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4752 Professor Lupin's Classroom is a Harry Potter set released in the year 2004. It is a set of the Defence Against the Dark Arts classroom while Remus Lupin held the position, but specifically the scene in Harry Potter and the Prisoner of Azkaban when Neville Longbottom faces a Boggart, a shape-shifting creature. The set contains Professor Lupin and Neville Longbottom minifigures with a Boggart as Severus Snape.
A Boggart is a creature that takes the form of the thing the person fears most. In Neville's case, this is Professor Snape. Because of the Riddikulus Charm, Neville is able to turn the Boggart into something he finds amusing: Snape dressed in Neville's grandmother's clothes.
Professor Lupin's Classroom contains potions, three skulls (with one under a light green glass dome), a hinged spider web with an orange spider, a spell book, and a variety of magical instruments for dealing with dark creatures. A small spiral staircase leads to the top room, Lupin's office. The wardrobe is a revolving door, with the Boggart (as Professor Snape) on one side and a plain wardrobe on the other.
The minifigures included are Professor Lupin, Neville Longbottom, and the Boggart impersonating Professor Snape(in green). Neville was exclusive to this set until a 2011 redesign appeared in 4867 Hogwarts, which also included an updated Professor Lupin. The Boggart minifigure is still unique to this set. It is supposed to depict Professor Snape in Neville's grandmother's clothes.
- In the visual guide to LEGO Harry Potter, Building the Magical World, Professor Lupin is shown with incorrectly black coloured hair in the picture of this set.