Model: The cars have detailed construction and are full-scale in length. The minimum radius for operation is 360 mm / 14-3/16". All cars have factory-installed interior lighting with warm white LEDs and buffer capacitors. The interior lighting works using the factory-installed current-conducting close couplers in conjunction with the type ABC4ü, express train passenger car, 1st/2nd/3rd class, from item 42491, which is fitted with a pickup shoe for current pickup. The cars must be coupled in a defined sequence for this. All cars are equipped with current-conducting close coupler heads. Replacement normal close coupler heads and short corridor connections are included for the train end. There are imprinted train route signs and running numbers. A concertina fold shows an illustration of the complete train and the prototypical arrangement of the individual cars in the train consist. Total length over buffers approximately 77 cm / 30-1/4". The express train passenger car set 2 goes with the class 01.10 express steam locomotive with new tooling and a new boiler design, which is available as item 39105. The set can also be extended with express train passenger cars from items 42491 and 42526 to create a prototypical D 74 express train. A DC version of this express train passenger car set is available in the Trix H0 range as item 23623. Find more Märklin explanation videos on our YouTube Channel. Spare parts for our articles can be found here in our spare parts search.