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.

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 The best rock tumblers make your rocks look ...

We considered nearly 30 tumblers, including popular and lesser-known brands. After testing for temperature retention, good lid design, ease of cleaning, and more, we narrowed the list to the best ...

Learn more › If you’re interested in increasing your daily hydration without making frequent trips to the kitchen, your best bet is an insulated tumbler. These vessels, which typically range ...

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We will share five great resins to use in making the best epoxy tumblers ... grade option with a crystal clear finish that you will not find on other brands. In addition, the epoxy has a rock ...

That’s why having a sharpener, like the Tumbler Knife Sharpener, is so valuable. It can make sharpening your cooking knives at home safe, easy and approachable, especially if you’re not ...

The best-selling Owala Stainless Steel Tumbler is almost 20% off leading up to Amazon Prime Day. You can get it discounted for a limited time. The viral tumbler is “durable, leakproof ...

Getty Images Forget a purse, just use your water bottle. Stanley tumblers are all the rage, and all the coolest people you know probably have at least one — but has the trend gone too far?