Heres Dads old caboose.....some parts missing and dig that ancient coupler on the 'back'. Question #1.... does the raised part of the roof go towards the front or back of the train? Questions #2..... I think the trucks are meant to power a light that goes into the hole in the bottom of the caboose..BUT I've hooked up a light a number of different ways and the light works but the trucks generate sparks, which gives some light but ..lol OK heres Q2...how do I hook up the wires properly??