How many pieces are in the Cauldron: Secret Potions Classroom?

Cauldron: Secret Potions Classroom contains 652 pieces.

What age is the Cauldron: Secret Potions Classroom recommended for?

This set is recommended for ages 10+.

When was the Cauldron: Secret Potions Classroom released?

Cauldron: Secret Potions Classroom was released in 2026.

LEGO Cauldron: Secret Potions Classroom set 76464

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🏛 Harry Potter

Set #76464

Cauldron: Secret Potions Classroom

Cauldron: Secret Potions Classroom is a uniquely clever entry in the Harry Potter line.

Before you buy

Who it's for: Ages 10+ · Intermediate build Perfect for Harry Potter fans and younger builders looking for a fun, interactive display piece
Build: 652 pieces · about 3 hours Build time is an estimate.
Price: $59.99 list price · 9.2¢ per piece
Availability: Current release · expected exit Dec 31, 2027

★★★☆☆ 3.8 community rating from 14 ratings

Fans praise the clever transforming cauldron concept and fun play features, though some note the heavy reliance on black pieces makes parts of the build slightly repetitive.

$59.99

Check price on eBay

📝 Our Take

AI-assisted editorial summary, grounded in our LEGO database and public community discussions. How we use AI

Cauldron: Secret Potions Classroom is a uniquely clever entry in the Harry Potter line. By folding an entire underground potions lesson inside a giant brick-built cauldron, this set delivers a brilliant blend of clever engineering and whimsical display appeal that stands out from standard castle rooms.

This set is perfect for Potterheads and fans of transforming playsets. Builders will appreciate the interactive stirring mechanism that unfolds the scene, plus the inclusion of essential characters like Professor Snape and Hermione Granger.

Skip this if you prefer traditional Hogwarts castle modular expansions or traditional room displays. The novelty shape means it takes up unique shelf real estate, so modular purists might want to stick to the main castle line.

✨ New

Ask BlockTalk about this set

AI assistant with full set data

BlockTalk

Hi! I'm BlockTalk, your LEGO expert. Ask me anything about the Cauldron: Secret Potions Classroom - building tips, investment potential, comparisons, or anything else!

Try asking:

How does the secret classroom transformation mechanism actually work? Are the Professor Snape and Hermione Granger minifigures exclusive to this set? How well does this set display alongside the modular Hogwarts castle line? Is the build repetitive given the high volume of black and dark gray pieces?

🧱 Building Experience

AI-assisted build estimate, grounded in our LEGO database and public community discussions. How we use AI

🧩

652

Pieces

⏱

3.0h

Estimated Build Time

📊

Intermediate

Difficulty

📏

20cm × 14cm × 13cm

Dimensions

Build Highlights:

Clever mechanical integration allowing the cauldron to open up into a classroom
Satisfying use of black and dark bluish gray slopes to achieve the rounded cauldron shape
Detailed interior with removable tables, potion bottles, and brick-built ingredients
Includes Hermione’s Otter Patronus element as a magical bonus

📈 Investment Analysis

AI-assisted investment analysis, grounded in our LEGO database and public community discussions. How we use AI

Not enough price history for a trend

B+

Investment Grade

⏳ Current release

Harry Potter sets with unique, interactive gimmicks almost always capture strong secondary market attention once they retire. With 661 pieces at a $59.99 price point, the price-per-piece ratio is very healthy, and the inclusion of popular characters like Professor Snape and Hermione ensures baseline character-driven demand. While it may not command the explosive appreciation of a massive Direct-to-Consumer modular castle set, niche display pieces like this tend to steadily creep up in value among collectors who love quirky set designs. Expect modest, reliable growth post-retirement.

Not Financial Advice: Content is for educational purposes only. Past performance doesn't guarantee future results. Full disclaimer

⚖ Compare Similar Sets

Hogwarts Moment: Potions Class

Harry Potter • 271 pcs

$29.99

Hogwarts Castle: Potions Class

Harry Potter • 397 pcs

$37.99

Ollivanders & Madam Malkin's Robes

Harry Potter • 744 pcs

$89.99

Compared to standard modular Hogwarts classroom sets, the 76464 Cauldron leans heavily into novelty display rather than traditional castle connectivity. While sets like the Potions Class classrooms offer straightforward modular play, this set trades standard walls for an immersive, transforming playset gimmick similar to past magical trunk or book sets.

2 Minifigures Included

Hermione Granger, Gryffindor Robe Closed, Skirt

5 parts

Professor Severus Snape, Long Robes over Black Vest

4 parts

B+

Includes Professor Severus Snape and Hermione Granger, featuring lovely detailed printing that fits right into any Hogwarts classroom display.

📦 Parts Inventory

Official piece count: 652
Parts cataloged in this inventory: 127 unique parts, 652 pieces
Minifigures: 2

LEGO counts 652 pieces. This inventory comes from a separate parts catalog and lists 661, including the 9 parts inside the minifigures; the two do not always count the same elements, so their totals differ. Spare parts are counted in neither figure.

Missing a piece? Check this set piece by piece, with look-alike colors flagged and element IDs for replacements.

Sticker Sheet for...

Part #: 10115116 1× [No Color/Any Color]

Brick Special 1 x...

Part #: 11211 5× Light Bluish Gray

Plate Special 1 x...

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Plate Special 1 x...

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Brick Curved 2 x ...

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Brick Curved 2 x ...

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Brick Arch 1 x 3 ...

Part #: 13965 8× Light Bluish Gray

Brick Curved 2 x ...

Part #: 15068 1× Dark Purple

Brick Curved 2 x ...

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Brick Round 2 x 2...

Part #: 15395 2× Black

Brick Round 2 x 2...

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Plate Special 1 x...

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Brick Sloped 45° ...

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Tile Special 1 x ...

Part #: 15712 1× Reddish Brown

Plate Special Rou...

Part #: 18674 3× Blue Violet

Plate Special Rou...

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Plate Special Rou...

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Brick Special 1 x...

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Tile Special Roun...

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Tile Special Roun...

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Brick Wedged, Slo...

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Brick Special 1 x...

Part #: 22885 2× Dark Bluish Gray

Plate Round Half ...

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Brick 2 x 2 Corner

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Brick 2 x 2 Corner

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Brick 2 x 2 Corner

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Plate 2 x 2 Corner

Part #: 2420 12× Light Bluish Gray

Plate 2 x 2 Corner

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Tile Round 1 x 1 ...

Part #: 24246 3× Blue Violet

Wedge Plate 3 x 3...

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Brick 2 x 6

Part #: 2456 1× Green

Brick 2 x 6

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Plant, Flower, Pl...

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Food Egg with 1.5...

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Brick Round 1 x 1...

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Tile Round 1 x 1 ...

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Tile Round 1 x 1 ...

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Plate Special 1 x...

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Brick Special 1 x...

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Tile 4 x 4 Curved...

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Brick Sloped Inve...

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Tile 2 x 2 Curved...

Part #: 27925 8× Dark Tan

Minifig Head with...

Part #: 28621pr0044 1× Trans-Clear

Brick Wedged, Cur...

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Brick Wedged, Cur...

Part #: 29120 8× Black

Brick 1 x 2

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Brick 1 x 2

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Brick 1 x 1

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Brick 1 x 1

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Brick 1 x 6

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Brick Round 2 x 2...

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Plate 2 x 4

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Plate 2 x 4

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Plate 2 x 4

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Plate 2 x 3

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Plate 2 x 3

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Plate 2 x 2

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Plate 2 x 2

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Plate 2 x 2

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Plate 1 x 2

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Plate 1 x 2

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Plate 1 x 2

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Plate 1 x 1

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Plate 1 x 1

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Plate 1 x 1

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Plate Round Corne...

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Bar 4L (Lightsabe...

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Plate Round Corne...

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Technic Ball Joint

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Equipment Wand [I...

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Technic Axle 4

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Brick Sloped 33° ...

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Plate 1 x 10

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Panel 1 x 2 x 1 [...

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Tile 1 x 2 with S...

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Plate Special 1 x...

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Plate Special 1 x...

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Plate 1 x 12

Part #: 60479 2× Dark Bluish Gray

Plate Special 1 x...

Part #: 60897 4× Dark Bluish Gray

Technic Pin with ...

Part #: 61332 5× Black

Plate Round 1 x 1...

Part #: 6141 2× Trans-Red

Plate Round 1 x 1...

Part #: 6141 2× Trans-Yellow

Plate Round 1 x 1...

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Plate Round 1 x 1...

Part #: 6141 2× Trans-Dark Blue

Technic Pin Conne...

Part #: 62462 5× Reddish Brown

Plate Special 8-S...

Part #: 65092 1× Opal Trans-Clear

Technic Pin Conne...

Part #: 65487 1× Black

Technic Axle 1.5 ...

Part #: 6553 2× Black

Tile Round 2 x 4

Part #: 66857 1× Black

Animal, Otter [Pl...

Part #: 67631 1× Opal Trans-Light Blue

Bar 1L / Stem wit...

Part #: 68211 1× Bright Green

Plate Round Corne...

Part #: 68568 8× Dark Bluish Gray

Tile Round 6 x 6 ...

Part #: 7212pr0005 1× Black

Brick Round Corne...

Part #: 76797 4× Black

Brick Sloped Inve...

Part #: 76959 4× Dark Bluish Gray

Bar 2L with Stop ...

Part #: 78258 1× Black

Plate 1 x 5

Part #: 78329 12× Dark Bluish Gray

Tile 3 x 3 Curved...

Part #: 79393 1× Dark Purple

Plate Round Corne...

Part #: 80015 8× Black

Plate Round Corne...

Part #: 80015 8× Reddish Brown

Equipment Cutlery...

Part #: 80179 1× Flat Silver

Plate Round 1 x 1...

Part #: 85861 8× Pearl Gold

Plate 1 x 1 x 2/3...

Part #: 86996 4× Light Bluish Gray

Technic Axle 4 wi...

Part #: 87083 2× Dark Bluish Gray

Brick Special 1 x...

Part #: 87087 4× Reddish Brown

Brick Special 1 x...

Part #: 87087 7× Dark Bluish Gray

Bar 3L

Part #: 87994 6× Reddish Brown

Bar 3L

Part #: 87994 1× Blue

Brick Arch 1 x 6 ...

Part #: 92950 2× Dark Bluish Gray

Brick Round Corne...

Part #: 95188 16× Black

Brick and Axle Se...

Part #: 96874 1× Dark Turquoise

Tile Round 1 x 1

Part #: 98138 4× Reddish Brown

Tile Round 1 x 1

Part #: 98138 1× Black

Tile Round 1 x 1

Part #: 98138 3× Tan

Tile Round 1 x 1

Part #: 98138 4× Trans-Purple

Bracket 1 x 2 - 2...

Part #: 99207 1× Dark Bluish Gray

Bracket 1 x 2 - 1...

Part #: 99781 4× Black

Heavy on black and dark bluish gray structural elements, making it an exceptional parts pack for curved shaping, arches, and custom MOC foundations.

🛒 Where to Buy

eBay

Search listings

→

💎 Notable Parts

Black Brick Round Corner 6 x 6 with 33° Slope and Facet Cutout (16x) $4.80

Black Plate Round Corner 5 x 5 with 4 x 4 Round Cutout (8x) $3.20

Dark Tan Tile 2 x 2 Curved, Macaroni (8x) $1.60

Light Bluish Gray Brick Arch 1 x 3 x 3 [Gothic] (8x) $2.40

Est. BrickLink Part Value

$12.00

💡 MOC Potential

🧙 Custom underground dungeons and secret magical laboratories

🏰 Expanded Hogwarts modular basement levels and potions stores

🌳 Giant magical artifacts and fantasy landscape focal points

Community Insights

Real opinions from Reddit and YouTube

What Reddit Says

No Reddit discussions found for this set.

What YouTubers Say

Based on 4 videos

3.0 /5

Mixed

0% positive

BlockTalk AI

Early LEGO Harry Potter 2026 set reviews, including Ashnflash's look at the Cauldron: Secret Potions Classroom (76464), are primarily neutral previews of upcoming releases. The focus is on introducing the set rather than expressing strong opinions or in-depth critiques.

LEGO Harry Potter's Fresh Start! | 76426 + 76430 Review

Brick Built Benny • 44.9K views Review

LEGO Harry Potter Cauldron: Secret Potions Classroom (76464) - 2026 Set Review

Ashnflash • 8.0K views Review

KOCIOŁEK: SEKRETNA SALA ZAJĘĆ Z ELIKSIRÓW 🧪 LEGO HARRY POTTER 76464 RECENZJA

Brodaty Geek • 5.4K views Review

Community Sentiment

Based on 4 YouTube reviews

Not enough Reddit data

YouTube

3.0 /5

Mixed

0% positive

Positive

Mixed

Critical

BlockTalk AI Analysis

What the Community Says

4 YouTube reviews

BlockTalk AI Summary

Ashnflash provides a first look at the Cauldron set, while other channels like Solid Brix Studios offer broader reviews of the LEGO Harry Potter wave. Channels such as Brick Built Benny review multiple sets simultaneously, placing the Cauldron set within the larger context of the new Hogwarts releases.