Toot! Toot! The steam train whistles. “Clickety-clack! The freight train rattles. Lift the flaps to discover how trains work, what they do, and where in the world they go. From traditional steam trains to super-fast bullet trains, trams and funicular railways, children will love lifting the flaps to discover how different types of trains work. With lots of fun facts about about the history of train travel and famous trains and railways from around the world.