This plastic train set is battery operated requiring 1 "AA" battery which is not included.
The red engine is 3 3/4" long, the 2 styles of cars which are green and yellow are 2 5/16" long and 1 3/4" long, and the blue caboose is 2 1/4" long.
The set runs on a 7 piece oval track that when fully assembled is 31" long x 10 1/2" wide.
The set comes in a plastic mold within a window box and has a UPC code.