...

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 ...

Check out these fantastic deals on rock tumblers at Amazon while they last. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Rock tumbling can be ...

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 ...

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 ...

While the words “instant gratification” and “rock tumbling” may not fit in the same sentence, the hobby of rock collecting and polishing is still very satisfying. What begins as raw, unrefined rocks ...