Create the smartest, strongest and most advanced LEGO robot ever, in as few as 30 minutes! The new NXT Intelligent Brick, your robot's "brain," features a powerful 32-bit microprocessor and more memory, plus support for USB 2.0, Bluetooth and more! A highly versatile palette of LEGO TECHNIC elements combines with state-of-the-art ultrasonic, sound, light and touch sensors in the next generation of intuitive robotics. With included Quick-Start guide, easy-to-use software and step-by-step building instructions, beginners and experts alike can create humanoid, vehicle and animal robots that obey every command! Programming software is now available for both PC and Macintosh, plus with Bluetooth support, you can even command your robot from your mobile phone! LEGO MINDSTORMS NXT Includes: All-new NXT Intelligent Brick with 32-bit microprocessor, more memory and FLASH 3 Interactive Servo motors feature built-in rotation sensors to align speed for precise control New sound sensor reacts to sound commands, patterns and tones New ultrasonic visual sensor responds to movement Improved touch sensor reacts to touch and release Improved light sensor detects different colors and light intensities 519 specially selected LEGO TECHNIC elements for sturdy and durable building and improved functionality and movement 4 input ports, 3 output ports and 7 6-wire cords Matrix display Real sound speaker USB 2.0 and Bluetooth support Easy-to-use PC and Mac compatible interface Intuitive, icon-based drag-and-drop program "building" environment.