As new all complete Lego MINDSTORMS EV3 Build multiple and custom robots with sensor technology. Sensors: Touch, Colour, Infrared Wheel and track motors. spinners, shooters etc Programable Brick. Can also program visually on a computer and load to robot Control with simple remote or use your iphone or iPad with the LEGO Command app. Check out : LEGO.com/mindstorms. For lots of info. Retails $400 +