Size of box is 10 3/4 inches by 4  inches and 7 3/4 inches by 2 1/2 inches for the actual car.  Look at pictures to see that it is mounted on a train track and then a piece of wood.  Stored inside and non-smoking house.  Box has a few scuffed on the outside from storage.  Gotten in 1994.  Note inscription inside the folder (1st in Series and etc.)  It will be packed in a box so as it keep it nice.  It weighs over 1 pound so it cannot come first class.