The KALEIDOCYCLE consists of six tetrahedrons, each of which has four equilateral triangles. It is playable with one hand. Ideal toy for endless moments of fun for young children, teenagers, and adults. Ideal for girls, boys, women, and men. It is pocket-sized, so you can take it with you to school or the office. With its beautiful colors and geometric style, it is fun to play with and perform many tricks.