The classic alien invasion game is now portable on a keychain!****How to play: **Switch the product On (you will find the switch on the base of the product) There are two On modes- Silent and Sound On.****To start the game- press the start button (the long button on the front). You can pause the game by pressing the button again- re-press to re-activate.****The aliens will light up one at a time randomly- press the button whilst the alien is lit. If you press the wrong button- you will lose one of your six lives and one of the LEDs on the start button will light out. Once you have lost six lives- your game will be over (press start to play a new game)****There are three levels of difficulty which are indicated by different sound effects and music. To avoid battery drainage- switch off after use. Clean with a dry cloth only.****Features:*** Requires - 3 LR44 Batteries (included)