Good stuff, in no particular order:

The Nightmare Express has more or less the same physical form as the Wachowski twins' giant robot from Speed Racer. This explains why it resembles a Giant Beast.

I thought I would hate the idea of riding in a train because of its association with TRAINS, but this train is nothing like a train. It's mostly just a bunch of cars with weird doors in the middle. I enjoyed this, as I enjoy the idea of having a cool vehicle without having to think about trains. I'm happy to be taking a train to wherever we go, without ever getting off. There is nothing to do but look at the scenery.

Speaking of which, Skylanders are on a train. The train was, to the best of my understanding, a real train. (And there's a wikipedia article about how Skylanders takes place on a real train!)

While my memory of the train is hazy, we also spent a lot of time sitting in a train car, and maybe getting off the train and going to a train station. All this time we didn't really get very far – we were at sea, I guess? – but I had fun, it was a different environment, and I enjoyed the novelty.

We also rode in the "Skylander Pod," a car that looks like a flying car from Speed Racer. The driver is a little guy. He says some things which mostly seem to consist of his name (which I forget) followed by "no." I also don't remember if we did any of this stuff on the train itself, or just in the car.

After getting off the train, we also spent a lot of time sitting in a row of waiting cars. One of these cars, I remember, was like a little Hollywood star cruiser, but I didn't recognize it as such because it looked more like a sailboat.

Skylanders had a sailing ship for a while. This didn't go too well for them, as I understand it, but then again, I didn't actually see it happen.