The Lego 4534 Express, is a train set of the 9 volt line, The set contains 456 pieces, and of those 456 pieces, there is a whole line worth of track, three train wagons, and five Minifigures. You might recognize the train wagons in this set, they are from the “My own Train” locomotive kits, the ones in this set are the Large Locomotive, Tender, and Passenger wagon.