1.Use a screwdriver to unscrew the battery cover, insert the batteries, and screw the cover back on tightly. 2.Turn on the device using the power switch and select the desired game mode by pressing the button on the back of the device until it clicks into place. 3.Start playing the game by pressing your finger onto the sensor located at the bottom of the button when the lights turn on. Keep pressing until the lights turn off, then push the button on the back of the device to confirm your success.please touch deeper ! Multiple modes: Adventure mode, Memory mode, Zen mode, Multiplayer mode; Parent-child interactive stress-relieving toy, accompanying children for intimate moments Package include:1 x game machine(batteries not include) Notes:1. Due to various factors such as monitor brightness and light brightness, the actual color of the product may be slightly different from the picture displayed on the website.2. Please allow for slight manual measurement bias in the data.