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 ...

Rock hunting and tumbling is a great activity for kids, adults and kids and adults together. I am glad I chose the Central ...

In addition, the epoxy has a rock-hard finish that ... to decorate your favorite epoxy tumbler, follow the following steps. Epoxy resin is a perfect medium to work with and perhaps even better ...

The Tumbler Knife Sharpener is only available in a medium brown beech wood; if you want more wood options, consider the Horl Rolling Knife Sharpener ($189), which resembles the Tumbler in the ...

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 ...

However, paint jobs can often be brought close to an as-new appearance by cutting, polishing, and waxing. This is a process of deep cleaning the paint, buffing out minor imperfections like hard ...

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?

Today, Stanley released its Barbie Dream Collection, an eight-tumbler set that is every Barbie fan’s dream. The collection celebrates 65 wonderful years of Barbie. Stanley has been teasing about ...

This tumbler features bright, retro graphics. Get ready to rock and also stay hydrated with this one. The Peaches ‘N Cream tumbler has a peach blossom pattern, which shadows the floral ...