Magic Toy Game 3D Snake Cube Puzzle Transforms into make shapes For kids to develop their brain and logic. It not original Rubik's product, it a puzzle in the form of a snake. Large Size: 3.5 x 2.5 x 1.0 inches. Small Size: 2.0 x 1.5 x 0.5 inches For adults to release pressure after work. Great buy for teachers, homes, and waiting rooms, ets