National Geographic, the leader in professional rock tumblers, is proud to introduce the Platinum Series Ultimate Rock Tumbler Kit, our quietest, most robust and feature-filled tumbler yet!

The Ultimate Rock Tumbler set is a revolution in rock tumbling, with a host of professional rock tumbler features designed to make tumbling fun, easy, and much quieter than before, including an all-new, ultra-quiet design; sleek, professional exterior styling; a large, water-tight, 2-lb. barrel assembly; easy-set timer with day/hour settings; and variable tumbling speeds.

The Ultimate Rock Tumbler is our quietest model yet, and along with an all-new, sleek exterior, its perfect for indoor tumbling, especially in smaller and shared spaces. The redesigned easy-set timer has settings for hours and days, and with three tumbling speeds, precise tumbling couldnt be easier.

The Ultimate Tumbler includes everything you need to start creating your own gorgeous gemstones as soon as you open the box. Along with 1 lb. of rough rocks, you get 4 bags of polishing grit, a newly-designed strainer, and our patented GemFoam polisher that adds a stunning sheen to your finished gems. Also included are 5 jewelry settings to turn your gems into wearable treasures.

The Ultimate Tumbler STEM science kit from National Geographic is the perfect way to encourage a love of geology and inspire kids and adults alike with the Earths natural beauty! Order today!

We make the highest quality hands-on science toys, and all products are backed by exceptional service. With a mission to inspire people to care about the planet, the National Geographic Society is one of the world’s largest nonprofit scientific and educational organizations.