Lego Harry Potter Toot, toot. Lego Harry Potter Take a trip on the Hogwarts Express. Harry and Ron meet their new teacher, Professor Lupin, on board the Hogwarts Express - too bad there's a Dementor on board, too. Lego Harry Potter Lift the top of the boiler off, and pull the handle in the steering house to reveal a secret compartment. It comes off the passenger car so you can put Harry and his friends inside the train. Lego Harry Potter Includes Hogsmeade station, Harry Potter, Ron Weasley, Professor Lupin, and a Dementor. Lego Harry Potter Train does not run on LEGO train tracks but can be modified accordingly. Includes 386 LEGO pieces.Lego Harry Potter