The newest and coolest of the XtremBot line, Charlie is hi-tech fun for anyone interested in outer space. Kids can program and trigger over 200 unique actions using the free app, or try using hand gestures - Charlie's infrared transmitters capture motion and react accordingly. It has LED lights, space sounds and 2 walking modes, as well as being packed with fun facts and trivia games. From gliding to navigating a maze to quizzing you on the solar system, there are endless ways to play! No batteries required, USB charger included.