Harry Potter

Chomping Monster Book of Monsters

The one textbook you actually want to bite back.

Brick Rated Score

3.7/5

Set 76449 · 2025

Pieces519

Minifigs1

Year2025

Set number76449

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The verdict

I have a soft spot for LEGO sets built around a single silly idea, and a snapping, fur-covered textbook that pulls back and races across the table chomping the air is exactly that kind of gleeful nonsense.

It nails the character from the films, and the play function genuinely made me laugh. I will be straight with you though, at 519 pieces for its price it is not the strongest value in the Harry Potter lineup, and one minifigure is a thin roster. This is a set for the fun of the thing, not the parts count.

Best for: Harry Potter fans who want a playful, characterful shelf piece with real action

The full review

What it is

This is Hogwarts' most dangerous textbook rebuilt in brick, and I mean that with affection. In the films the Monster Book of Monsters is a snarling, hairy volume that has to be stroked down the spine or it will take a chunk out of your hand, and LEGO leaned all the way into that gag. You build a book that opens to reveal a wide, toothy mouth, then hide a pull-back motor inside so it can charge forward snapping as it rolls. The first time I sent it skittering across my desk I grinned like a kid. That is the whole appeal here, and it lands.

The catch

Here is where I owe you some honesty. At 519 pieces for a 60 dollar recommended price, this is not a set you buy for the brick value. The part-out value is healthy on the secondary market, but at retail you are paying a premium for the licensed character and the action function rather than a mountain of pieces. It also ships with a single minifigure, Neville Longbottom, which feels a touch mean for the money even though he is a lovely inclusion. A few reviewers came away feeling the finished book was a little smaller and plainer in person than the box art suggests, and I understand that reaction. The furry cover is clever, but this is a quick build, not a deep one.

Who it's for

So who will love it? Harry Potter fans who care more about character and play than piece count, and anyone who wants a genuinely animated display piece rather than a static model. Kids around the 9-plus age mark are the obvious sweet spot, because the chomping function is built to be played with, not just admired. If you are chasing minifigures, dense engineering, or the best dollar-per-brick deal on the shelf, this is not your set and I would point you elsewhere in the theme. But as a joyful, self-contained little monster that lives on a bookshelf and occasionally terrorises the family cat, it earns its keep.

The parts story

What the build is actually like, and the pieces worth knowing about.

The build itself is brisk and cleverly staged. You start with the pull-back mechanism and the frame, then layer on the cover, the hinged jaw, and finally all the shaggy detailing. It is not a technical marvel, but getting the mouth to open and the wheels to drive in sync is satisfying, and there is a nice moment when the plain box suddenly grows teeth and eyes and becomes a creature. Younger builders will manage it comfortably, and the payoff of that first pull-back run is a great reward for a short session.

The star pieces are all about texture. LEGO uses layered plate and tile work plus fanged and pointed elements to fake the fur and gnashing teeth, and the eyes give it real personality. Neville arrives with a tiny printed Monster Book accessory that is honestly the cutest thing in the box, a little echo of the big build. There are no headline new molds here, so parts collectors will not be raiding it for rare recolors, but the assembled effect is more than the sum of those fairly ordinary bricks, which is a nice trick to pull off.

Fun facts

01The book uses a hidden pull-back motor and concealed wheels, so you place it flat, pull it back, release, and it speeds off with its mouth chomping.
02Neville Longbottom is the only minifigure, and he comes holding a miniature Monster Book of Monsters accessory element, a little book within the big book.
03Released on June 1, 2025 at a 59.99 dollar recommended price, the set is projected to stay available until around mid 2027.
04The finished book measures roughly 6.5 inches long and 5.5 inches wide, small enough to sit comfortably on a shelf among real books.