Description: Robot tank chassis, metal tank platform for Arduino DIY science toy Easy to assembled by yourself and easy to learn Arduino DIY. Perfect for learning robotics electronic car, You can add robotic arm or robotics HD Camera on this robotic car platform. Motor is equipped with a speed feedback circuit and Hall speed. Dual motor offers higher power and speed. High durability & stability, robot tank car chassis include - aluminum alloy car body & a variety of subplates for DIY. Multiple mounting holes on the robot chassis - adding various sensor and controllers, Easy to assembled by yourself Material: Aluminium Alloy NOTE: Battery is not contained Specification: Name: Robot Tank Car Chassis Size(L*W*H) approx 27 x 16 x 5cm/ 10.62 x 6.29 x 1.96inch Car body Material: Aluminium Alloy Package Includes: 1 Set Robot Tank Chassis Note: The color of the wheel is gold and silver. Please note if ordering, otherwise the wheel color is random. Thanks for your understanding and enjoy your shopping moment!