Massive 3,491-piece Lego Harry Potter set sketch leaks ahead of reveal, costs $450
Lego's Harry Potter line is about to get bigger, quite literally. Thanks to a newly leaked sketch, we have our clearest look yet at what could be one of the largest Harry Potter-themed sets the company has ever put out, and fans are already split on whether it's worth the price tag.
The set in question is reportedly numbered 76476 and rumored for a September 2026 release. In the leak, it is depicted in a hand-drawn schematic credited to reputed leaker "unibricks" and shared via the account cmf6169_backup on Instagram (see below). The sketch carries an explicit disclaimer that it may reflect an early prototype rather than the final product, but considering the source's successful track record with similar sketches, we can get a pretty good idea of what the set will be about.
Going by the accompanying notes, the top level recreates a London street scene with a red telephone-box entrance, alongside minifigures including Arthur Weasley and Mrs. Figg. The middle level appears to depict a grand underground hall featuring a Floo Network fireplace, office stacks, and a fountain, with figures for Dumbledore, Voldemort, Dolores Umbridge, and Mad-Eye Moody. The bottom level reportedly includes an underground chamber and a separate room the leaker guesses could be a courtroom or archive space, alongside Harry, Ron, Hermione, and a minifigure tentatively identified as Sirius Black.
The set's rumored 3,491-piece count and roughly $450 price verifies earlier reporting from leaker Brick Tap (see below), and would place it among the five largest Harry Potter sets Lego has produced — behind Hogwarts Castle (curr. discounted to $367 on Amazon), Diagon Alley, and two other Collectors' Edition sets.
None of these details are officially confirmed by Lego, and figure counts vary slightly across leak sources, so please treat specifics as subject to change.
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