My 2 year old LOVES trains so this is what I built him in his room. All 3 corners have lighted buildings with plans to add more scenery, but it works great! We call it the Ethan Express.
http://www.youtube.com/watch?v=ZPYmIQwypK0
Bridge is done too!
http://www.youtube.com/watch?v=ZPYmIQwypK0
Bridge is done too!