You will need a good robot base to build mobile robot. This is robot base / chasis kit for a 4 wheel driven mobile robot comes with a double transparent acrylic base. It comes with everything you need to build your first 4 wheels mobile robot except the electronic parts. It gives you the freedom to choose your preferred microcontroller whether it is Arduino, Micro:bit or any platform you like. It is particularly suitable for educators or training centers who wish to conduct a mobile robot workshop for students. It is also suitable for undergrade student building mobile robot such as line following, obstacle avoidance, wireless remote controlled or IR remote control; you name it! Specification * 4 motors + wheels mobile robot chasis/base * 2 layers of Transparent Acrylic base (3mm thickness) * Comes with encoder plate for each motor (not the sensor) * Comes with mounting accessories for motors and Acrylic base * Chassis size: ~250mm x ~150mm * Wheel Diameter: 67mm * Motor parameters: * Gear Ratio = 48:1 * Speed with 66mm diameter wheel = 0.65 m/s at 7.2VDC * Recommended operating voltage: 5 - 10VDC * Noise level < 65dB * Current Consumption: * 100 mA each motor at 3V * 100 mA each motor at 5V * 120 mA each motor at 6V Packing List * 2 x Transparent acrylic plate * 4 x DC gear motor(TT motor) + Mini Wheel * 1 x (4 x AA) battery holder * 4 x Black slotted disc * Mounting screws and accessories https://elecena.pl/product/27742289/cytron-4-wheels-robot-base-with-2-transparent-acrylic 2025-01-23 https://elecena.pl/product/27742289/cytron-4-wheels-robot-base-with-2-transparent-acrylic 2026-02-21 https://elecena.pl/product/27742289/cytron-4-wheels-robot-base-with-2-transparent-acrylic 2026-10-01 https://elecena.pl/product/27742289/cytron-4-wheels-robot-base-with-2-transparent-acrylic 2026-10-05