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Set 76464 Cauldron: Secret Potions Classroom
Harry Potter

Cauldron: Secret Potions Classroom

Cauldron: Secret Potions Classroom hides a complete Potions classroom inside an oversized cauldron, picking up on a familiar idea from the world of Harry Potter. With 661 pieces and two minifigures, this 2026 set packs a detailed slice of Hogwarts into a compact form.

Set number
76464
Year
2026
Pieces
661
Minifigures
2
Theme
Harry Potter
Different parts
166
What can I build with it?

View the official building instructions at LEGO® ↗

Parts list 166

As BrickLink list (XML)

Import on BrickLink: Wanted → Upload, upload the file (or paste its content), pick a Wanted List and add the parts.

Minifigures 2

Description

A cauldron hiding a full classroom

The idea behind Cauldron: Secret Potions Classroom is a large, black potion cauldron that opens up to reveal a complete Potions classroom hidden inside, styled after the teaching spaces seen throughout Hogwarts in the Harry Potter films. Hiding a familiar scene inside an unusual container or building shape has become something of a recurring trick within themed sets in recent years, and this cauldron is a strong example of it. Rather than a conventional castle wing or tower, you effectively get two models in one: the cauldron itself as an eye-catching centrepiece, and the interior as the real detail-driven build.

661 pieces, 166 unique parts

With 166 unique parts across 661 pieces, this set differs from many detail-heavy Star Wars or Friends sets, since a fair number of matching basic bricks go into shaping the large, rounded cauldron body. That produces a build that leans on repetitive shell-building early on before shifting into more intricate classroom details, shelving and teaching props inside the cauldron. For builders, that means an agreeable mix of steady, structural building for the outer form and more focused, fiddly work for the interior fittings. That combination suits anyone who enjoys both large sturdy shapes and small interior scenes within a single set.

Black, dark bluish grey and reddish brown

The colour palette of black, dark bluish grey, reddish brown and light bluish grey matches the look of an old, heavy cast-iron cauldron exactly as you would picture one in a Potions lesson. Black and dark bluish grey dominate the cauldron's outer shell, giving it that slightly gloomy Hogwarts look, while reddish brown provides a warm contrast on wooden shelving, chests and furniture inside. Light bluish grey rounds out the palette on metal fittings and technical details on the cauldron itself. This darker, more subdued colour choice pairs well with other Harry Potter models on a shelf.

Two minifigures for the classroom scene

Two minifigures come with this set, enough to stage a small classroom scene inside the cauldron, such as a teacher and a student working at one of the potion stations. For collectors building out a shelf of Hogwarts classrooms, this set complements other teaching-space builds in the range without duplicating figures already owned. It also works well as a self-contained piece on its own, since the cauldron can simply be displayed closed when the interior scene is not on show. The full parts list on this page sets out the size, colours and minifigures before you buy.

FAQ

How many pieces and minifigures does this set include?
It contains 661 pieces with 166 unique parts, along with two minifigures.
What is hidden inside the cauldron?
A complete Potions classroom styled after Hogwarts, revealed only once the cauldron is opened up.
What colours define the model?
Black and dark bluish grey dominate the cauldron itself, with reddish brown used as an accent inside.

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