LEGO MINDSTORMS Touch Sensor (9843) Includes 1 Touch Sensor Does not include connector cable This is the individual component, and does not include the NXT Intelligent Brick, software or any accessories. It requires the complete LEGO MINDSTORMS NXT set (#8527) for use. LEGO MINDSTORMS is age graded 10+ and is P/C MAC compatible Utilizes the LEGO TECHNIC building system for easy and more stable building with improved funtionaility and movement capabilties