Pool Robot -Robot Tank Chassis Highlights Generic Brand Robot Tank Chassis Description: Robot tank chassis, metal tank platform for DIY science toy Easy to assemble by yourself and easy to learn DIY. Perfect for learning robotics, you can add a robotic arm or a robotic HD camera on this robotic car rig. The motor is equipped with a speed feedback circuit and a Hall speed. Dual motors provide superior power and speed. High durability and stability, the robot tank car chassis includes: aluminum alloy body and a variety of plates for DIY Multiple mounting holes on the robot chassis - adding various sensors and controllers, easy to assemble by you -same Material: aluminum alloy NOTE: battery is not contained Specification: Name: Robot Tank Car Chassis Size (L*W*H) about 27 x 16 x 5cm/10.62 x 6, 29 x 1.96 inch Body material: aluminum alloy Package includes: 1 robot tank chassis Note: Wheel color is gold and silver. Please note if the order, otherwise the wheel color is random. Thank you for your understanding and enjoy your shopping time!