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4755 Knight Bus is a Harry Potter set released in 2004. The set includes the three-level purple bus that transports stranded witches or wizards around the world. It also includes a lamp post, Harry's trunk, Hedwig, a shrub and Sirius Black in his dog form. Harry Potter and Stan Shunpike minifigures are included.
- In this set Stan Shunpike is a driver of the bus; however, in the film and LEGO Harry Potter: Years 1-4, it was driven by Ernie Prang.
- This set includes a window piece that has the Shrunken Head printed on it.