PROFESSIONAL TUMBLING: The Ultimate Tumbler delivers spectacular results with unparalleled ease of use! With its large 2-pound barrel, three selectable speeds, and a timer with settings for days and hours.

QUIETEST TUMBLER: The Ultimate Rock Tumbler’s all-new design includes a sound-dampening cover that makes tumbling quieter than ever, perfect for enthusiasts who tumble indoors or in smaller or shared spaces.

ALL-IN-ONE TUMBLING KIT: This kit has everything you need to get started, including 1 pound of rough rocks, 4 bags of grit, 5 jewelry fastenings, a newly designed strainer, and our exclusive GemFoam rock polisher for a brilliant finish!

USE GEMFOAM FOR DAZZLING RESULTS: Your tumbled rocks will have an incredible shine thanks to our reusable GemFoam rock polisher. Just add GemFoam and water to the barrel after your final tumbling stage for a brilliant finish!

HIGH-QUALITY EDUCATIONAL TOYS: We proudly make the highest quality hands-on science toys, and all our products are backed by exceptional service. If your experience isn’t stellar, we’ll make it right!