spike prime- linefollower Robot Design it is PDF file with step-by-step building instructions To find out what parts you need to build the robot, go to the attachments. What is the Line Follower / Line Tracing Competition (in ARAIA) The competition is often called “Line Tracing” or “Line Following” in the Arab Robotics & AI Championship. It’s one of the standard robotics events for school teams. There are two levels/categories in most editions: Beginner and Advanced. This allows schools / students with different experience levels or ages to compete fairly.