The Minibit is the younger sibling of the popular and well-loved Bit:Bot. It comes ready-built (wheels need pushing on, and the pen holder top part can be screwed on if required). A Makecode extension is available - just search for Minibit in the Advanced/Extensions tab. Blocks available for driving the motors, LEDs and optional ultrasonic sensor and line follower module. 4tronix MiniBit Robot Features 2 micro-metal gear motors. Both fully controllable in software, for both speed (0 to 100%) and direction (forward or reverse) Fully enclosed gearboxes to minimise the ingress of dust and fluff Wheels with rubber tyres for maximum grip Metal ball front caster 4 FireLeds along the front. Select any colour for any pixel, produce stunning lighting effects as your Minibit moves around Integrated pen holder sits directly between the wheels for best operation. Designed for Sharpie felt tips but any pen with 10mm end shaft will fit Powered from integrated 3xAA battery holder with on/off switch and blue indicator LED Easily plug your BBC micro:bit in and out using the edge connector Microbit pins 0, 1, 2 as well as 0V and 3V brought to croc-clip friendly edge connections Robust connector for optional Ultrasonic sensor (and other addons)