KATO 10-1752 - Seibu Railway Series 101 (new color / 4 cars add-on set)
Item includes 4 cars with no unit.
This is an add-on set. basic set is required to run.
KATO 10-1751 - 4 cars basic set
Optional add-on set available
KATO 10-1753 - 2 cars cab coach set (with motor unit)
KATO 10-1754 - 2 cars cab coach add-on set