The DAGU Wild Thumper 4WD Silver 75:1 is part of Pololu's Wild Thumper line of robots. It is a robust 4WD mobile platform and includes two powerful brushed DC motors, on-board motor driver electronics, speed control switches and connectors, and heavy-duty plastic parts. The motors and 75:1 gear box provide high torque at low speeds and can easily navigate uneven terrain. The chassis is made of molded ABS plastic, and the wheels and tires are made of a resilient rubber compound, allowing it to traverse all types of surfaces. The Wild Thumper 4WD Silver 75:1 includes an integrated 6V rechargeable NiMH battery holder and DC barrel jack for easy charging, and an Arduino-compatible ATMEGA328P processor for controlling and programming with the Arduino IDE.