A set of two 90x10mm black Pololu wheels. Fits D-shaped shaft with a diameter of 3mm. Pololu 1435

Motor with 25 mm diameter and 56 mm length, 172:1 metal gear, 6 V operating voltage, 0,25 A to 2,4 A power consumption, 34 RPM speed and 14,5 maximum torque. Pololu 1588

73:1 Metal Gearmotor 20Dx42L mm

A set of two aluminium brackets for mounting Pololu 20D motors. Mounting screws are included. Pololu 1138

Ultrasonic distance sensor MB1010 with a range from 0 to 645 cm. It has an output in the form of a serial interface, analog signal or generates an impulse whose duration is proportional to the measured distance. Pololu 726

Ultrasonic distance sensor MB1020 with a range from 0 to 645 cm. It has an output in the form of a serial interface, analog signal or generates an impulse whose duration is proportional to the measured distance. Pololu 792

Ultrasonic distance sensor MB1030 with a range from 0 to 645 cm. It has an output in the form of a serial interface, analog signal or generates an impulse whose duration is proportional to the measured distance. Pololu 793

Ultrasonic distance sensor MB1040 with a range from 0 to 645 cm. It has an output in the form of a serial interface, analog signal or generates an impulse whose duration is proportional to the measured distance. Pololu 794

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

Tamiya 70140 Pulley (S) Set

Tamiya 70143 Universal Arm Set

Universal metal construction parts with mounting holes. Comes with nuts and bolts. Pololu 90