Verify your cables for connectivity or faults using this tester. Particularly useful when you are crimping your own cables or reusing old cables.

With this Sensor for the RCX you can meassure the temperatur of your surroundings.

This battery holder is designed to hold 6 AA batteries. It has LEGO NXT/EV3 compatible mounting to integrate it into your LEGO contraption easily.

This ball caster comes with two balls, one of plastic and one of metal. You can attach it to your NXT and replace the balls according to your preference.

Connect up to 4 standard NXT Touch Sensors to one sensor port with the Touch Sensor Multiplexer. The HiTechnic Touch Sensor Multiplexer has 4 input ports where NXT Touch Sensors can be attached and a single output port to connect to the...

This ball caster comes with two balls, one of plastic and one of metal. You can attach it to your NXT and replace the balls according to your preference.

Ribbon like thin and flexible, Comes with NXT/EV3 Compatible Phone jack connectors, Pack of 3 cables 20 cm each

AbsoluteIMU-A is a 3 axis multi-sensitivity Accelerometer designed for LEGO Mindstorms NXT. This sensor works at 4 different sensitivity levels of gravity. (The sensitivity can be chosen in your program.) This device can be used to...

These storage boxes are black and have the size of the original EV3 Core set plastic boxes and can be stacked, with or without covers. It has also the size of the Machines and Mechanisms storage boxes.

This motor controller connects to the PRIZM® expansion port, enabling users to control up to two additional 12-volt DC motors. Up to four motor controllers can be connected to the PRIZM expansion port Has two H-bridge outputs to control...