HO Scale Long Car Storage Box. This box measures 1-5/8" x 3" x 12" and will hold most passenger cars or two 36 ft freight cars. The box measures HO scale 87 ft long. This item ships flat and must be assembled by folding. Label not included. Please note that as the minimum shipping on our website is $3.00, it is best to order at least 4 of these at a time.