Miniature, 6V brush DC motor with metal gear with 15,25:1 gear ratio. It has a cross section of 10 × 12 mm, and the D-shaped output shaft has a length of 10 mm and a diameter of 3 mm. Pololu 4787

Miniature, 12 V brush DC motor with metal gear and 15.25:1 gear ratio. It has a cross section of 10 × 12 mm, and the D-shaped output shaft with a length of 9 mm and a diameter of 3 mm. Pololu 4788

Miniature, 12V brush DC motor with metal gear with 15.25: 1 ratio. It has a cross section of 10 × 12 mm, and the D-shaped output shaft has a length of 9 mm and a diameter of 3 mm. It also has an extended motor shaft with dimensions of 4.5 × 1 mm. Pololu 4789

6-pin female JST SH-type connector that works with Micro Metal Gearmotor Encoders. Pololu 4764

6-pin female JST SH-type connector that works with Micro Metal Gearmotor Encoders. Pololu 4762

6-pin female JST SH-type connector that works with Micro Metal Gearmotor Encoders. Pololu 4763

Zumo 32U4 main robot control board. It is included as part of the Zumo 32U4 robot kit and built into the assembled versions of the Zumo 32U4 robot. Threaded elements, magnetic encoder disks and mounting elements are included. Pololu 3123

Front sensor module of the Zumo 32U4 robot. It is included as part of the Zumo 32U4 robot kit and built into the assembled versions of the Zumo 32U4 robot. The set includes additional infrared connectors and LEDs. Pololu 3122

Replacement sprockets set for the Zumo robot in red. The kit includes two drive sprockets and two idle sprockets. The gears fit both Zumo V1.2 and Zumo 32U4 robots. Pololu 3128

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

Bipolar stepper motor. It has a resolution of 200 steps/revolution (1.8° per step), a rated voltage of 4.3 V, and consumes up to 0.8 A per coil. Pololu 2256

Zumo 32U4 OLED main robot control board. It is included as part of the Zumo 32U4 OLED robot kit and built into the assembled versions of the Zumo 32U4 OLED robot. Threaded elements, magnetic encoder disks and mounting elements are included. Pololu 4994