This is a 4-car set. Individual sales are not possible. I was planning to assemble a single train from these, but since TOMIX released a version, I left them untouched. I remember the lights and motor working, but I'm not sure now. Contents: Kuha 222-1006 Saha 223-1016 Moha 223-1009 x 2 (1 car is junk)