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

This item is a set of three plastic rollers, a 1″-diameter plastic ball, and a retaining clip that can be used on the front or back ball caster locations on the Romi chassis base plate. The ball is white, and all other parts are pink. It is included as part of the pink Romi Chassis Kit.

Pololu 3531

A set of two Pololu wheels with dimensions 60x8mm in black. Intended for Micro servos with 4.8mm diameter spline and 20 teeth. Pololu 4910

Complete set for robot construction, Pirate-4WD chassis + Romeo All-in-One driver

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

Pololu 22T Track Set

Kit for building a worm robot. The chassis is equipped with four motors and a controller, 2 RGB diodes and an STM32F030 microcontroller. M5Stack K033

Tamiya 70156 Long Universal Arm Set

Tamiya 70121 Pulley Unit Set

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

A robotic arm with four degrees of freedom (4 DoF) based on servomechanisms and a controller with an ESP32 module. It can be controlled wirelessly via WiFi and a web browser or USB interface. Waveshare RoArm-M2-S (EU)

75:1 Micro Metal Gearmotor HP

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

A modernized version of the popular Pololu 3pi mobile robot. The robot was based on the AVR ATmega32U4 microcontroller with the Arduino bootloader and OLED display. Kit version. Pololu 4978