MARX circa 1940 key wind tin train set . Track is mounted on a 4 x 2 1/2 foot piece of 1/8 inch plywood. Engine is 8 x 2 1/2 inches, General coal car is 5 3/4 x 2 inches, NY Central car is 6 x 1 3/4 inches, and the caboose is 6 x 1 3/4 inches. Wind up key is included. $75.00 cash only