This is the Yuewalker, an agile tracked chassis, low noise and easy to control, which could be a good partner for your tank-liked robots. A high-strength aluminium alloy tank base with delicate appearance, higher stability and longer durability.
The track robot is made of engineering plastic that basically assured the good elasticity, excellent damping effect and large road grip of the product. It comes with two quality motors to provide high power and speed, which enables your DIY robot car to widely suit all kinds of road surfaces.
To find more interesting functions, you can use this tracked chassis with Arduino microcontrollers or add other electronic components on the base such as a IR sensor, ultrasonic sensor, camera, LED, display, WIFI module etc.
Note: The chassis is unassembled, you can find the manual inside or here.