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. All of the cars have different car numbers. They are individually packaged. Length over the buffers per pair of cars approximately 22.5 cm / 8-7/8"; total length over the buffers approximately 135 cm / 53-1/8". DC wheel set E700580.