A fidget and a puzzle - all in one! Twist and turn the two-toned pieces until one side is all white and the other blue. A unique brainteaser that provides hours of fun.
This device is both a fidget and a puzzle – and there’s no loose pieces! Created by famous puzzle inventor Oskar van Deventer and computer programmer Bram Cohen, this easy-to learn puzzle game helps relieve stress and energize the mind while offering a challenging brainteaser. Twist and turn the 3-D puzzle until one side is all blue, and the other all white, then mix it up and try it again. This unique game can offer hours of fun.