Geek Daily Deals Jan. 29, 2018: Get a NatGeo Rock Tumbler for Science and Crafting; Mug Warmer for $7

Geek Daily Deals on the National Geographic rock tumbler, for science and crafting fun; get a coffee/tea desktop mug warmer for just $7.

NATIONAL GEOGRAPHIC Hobby Rock Tumbler Kit:

Now this is a very cool tool for kids or adults who want to learn a little science, and maybe start their own crafting business making cool jewelry from found rocks.

MAKE ANY STONE SPARKLE and polish everyday rocks into dazzling gemstones
ENHANCE YOUR ROCK COLLECTION or start a new one! Makes all rocks shine like professionally polished stones
EVERYTHING IS INCLUDED in the kit; tumbler, four polishing grits, sifter, learning guide PLUS nine types of real rough gemstones
EASY TO USE with our simple instructions, one-touch settings and an automatic shutoff timer
100% SATISFACTION GUARANTEED – For 129 years, National Geographic has been committed to providing fun and fascinating educational opportunities for children and stands behind this Rock Tumbler with a two-year warranty.Material: plastic, rubber

Get the full kit with materials today for just $52!

Mr. Coffee Mug Warmer for Office/Home Use:

You have a couple of options for when it comes to trying to keep your hot beverage hot through the day. You can carry around one of those massive insulated tumblers, or you can keep microwaving your favorite mug. But what if there was a third way? How about a handy powered heating pad that you just keep on your desktop?