1. The product is made of high quality material, 2. Product performance is stable, long service life 3. The product is very suitable for DIY enthusiasts, you can improve the ability to do hands-on 4. Comes with four games: square, racing, playing aircraft, Snake 5. Sound can be turned on/off, adjustable brightness Working voltage: 5V mobile phone charger, rechargeable treasure, four 5 dry battery power supply (kit does not provide batteries) The pixel game machine kit contains the following functions: 1, Square 2, Snake 3, Racing 4, Jet Skiing 5, Brightness adjustable 6, Sound can be switched on/off Instructions for use: 1, Power on; 2, Left and right buttons for selecting game items; 3, When selecting the game, 1 to 4, for the game item 5, for the selection of screen brightness 6, for the game sound switch OK button to enter the selected game Game button description: (1) Square operation instructions: left and right buttons for the square left and right movement buttons, down for the square to accelerate the fall, OK key for the square rotation. (2) Snake operation instructions: up, down, left and right buttons for the direction of movement of the Snake. (3) Racing car operation instructions: left and right keys for racing car left and right movement, OK key for obstacles plus accelerate the fall. (4) Hit the plane operating instructions: left and right keys for the plane to move left and right, OK button for firing bullets. Colour:As Shown Material:Metal + Plastic Package Contents: 1 x DIY Game Kit(Without 4xAA batteries, you need to prepare them yourself)