Model: The cars are intricately constructed and have many separately applied details. The cars have separately applied chute extensions. The hinged roof can be opened. The pairs of cars are connected with a permanent prototype coupling. Operating close couplers are included. The cars have different car numbers. All of the pairs of cars are individually packaged. Length over the buffers per pair of cars approximately 22.5 cm / 8-7/8"; total length over the buffers approximately 67.5 cm / 26-9/16". DC wheelset E700580. Trix Express wheelset E3357811.