Motor with 20 mm diameter and 46 mm length, 313:1 metal gear, 6 V operating voltage, 0.15 A to 2.9 A power consumption, 45 RPM speed and 13 kg*cm maximum torque. Pololu 3459

Motor with 20 mm diameter and 46 mm length, 391:1 metal gear, 6 V operating voltage, 0.15 A to 2.9 A power consumption, 36 RPM speed and 16 kg*cm maximum torque. Pololu 3460

Motor with 20 mm diameter and 46 mm length, 488:1 metal gear, 6 V operating voltage, 0.15 A to 2.9 A power consumption, 30 RPM speed and 21 kg*cm maximum torque. Pololu 3461

Motor with 20 mm diameter and 41 mm length, 31:1 metal gear, 6 V operating voltage, 0.15 A to 2.9 A power consumption, 450 RPM speed and 2 kg*cm maximum torque. Pololu 3463

Motor with 20 mm diameter and 43 mm length, 63:1 metal gear, 6 V operating voltage, 0.15 A to 2.9 A power consumption, 230 RPM speed and 4 kg*cm maximum torque. Pololu 3464

Motor with 20 mm diameter and 43 mm length, 78:1 metal gear, 6 V operating voltage, 0.15 A to 2.9 A power consumption, 180 RPM speed and 4.4 kg*cm maximum torque. Pololu 3465

Motor with 20 mm diameter and 44 mm length, 125:1 metal gear, 6 V operating voltage, 0.15 A to 2.9 A power consumption, 110 RPM speed and 6.4 kg*cm maximum torque. Pololu 3467

Motor with 20 mm diameter and 44 mm length, 195:1 metal gear, 6 V operating voltage, 0.15 A to 2.9 A power consumption, 73 RPM speed and 9.4 kg*cm maximum torque. Pololu 3469

Motor with 20 mm diameter and 46 mm length, 250:1 metal gear, 6 V operating voltage, 0.15 A to 2.9 A power consumption, 57 RPM speed and 12 kg*cm maximum torque. Pololu 3470

Motor with 20 mm diameter and 46 mm length, 391:1 metal gear, 6 V operating voltage, 0.15 A to 2.9 A power consumption, 36 RPM speed and 16 kg*cm maximum torque. Pololu 3472

A modernized version of the popular Pololu 3pi mobile robot. The robot is based on the AVR ATmega32U4 microcontroller with Arduino bootloader and OLED display. Assembled version. Pololu 4975

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. Assembled version. Pololu 4976