Press space to clear and change pen color. Press the -> -< arrow keys to turn the ball if it starts following one of its lines. Press the up and down arrow keys to change the ball. Use the Speed to control the speed of the ball. 0=stop 25=half speed 50=full speed Use the Pen size to control the size of the pen. 0=very thin 42=half 84=biggest It might make a design!
