Heavy-duty aluminum channel pieces are the structural base for building with the TETRIX® building system. Comes in five different lengths for flexible building – also, pieces can be cut to custom lengths with a metal-cutting blade.

Use to recharge the TETRIX® 12-Volt Rechargeable Battery Pack (39057) and the 12-Volt Battery Pack (41135). This NiMH charger auto detects battery pack voltage, sets up proper charging voltage, and cuts off power automatically by...

These 6-32 screws feature a low-profile head – great for areas where moving parts are close to the screw heads. Requires hex keys, sold separately, to tighten and loosen the screws.

The Quarter-Scale Servo for TETRIX® offers a whopping 183 oz-in. of torque, 180-degree rotation, and superior strength and performance. Perfect for robot builds that require more power and durability. The servo features Karbonite gears...

Forget those plastic servo horns! This heavy-duty aluminum servo horn lends extra strength to your servo applications.

Replacement pivot bearing for all TETRIX® pivot arms and brackets.

With the use of 10 rollers, these wheels have the ability to drive forward and laterally. Available in 3" and 4" sizes.

With the Chain Breaker Tool, quickly and easily change the length of the 0.250" TETRIX® Chain with Links. Simply measure the length you need for your application, position the chain in the breaker block, and turn the side-mounted screw...

TETRIX® Chain with Links is made to work with all ratios of TETRIX sprockets. The chain pack includes five feet of 0.250" steel chain and four master connecting links. TETRIX chain can easily be cut to custom lengths using the Chain...

Add this resource set to your TETRIX by Pitsco collection and build bigger and more complex robots and complete more challenging engineering projects. This set includes 40 metal building elements and comes complete with a convenient...

The HiTechnic DC Motor Controller for TETRIX® connects to an EV3 Intelligent Brick sensor port and enables you to control powerful DC motors for use with TETRIX robots. The controller has two H-bridge outputs to control the speed and...

Want to connect a TETRIX® MAX robot to LEGO® elements? It’s not a problem with this TETRIX Hard Point Connector that was designed to enable LEGO Technic elements to be connected to the TETRIX MAX building system.