This Fidelity Computer Products Sensory Chess Challenger "12" is from around 1983-1984. Marked as model SC-12, the Sensory Chess Challenger "12" is a deluxe 12-inch wood-framed unit with an expansion cartridge port and a printer output so you can print images of your games! The computer tells you where to move its pieces by flashing red LED lights that correspond to rows and columns on the game board. The heavy game board has a wooden frame that measures 14 inches x 14.5 inches x 1.75 inches. The textured metallic board surface is 11.5 inches x 11.75 inches. The wooden game pieces are made in France.