Designed for use with the 9841 Intelligent NXT Brick, this Lithium Ion Polymer battery with DC plug gives you an alternative to normal AA batteries. Capacity: 2100 mAh. Estimated recharge time 4-5 hou

This set gives you a huge variety of windows with shutters, doors and roof tiles. Everything you need to give your constructions the finishing touches

Displays input and output in volts, watts, amps, and energy storage level in joules. Combine with 9669 Energy Storage to form the LEGO Energy Meter.

Add even more life to your bustling LEGO? town. This set features indispensible people from everyday life in the community. Including a policeman, postman, ho

LEGO Education Farm Set (9217)

The Pneumatics Add-on Set for the 9686 Base Set provides five principle models and four real-life pneumatics models. Includes full-colour building instructions,

The all new HiTechnic Infrared Electronic Ball (IRB1005), with four operating modes, is perfect for playing robot soccer or for as an infrared beacon for your robot to find. The well balanced ball contains 20 infrared LEDs giving full signal coverage. The IRB1005 can also be switched to operate in un-modulated (no pulse) mode, or trapezoidal mode as used with Robocup Jr competitions, or one of two HiTechnic modes, 1200Hz and 600Hz, provide added flexibility and detection ranges up to 5 meters or more (15+ feet).

LEGO Education WeDo Resource Set 9585

LEGO Education WeDo Resource Set 9585. Features extra and new elements for building large WeDo models that provide even more learning opportunities. Combine with 9580 WeDo Construction Set to build four new models: Ferris Wheel, Crane, Car or House. Includes new elements such as wheels, rotors and a door. Download free building instructions and programming samples right here by clicking on the Crane, Ferris Wheel or House and Car boxes below.

Expand your NXT experiences with the new NXT Compass Sensor and add accurate navigation to your Mindstorms® NXT projects. The NXT Compass Sensor is a digital compass that measures the earth’s magnetic field and outputs a value representing the current heading

Play robot soccer and zero in on your infrared (IR) beacons with the new and enhanced IRSeeker V2 (Version 2). You can use most TV remotes and LEGO® Power Functions remotes as beacons that the IRSeeker V2 will detect.

LEGO Education Brick Runner Set (9077)