[ Tustin, California ]: Graymark International, Inc. 1994. Later printing. 41 pages. 8 1/2 x 11 inches. Printed wrappers. This is JUST the MANUAL, and does NOT include the robot itself. Near Fine. Wraps. 
A manual, first published in 1992 (here revised in 12/1/94, P/N 61946-3) which provides an introduction, inventory, theory of operation, building your kit, operating, quiz, and servicing of the 603A digital programmable robot. This is the MANUAL ONLY, not the robot.