Assemble and program your very own robot! Robot will automatically detect and use sensors to follow a line in "Line Tracing Mode." You can also program the robot using your computer with no wires required! -Easy to program with the free downloadable software. -Program the robot wirelessly using just your computer screen. (Light Command Prompt) -Drag and Drop commands make programming simple. Use it to navigate even the most complex courses. -"Line Tracing Mode" will detect a line a black line drawn on a white background using light sensors.