This new generation of LEGO Mindstorms features:
• A 32-bit microprocessor
• A large display
• 4 input and 3 output ports
• Bluetooth and USB communications
• Three servo motors
• 4 sensors (Ultrasonic, 2 Touch Sensors, and a new Color Sensor)
• Easy-to-use software with icon-based drag-and-drop programming
• 612 pieces total
Here is the link for the LEGO Mindstorms NXT 2.0 set.
Here are some LEGO Mindstorm 2.0 books to help you take your creations to the next level.