The Source Wholesale LTD - Drawbot - Draw a route for the robot to follow

This clever robot has an optical sensor that can detect drawn lines, allowing the robot to stick to that line better than polite people in a post office. It works best if you make the line super-thick and avoid hard turns. If you make a loop, the Drawbot will carry on following the line. And, if it reaches the end of a line, it’ll just keep going in in that direction. This robot is powered by 4 x button batteries, which are included. Also included is a marker, plus paper to draw on and an instruction manual.