Line tracking robot cic 21 890 the line tracking robot will help keep you on the right track if you are interested in basic robotics follow the detailed instructions and you can assemble a robot that will follow the route you have designed for him the line tracking robot has 2 photo interruptors as eyes which can distinguish black from white using infrared rays create a route using black tape or a marker pen and the robot will follow it cic 21 890 line tracking robot