The Tamiya 72002 gearbox with the possibility of installing racks in a gear ratio of 11.6:1 and 18:1. It is suitable for very fast vehicles or mechanisms that do not require high torque. Pololu 71

Black wheels made of polyurethane with a diameter of 200 mm and a thickness of 30 mm. Pololu 3283

Motor with 25 mm diameter and 69 mm length, 99:1 metal gear, 12 V operating voltage, 0,2 A to 2,1 A power consumption, 76 RPM speed, 12 maximum torque and 48 CPR encoder. Pololu 4867

Motor with 37 mm diameter and 52 mm length, 19:1 metal gear, 12 V operating voltage, 0,2 A to 5,5 A power consumption, 530 RPM speed and 8,5 maximum torque. Pololu 4741

The mountings allow the engine to be mounted on the Romi Chassis chassis. The motor is snap-fitted, which facilitates its quick assembly. The fixings are in black. Pololu 3520

Tamiya 70156 Long Universal Arm Set

A set of two 80x10mm black Pololu wheels. Fits D-shaped shaft with a diameter of 3mm. Pololu 1430

73:1 Metal Gearmotor 20Dx42L mm

Motor with 20 mm diameter and 44 mm length, 100:1 metal gear, 6 V operating voltage, 0.15 A to 2.9 A power consumption, 140 RPM speed and 5.4 kg*cm maximum torque. Pololu 3454

Small metal gear motor, 100 RPM speed, 3V operating voltage. GA12-N20-0005

All-in-one microcontroller especially designed for robotics application. Benefit from Arduino open source platform, it is supported by thousands of open source codes, and can be easily expanded with most Arduino Shields. The integrated 2 way DC motor driver and wireless socket gives a much easier way to start your robotic project. DFR0004

Adapter that allows you to easily mount the wheels on a motor with a shaft diameter of 6 mm using screws size 4-40. The hub fits both round and D-shaped shafts. Pololu 1083

Small metal gear motor, 50 RPM speed, 3V operating voltage. GA12-N20-0001