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 ...

These days, the hottest style accessory is not the "it" bag of the season or a new pair of shoes; it’s the water bottle you ...

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 ...

Promotions are subject to availability and retailer terms. Stanley Quenchers, the giant, 40-ounce tumblers that you've seen everywhere, are worth their hefty $45 price tag, if you ask us.

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 ...

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 ...

Ever since Stanley water bottles took over social media, retailers have struggled to keep the brand's tumblers and water bottles in stock. Limited-edition Stanley cups, like the recent Stanley x ...