LEGO Mindstorms NXT 2.0 (8547) for $229.99

The intelligent NXT Lego brick features 32-bit microprocessor, a large matrix display. Three interactive servo motors; four sensors(Ultrasonic Sensor, 2 Touch Sensors and the all-new Color Sensor). Color Sensor has triple functionality: Distinguishes colors and light settings, and functions as a lamp. Easy-to-use software (PC and Mac) with icon-based drag-and-drop programming and 16 fun building and programming challenges. There are 612 pieces in this product. Batteries not included with this product. Building instructions for 4 new amazing robots. Four input and 3 output ports, and Bluetooth and USB communication link