Knight Bus

LEGO 4755 Knight Bus is a Harry Potter Prisoner of Azkaban set released in 2004, containing 243 pieces and 2 minifigures. It builds the purple triple-decker Knight Bus from the film and includes Harry Potter and a bus driver minifigure, plus the Grim as a dog element, along with a street lamp and a trunk. The set features a printed window element depicting the Shrunken Head.

Description via Its a Block Party