All Products

Wheel Rim - 18 x 14 - #55982

This listing is for a replacement Wheel Rim, 18 x 14, part #55982, offered by Tenka Inc. as a Circui...

Geared Motor Cube

This mighty little motor actually rotates at more than 1,000 RPM (rotations per minute), but the tin...

Nibbler

Space invasion! Meet our latest STEM toy, Nibbler [ #282 ]. This modern toy alie...

Bluetooth Upgrade Kit

Add Bluetooth app control to any build with the Circuit Cubes Bluetooth Upgrade Kit! This kit c...

Plug-to-Clip Wire - 4 Inch / 10 cm

Purchase this wire if you need a way to connect your Bluetooth Battery to your LED, Geared Motor, or...

Potentiometer Cube

What’s a Potentiometer, you ask? It’s actually a variable resistor, like the dimmer switch for your ...

Bushing - #3713

Bushing #3713 is a replacement part from Circuit Cubes | Tenka Inc., offered as a single unit for us...

Cube Combo

The Cube Combo includes our classic Battery Cube is the power source for yo...

Battery Cube

Our Classic Battery Cube is the power source for your circuits. It has a positive and a negative ter...

Tire - 30.4 x 14 - #92402

This replacement tire is a Circuit Cubes part identified as Tire, 30.4 x 14, #92402. It is listed un...

ULTRA BRIGHT LED Cube

The LED Cube is a really bright light, making a perfect searchlight for your vehicle or beacon on to...

Wheel Rim - 30 x 14 - #56904

Wheel Rim - 30 x 14 - #56904 is a replacement part from Circuit Cubes | Tenka Inc., offered here as ...