So I'm new to the hobby and have been reading the forum. I have decided on the size of the set but would prefer to start small. I'm thinking of going for a n scale set due to its size. What I would like to do is a mountain area with a tunnel, forest and a query maybe. I would prefer to have 2 trains running, a passenger train and a coal train. Is this possible? Is it also possible to have the coal train emit smoke and whistle? Is this complicated? Since this is my first I don't want to complicate it a lot either. What size would you recommend? And I have no idea where to start. Any advice would be appreciated.