Press C to change the color. To initiate Rainbow Mode (rainbow drawing), press M. To turn off, press M To put the pen up and down press P. The lines follows your mouse pointer. Press 1 to make the pen size smaller and 2 to make the pen size bigger. press R to reset the pen size to 1. press D to make the "draw" logo appear and press D again to make the "draw" logo disappear. Press space to clear.