*This set does not contain a motor car.
- A set configuration that allows reproduction of different combinations of mail and baggage cars for up and down trains.
- SUHA 45 series passenger cars, designed for Hokkaido's harsh winter conditions, feature distinctive gear-driven axle generators on the bogies and large battery boxes under the floor, standard for northern region trains.
- SURO 62 reproduces the 500 series variant designed for Hokkaido.
- OYU 10 mail car, coupled to the up train, is a non-air-conditioned version with a deep rounded roof faithfully reproduced without a cooler.
- MANI 36 baggage car, coupled to the down train, is based on the Suha 32 series and features a rounded roof design.
- MANI 60 baggage car is reproduced based on OHANI 61 series.
- SUYU 13 and SURO 62 feature separately attached ventilator parts on the roof.
- Both the basic and add-on set cases are designed for 7-car configurations and can each store one locomotive.
- Compatible with interior lighting kit Kato 11-211 (11-212)