If you haven't seen or heard of this movie yet, you should. First and foremost, it is a great movie. It's animated and for kids but if you are a big kid like me; it's worth every penny.
It has trains (some of the nicest I've seen since Polar Express), great footage of Penn Station in the stylized era from the 20's and 30's and great period footage. It's just a great movie set in an era we're all interested in.
The other side of it is this: the movie has a message I really like. I won't spoil it for you, the kids or grand kids; it just has a message that is right on point and makes several other strong messages using subtle means.
Nuff said, don't let this one pass you by!