This is a compact, tracked robot designed for challenging terrain and using ROS (Robot Operating System). The chassis and four flippe are entirely 3D-printed, utilizing a combination of durable PETG for structural parts and flexible TPU for the tracks. Combine with high torque robot arm on top of diver train, which power by high torque RDS5160 servo. The robot support Raspberry Pi, which can be operate by ROS to easily control the robot.