KATO 10-1257 - Tokyu Series 5050-4000 (4 car add-on set A)
Item includes 4 car with no motor car.
This item comes with book case which can store full 10 car includes all basic and add-on set.
This is an add-on set. Basic set is required to run. Other add-on set available to make full 10 car unit.
KATO 10-1256 - 4 car basic set (includes motor car and cab cars)
KATO 10-1258 - 2 car add-on set B