Beware! It Bites!
Build the Chomping Monster Book

Recreate the iconic Harry Potter textbook with 519 pieces and a chomping action. Includes a Neville Longbottom minifigure!

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Hogwarts Express - Collectors' Edition (76405)

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🏛 Harry Potter
Set #76449

Chomping Monster Book of Monsters

The Chomping Monster Book of Monsters is a delightful and interactive Harry Potter set.

🏆 Best For: Harry Potter fans and LEGO enthusiasts who enjoy interactive display models ⏱ 4.5 hr build 🧩 519 pcs 🎂 Ages 9+
★★★★☆ 4.2

Fans praise the set's interactive chomping feature and accurate representation of the Monster Book of Monsters. Some criticisms include the relatively simple build and the desire for more character minifigures.

MSRP
$59.99
Best Price
$53.99
You Save
10% OFF
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📝 Our Take

The Chomping Monster Book of Monsters is a delightful and interactive Harry Potter set. This set perfectly captures the quirky and dangerous nature of the book, bringing a memorable Hogwarts moment to life with its chomping action and detailed design.

This set is perfect for Harry Potter fans of all ages, especially those who enjoy interactive builds. It offers a fun and engaging building experience, and the final model makes for a great display piece or a playful desk accessory.

Skip this if you're looking for a more challenging or complex build. This set is relatively straightforward, so if you prefer intricate designs, consider larger Harry Potter sets like Hogwarts Castle or Diagon Alley.

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How does the chomping mechanism work? What other interactive features could be added to LEGO books? How does this set compare in value to other Harry Potter sets with similar piece counts? Where is the best place to display this set to show off its chomping action?

🧱 Building Experience

🧩
519
Pieces
4.5h
Build Time
📊
Intermediate
Difficulty
📏
16cm × 15cm × 6cm
Dimensions
Build Highlights:
  • The pull-back mechanism that activates the chomping action is cleverly integrated.
  • Uses a variety of curved slopes and tiles to create the book's organic shape.
  • The Monster Book of Monsters has a fun play feature with hidden wheels.
  • The book design is instantly recognizable to fans of the Harry Potter series.

📈 Investment Analysis

→ Price stable
B
Investment Grade
⏳ Active
The Chomping Monster Book of Monsters has decent investment potential, driven by the enduring popularity of the Harry Potter theme. Its unique interactive feature and display value make it appealing to collectors. The set's relatively low piece count and price point may limit significant appreciation, but its collectibility as a Harry Potter item should ensure it holds its value well. Keep an eye on retirement announcements, as scarcity will drive demand.

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

📖 About This Set

Put the magic of Hogwarts™ lessons in the hands of your young wizard, witch or Muggle™ with the LEGO® Harry Potter™ Chomping Monster Book of Monsters building toy (76449). The fun fantasy set features a detailed brick-built recreation of The Monster Book of Monsters, the sentient textbook used in the care of magical creatures. The model has hidden wheels and a pull-back function – so place it on a flat surface, pull back, let it go and watch it speed away with its mouth chomping.

A wizard holiday gift or birthday present for boys, girls and any Harry Potter fans aged 9 and up, this kids’ building toy also includes a Neville Longbottom™ LEGO minifigure with a The Monster Book of Monsters accessory element. The buildable toy book and minifigure can be used with other LEGO Harry Potter collectible sets (sold separately) to give kids extra spellbinding play possibilities.

  • Wizard toy book – Create a brick-built Chomping Monster Book of Monsters with this fun LEGO® Harry Potter™ fantasy set for kids aged 9 and up
  • Pull-back action – The book has hidden wheels and a pull-back function, so simply place it on a flat surface, pull back, let go and watch it speed away with its mouth chomping as it goes
  • Authentic details – This set offers a fun building challenge for kids to recreate the furry details on the book cover in LEGO® style, plus its eyes, teeth and fangs
  • Harry Potter™ character – Display the buildable book with the Neville Longbottom™ LEGO® minifigure holding The Monster Book of Monsters accessory element
  • Wizard gift for Harry Potter™ fans – This kids’ building toy makes a fantastic birthday present or holiday gift for girls, boys and any wizards, witches or Muggles™ aged 9 and up
  • A helping hand – The LEGO® Builder app guides your youngster on an intuitive building adventure with tools that let them zoom in and rotate models in 3D, track theirprogress and save sets
  • Part of an extensive range – LEGO® Harry Potter™ collectible sets (sold separately) let young witches, wizards and Muggles™ play out iconic scenes, make up new stories or simply display the models
  • Build, display and play –The buildable monster book in this 518-piece LEGO® set measures over 6.5 in. (16 cm) long, 5.5 in. (15 cm) wide and 2.5 in. (6 cm) deep

Compare Similar Sets

This set offers a unique interactive element compared to static display models. While other Harry Potter sets focus on recreating locations or scenes, the Chomping Monster Book of Monsters provides a fun, engaging experience. Consider sets like 76428-1 Hagrid’s Hut: An Unexpected Visit for a similar price point but different play experience, or 76414-1 Expecto Patronum for a display piece. This set stands out for its distinct character and interactive feature.

1 Minifigures Included

The set includes Neville Longbottom in Gryffindor robes with short legs, a common but welcome addition for expanding your Hogwarts student collection.

📦 Full Parts Inventory - 103 unique parts • 456 total pieces

Plate Special 1 x 2 with Pin Hole on Top Plate Special 1 x...
Part #: 11458 Reddish Brown
Plate Special 1 x 2 with Pin Hole on Top Plate Special 1 x...
Part #: 11458 18× Black
Slope Curved 2 x 1 No Studs [1/2 Bow] Slope Curved 2 x ...
Part #: 11477 Dark Brown
Pullback Motor 6 x 3 x 5 Pullback Motor 6 ...
Part #: 12799 Dark Bluish Gray
Animal Body Part, Horn (Cattle) / Tentacle / Vine / Branch / Tongue - Long Animal Body Part,...
Part #: 13564 Reddish Brown
Slope Curved 2 x 2 x 2/3 Slope Curved 2 x ...
Part #: 15068 18× Reddish Brown
Slope Curved 2 x 2 x 2/3 Slope Curved 2 x ...
Part #: 15068 Dark Pink
Plate Special 1 x 2 with Three Teeth [Tri-Tooth] Plate Special 1 x...
Part #: 15208 Dark Tan
Tile Special 1 x 2 with Two Vertical Teeth / Tooth Tile Special 1 x ...
Part #: 15209 12× Reddish Brown
Technic Axle 5 with Stop Technic Axle 5 wi...
Part #: 15462 Reddish Brown
Tile Special 1 x 1 with Clip with Rounded Edges Tile Special 1 x ...
Part #: 15712 Reddish Brown
Technic Pin Connector Round 1L [Beam] Technic Pin Conne...
Part #: 18654 Lime
Plate Round Corners 2 x 6 Double Plate Round Corne...
Part #: 18980 Reddish Brown
Technic Pin Connector Hub with 1 Axle Technic Pin Conne...
Part #: 22961 Red
Technic Pin Connector Hub with 1 Axle Technic Pin Conne...
Part #: 22961 Blue
Bar Holder with Hole and Bar Handle Bar Holder with H...
Part #: 23443 12× Medium Nougat
Tile 1 x 4 with Groove Tile 1 x 4 with G...
Part #: 2431 Tan
Book Binding with Two Studs Book Binding with...
Part #: 24324 Reddish Brown
Brick Round 1 x 1 diameter Tube with 90 Degree Elbow (2 x 2 x 1) and Axle Holes (Crossholes) at each end Brick Round 1 x 1...
Part #: 25214 Dark Tan
Tile Round 1 x 1 Quarter Tile Round 1 x 1 ...
Part #: 25269 Dark Brown
Tile Round 1 x 1 Quarter Tile Round 1 x 1 ...
Part #: 25269 Dark Pink
Plate Special 2 x 3 with Rocks Plate Special 2 x...
Part #: 27261 14× Reddish Brown
Plate Special 2 x 3 with Rocks Plate Special 2 x...
Part #: 27261 Dark Brown
Plate Special 2 x 3 with Rocks Plate Special 2 x...
Part #: 27261 White
Tile 2 x 2 Curved, Macaroni Tile 2 x 2 Curved...
Part #: 27925 10× Reddish Brown
Technic Pin Connector Hub with 2 Axles Technic Pin Conne...
Part #: 27940 Dark Bluish Gray
Bracket 1 x 2 - 1 x 4 [Rounded Corners at Bottom, Square Corners at Top] Bracket 1 x 2 - 1...
Part #: 28802 12× Reddish Brown
Slope Curved 2 x 1 with Stud Notch Right Slope Curved 2 x ...
Part #: 29119 Dark Red
Slope Curved 2 x 1 with Stud Notch Left Slope Curved 2 x ...
Part #: 29120 Dark Red
Plate 2 x 4 Plate 2 x 4
Part #: 3020 Dark Brown
Plate 1 x 2 Plate 1 x 2
Part #: 3023 Tan
Plate 4 x 6 Plate 4 x 6
Part #: 3032 Reddish Brown
Tile 2 x 2 with Tan 'of' print Tile 2 x 2 with T...
Part #: 3068bpr9313 Reddish Brown
Tile 2 x 2 with Tan 'The' print Tile 2 x 2 with T...
Part #: 3068bpr9314 Reddish Brown
Tile 1 x 2 with Groove Tile 1 x 2 with G...
Part #: 3069b Tan
Tile 1 x 2 with Groove Tile 1 x 2 with G...
Part #: 3069b Medium Azure
Technic Axle and Pin Connector Angled #6 - 90° Technic Axle and ...
Part #: 32014 Black
Technic Brick 1 x 14 [13 Pin Holes] Technic Brick 1 x...
Part #: 32018 Light Bluish Gray
Plate Special 1 x 2 with Door Rail Plate Special 1 x...
Part #: 32028 10× Tan
Technic Axle and Pin Connector Angled #2 - 180° Technic Axle and ...
Part #: 32034 Light Bluish Gray
Technic Bush 1/2 Smooth with Axle Hole Semi-Reduced Technic Bush 1/2 ...
Part #: 32123b Dark Pink
Technic Ball Joint Technic Ball Joint
Part #: 32474 Blue
Technic Beam 3 x 5 L-Shape Thick Technic Beam 3 x ...
Part #: 32526 White
Plate Special 2 x 2 with Only 2 studs Plate Special 2 x...
Part #: 33909 Tan
Plate Special 1 x 3 with 2 Studs with Groove and Inside Stud Holder (Jumper) Plate Special 1 x...
Part #: 34103 Reddish Brown
Plate 1 x 8 Plate 1 x 8
Part #: 3460 Sand Green
Plate 1 x 8 Plate 1 x 8
Part #: 3460 Dark Tan
Plate 1 x 8 Plate 1 x 8
Part #: 3460 Reddish Brown
Bar 1L with Clip [Cut Edges and One Side Hole] [Full Clip] Bar 1L with Clip ...
Part #: 3484 10× Reddish Brown
Technic Driving Ring Extension, 8 Ridges Technic Driving R...
Part #: 35186 Dark Bluish Gray
Plate Special 1 x 2 Rounded with 2 Open Studs Plate Special 1 x...
Part #: 35480 16× Tan
Plate 1 x 6 Plate 1 x 6
Part #: 3666 White
Plate 1 x 6 Plate 1 x 6
Part #: 3666 Tan
Technic Pin without Friction Ridges Lengthwise Technic Pin witho...
Part #: 3673 Light Bluish Gray
Equipment Wand [Individual] Equipment Wand [I...
Part #: 36752a Dark Brown
Bracket 1 x 1 - 1 x 1 Bracket 1 x 1 - 1...
Part #: 36841 Black
Technic Axle 6 Technic Axle 6
Part #: 3706 Red
Technic Axle 8 Technic Axle 8
Part #: 3707 Black
Plate 1 x 4 Plate 1 x 4
Part #: 3710 Red
Plate 1 x 4 Plate 1 x 4
Part #: 3710 Medium Azure
Plate 1 x 4 Plate 1 x 4
Part #: 3710 Reddish Brown
Technic Bush Technic Bush
Part #: 3713 Black
Hinge Brick 1 x 2 Base Hinge Brick 1 x 2...
Part #: 3937 Tan
Plate 6 x 6 Plate 6 x 6
Part #: 3958 Reddish Brown
Technic Driving Ring Connector Smooth [2 rounded and 2 flat side walls] Technic Driving R...
Part #: 42195 Red
Technic Driving Ring Connector Smooth [2 rounded and 2 flat side walls] Technic Driving R...
Part #: 42195 Blue
Technic Pin 1/2 Technic Pin 1/2
Part #: 4274 White
Technic Pin Long with Friction Ridges Lengthwise, 1 Center Slot Technic Pin Long ...
Part #: 42924 Blue
Technic Beam 1 x 2 Thick Technic Beam 1 x ...
Part #: 43857 Dark Bluish Gray
Plate 1 x 10 Plate 1 x 10
Part #: 4477 Black
Plate Special 1 x 8 with Door Rail Plate Special 1 x...
Part #: 4510 Reddish Brown
Plate Special 1 x 8 with Door Rail Plate Special 1 x...
Part #: 4510 Tan
Technic Axle 3 Technic Axle 3
Part #: 4519 Yellow
Plate Special 1 x 2 [Side Handle Closed Ends] Plate Special 1 x...
Part #: 48336 Red
Brick Curved 1 x 1 x 2/3 Double Curved Top, No Studs Brick Curved 1 x ...
Part #: 49307 Reddish Brown
Plate Special 1 x 1 with Tooth Plate Special 1 x...
Part #: 49668 White
Plate Special 1 x 1 with Tooth Plate Special 1 x...
Part #: 49668 Dark Brown
Animal Body Part, Barb / Claw / Tooth / Talon / Horn, Small Animal Body Part,...
Part #: 53451 Dark Tan
Slope 30° 1 x 1 x 2/3 (Cheese Slope) Slope 30° 1 x 1 x...
Part #: 54200 Dark Pink
Slope 30° 1 x 1 x 2/3 (Cheese Slope) Slope 30° 1 x 1 x...
Part #: 54200 Dark Brown
Slope 30° 1 x 1 x 2/3 (Cheese Slope) Slope 30° 1 x 1 x...
Part #: 54200 Tan
Plant / Creature Body Part, Vine / Tail / Tentacle / Bionicle Spine, Spiky Plant / Creature ...
Part #: 55236 Reddish Brown
Wheel 18 x 14 with Pin Hole, Fake Bolts and Shallow Spokes Wheel 18 x 14 wit...
Part #: 55981 White
Wheel 18mm x 14mm with Axle Hole, Fake Bolts and Shallow Spokes Wheel 18mm x 14mm...
Part #: 55982 Black
Technic Axle Connector Smooth [with x Hole + Orientation] Technic Axle Conn...
Part #: 59443 Yellow
Plate Special 1 x 2 with Clips Horizontal [Open O Clips] Plate Special 1 x...
Part #: 60470b Red
Plate 1 x 12 Plate 1 x 12
Part #: 60479 White
Plate Special 1 x 1 with Clip Horizontal [Thick Open O Clip] Plate Special 1 x...
Part #: 61252 Black
Technic Pin with Friction Ridges Lengthwise with No Center Slots Technic Pin with ...
Part #: 61332 Black
Hinge Brick 2 x 2 Top Plate Thin Hinge Brick 2 x 2...
Part #: 6134 Tan
Technic Pin Connector Round [Slotted] Technic Pin Conne...
Part #: 62462 White
Plate Special 1 x 2 with Clip Horizontal on End Plate Special 1 x...
Part #: 63868 Reddish Brown
Technic Axle and Pin Connector Perpendicular Triple Technic Axle and ...
Part #: 63869 Lime
Technic Axle Pin 3L without Friction Ridges and 2L Axle Technic Axle Pin ...
Part #: 65249 White
Technic Pin Long with Friction Ridges Lengthwise and Stop Bush [2 Lateral Holes, Small Pin Hole] Technic Pin Long ...
Part #: 65304 Orange
Technic Axle and Pin Connector Perpendicular Technic Axle and ...
Part #: 6536 Red
Technic Axle and Pin Connector Perpendicular Technic Axle and ...
Part #: 6536 Blue
Technic Cam Technic Cam
Part #: 6575 Black
Technic Cam Technic Cam
Part #: 6575 White
Tile 1 x 6 with Groove Tile 1 x 6 with G...
Part #: 6636 Tan
Book Cover, Fangs On Edge with Medium Nougat Fur, White Fangs print Book Cover, Fangs...
Part #: 68505pr0002 Reddish Brown
Plate Round Corner 3 x 3 with 2 x 2 Round Cutout Plate Round Corne...
Part #: 68568 Reddish Brown
Tile 2 x 6 with Tan 'Monster Book' print Tile 2 x 6 with T...
Part #: 69729pr0052 Reddish Brown
Tile 2 x 6 with Tan 'Monsters' print Tile 2 x 6 with T...
Part #: 69729pr0053 Reddish Brown
Technic Pin Long 3l, No Friction Ridges, with Stop and Hole Technic Pin Long ...
Part #: 77765 Light Bluish Gray
Plate Special 1 x 4 Rounded with 2 Open Studs Plate Special 1 x...
Part #: 77845 Reddish Brown
Plate Special 1 x 3 Rounded with 3 Open Studs Plate Special 1 x...
Part #: 77850 Orange
Bar 2L with Stop in Center Bar 2L with Stop ...
Part #: 78258 White
Bracket 1 x 1 - 1 x 2 Bracket 1 x 1 - 1...
Part #: 79389 White
Plate Round Corner 2 x 2 with 1 x 1 Cutout Plate Round Corne...
Part #: 79491 10× Reddish Brown
Technic Connector 1 x 2 x 4 with 2 Pin Holes, 2 Axle Holes Technic Connector...
Part #: 80910 White
Plate Round 1 x 1 with Open Stud Plate Round 1 x 1...
Part #: 85861 12× Dark Tan
Technic Pin 1/2 with Friction Technic Pin 1/2 w...
Part #: 89678 Red
Plate 2 x 14 Plate 2 x 14
Part #: 91988 Tan
Plate 2 x 14 Plate 2 x 14
Part #: 91988 Red
Tyre 30.4 x 14 Offset Tread [Centre Band] Tyre 30.4 x 14 Of...
Part #: 92402 Black
Slope Curved 4 x 1 Double with No Studs Slope Curved 4 x ...
Part #: 93273 Tan
Bracket 1 x 2 - 2 x 4 Bracket 1 x 2 - 2...
Part #: 93274 12× White
Brick and Axle Separator v2.0 Brick and Axle Se...
Part #: 96874 Orange
Tile Round 1 x 1 with White Dot/Circle/Eye print Tile Round 1 x 1 ...
Part #: 98138pr0107 Black
Bracket 1 x 2 - 2 x 2 Inverted Bracket 1 x 2 - 2...
Part #: 99207 Medium Azure
Bracket 1 x 2 - 2 x 2 Inverted Bracket 1 x 2 - 2...
Part #: 99207 Red
Bracket 1 x 2 - 1 x 2 Inverted Bracket 1 x 2 - 1...
Part #: 99780 Reddish Brown
Bracket 1 x 2 - 1 x 2 Inverted Bracket 1 x 2 - 1...
Part #: 99780 12× Yellow
Bracket 1 x 2 - 1 x 2 Bracket 1 x 2 - 1...
Part #: 99781 Black
This set features a high concentration of reddish-brown curved slopes and plates, useful for creating organic shapes and textures in MOCs. The tan rounded plates with open studs also offer unique building possibilities.

🛒 Where to Buy

eBay
✓ In Stock
$53.99
LEGO (UK)
✓ In Stock
£54.99
Walmart
✓ In Stock
$56.99
Target
✓ In Stock
$59.99
LEGO (DE)
✓ In Stock
€59.99
LEGO (US)
✓ In Stock
$59.99
LEGO (CA)
✓ In Stock
$79.99
Amazon

💎 Notable Parts

Reddish Brown Slope Curved 2 x 2 x 2/3 (18x) $2.70
Reddish Brown Plate Special 2 x 3 with Rocks (14x) $2.10
Reddish Brown Tile Special 1 x 2 with Two Vertical Teeth / Tooth (12x) $3.60
Tan Plate Special 1 x 2 Rounded with 2 Open Studs (16x) $2.40
Dark Brown Plate Special 2 x 3 with Rocks (9x) $1.35
Est. BrickLink Part Value
$12.15

💡 MOC Potential

🧙 Spellbooks with different magical effects
🌳 Monster plant from Herbology class
🤖 Mechanical pet with moving parts

Community Insights

Real opinions from Reddit and YouTube

What Reddit Says

No Reddit discussions found for this set.

What YouTubers Say

Based on 6 videos
3.3 /5
Mixed
17% positive
BlockTalk AI

Overall sentiment for LEGO Harry Potter sets is mixed, with a focus on specific sets rather than the Monster Book of Monsters. While some reviewers praise sets like "Voldemort's Rise" (75965) as potentially the "best of the year", the overall sentiment is neutral due to the variety of sets covered.

Community Sentiment

Based on 6 YouTube reviews

Reddit

Not enough Reddit data

YouTube

3.3 /5
Mixed
17% positive
1
Positive
5
Mixed
0
Critical
BlockTalk AI Analysis

Overall sentiment for LEGO Harry Potter sets is mixed, with a focus on specific sets rather than the Monster Book of Monsters. While some reviewers praise sets like "Voldemort's Rise" (75965) as potentially the "best of the year", the overall sentiment is neutral due to the variety of sets covered.

What the Community Says

6 YouTube reviews
BlockTalk AI Summary

Brickstory highly praised "Voldemort's Rise" (75965) early review while MandRproductions reviewed the Monster Book of Monsters (30628) from 2020, noting its retail price of $20. Tiago Catarino offered a review of multiple non-Hogwarts Castle Harry Potter sets with a wide range of offerings.

Community Content: These reviews are from Reddit and YouTube users sharing their personal experiences. Opinions may vary.

📖 Building Instructions 2

Chomping Monster Book of Monsters Instructions
BI 3106, 140+4, 76449 V29
Download PDF
Chomping Monster Book of Monsters Instructions
BI 3106, 140+4, 76449 V39
Download PDF

Charts Inventory Statistics

103
Unique Parts
456
Total Pieces
1
Minifigures
Inventory Version: 1