SilverLit KO Robot Interactive Battling Robots - LED Display - Built-in Speaker with Electronic Sound Effects KO Robot Interactive Battling Robots - Gear Up For Battle, Only 1 Will Survive! Fight to Win the match - Win by Knocking Your Opponent Out of the Ring Control Your Robot's Real-Time Movement in all Directions 2 Levels of Hit Detection - Combo Punches - Detachable Helmet & Arm Guards Aim and Hit - Earn Points and Deduct Them From Your Opponent - Number of Players: 1-2