Children love trains! This Pull Train comes with 3 cars, one with removable peg passengers. The Train , Coal Car, and Caboose all interlock together. Engine has a pull string. This is one of our most popular items!! Additional cars are available & sold separately. Length of Engine: 4-1/2" long. Cars measure 3-1/2" long. Additional cars include a box car, passenger car, and circus car. Ages 18 months and up.