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 ...

If you’re reading Hackaday, there’s a good chance you had a rock tumbler in your younger days ... Pulsing the electromagnet pulls down the large 3D printed spring, which imparts not only ...

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 ...

While Yeti’s Tundra coolers are at the top of their class for insulation and durability, their heavy weight can be a ...

Another reason to love Hydroflask? You have the option to customize the color of your tumbler for $5 extra, picking different options for the cup, lid and reusable straw. For an even more ...

When you enjoy making art with top-tier epoxy resin, you understand its importance in decorating your tumblers ... and you can keep adding an extra epoxy layer until you are satisfied.

Amazon's October Prime Day sale is finally here and the deals are coming in full force. Score great bargains on TVs, laptops, ...

The newest aspirational family car has a 24-inch panoramic screen, hands-free driving, the Navigator's split tailgate, and a ...

These hidden gems are available at deep discounts, scoring you big savings on everything from home and kitchen to tech and ...

Are October Prime Day Deals as good as Black Friday? Although Black Friday is still the overall best time to buy just about ...