4720 Knockturn Alley is a Harry Potter set released in 2003. It recreates the scene in Harry Potter and the Chamber of Secrets, when Harry Potter accidentally enters the shop of "Borgin and Burkes" in Knockturn Alley - a street and shop in the wizarding world known for both dark magic and sinister witches and wizards. Exclusive Lucius Malfoy and Harry Potter minifigures are included.