Light Music, Variety, Rubik's Cube, Electronic Game Machine, Educational ToysMaterial: plastic plastic Specifications: 25. 1*20. 9*6CM How to use: After booting, flip on either side, all four blocks in the middle light up, flip to select, slide to confirm mode to enter the game. Green: speed mode Blue: mode Yellow: Memory mode Red: Multiplayer mode White: sound mode, high, medium and low silent four speed volume adjustment Four models Speed mode: The squares on both sides match the color of the lighted squares. Record the