Pretty cool demo, I like the little details like the smoke from the train. I wish there was a reset button so that I can clear the whole track at once. A way to rotate the tracks would be nice as well. It did feel intuitive. Also is creative mode broken? That section didn't seem to work for me, it was just an empty space where I couldn't place tracks. The toy-like aesthetic is great and the little bit of physics when you throw the pieces are a neat little touch as well. Great work so far, can't wait to see it next DD.