Dive into Adventure!
The Black Lake Awaits

Relive the Triwizard Tournament's thrilling second task with 349 pieces and 5 minifigures, including Harry Potter, Viktor Krum, and a Merperson!

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🏛 Harry Potter
Set #76420

Triwizard Tournament: The Black Lake

The Triwizard Tournament: The Black Lake set is a charming underwater adventure.

🏆 Best For: Harry Potter fans, kids aged 8+, and collectors looking for a fun, accessible build ⏱ 2 hr build 🧩 349 pcs 🎂 Ages 8+
★★★★☆ 4.1 from 1 reviews

Fans appreciate the unique underwater setting and the exclusive Viktor Krum minifigure, but some find the build a bit simple for the price. The play features and overall design are generally well-received.

MSRP
$44.99
Best Price
$40.49
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10% OFF
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📝 Our Take

The Triwizard Tournament: The Black Lake set is a charming underwater adventure. It captures a memorable scene from Harry Potter and the Goblet of Fire, bringing the magic of the Triwizard Tournament to life with its unique underwater setting and detailed minifigures.

This set is perfect for Harry Potter fans of all ages, especially those who enjoy recreating iconic movie moments. The build is relatively straightforward, making it a fun and engaging experience for younger builders, while the display potential and included minifigures will appeal to older collectors.

Skip this if you're looking for a challenging build or a large, complex model. This set is smaller and more focused on playability and character interaction. Consider sets like Hogwarts Castle or Diagon Alley for more intricate builds and larger displays.

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How does this set compare to other Triwizard Tournament sets in terms of accuracy and detail? What are some creative ways to display this set with other Harry Potter LEGO models? Is this set a good value for the price, considering the piece count and minifigure selection? How durable is the build, and is it suitable for active play?

🧱 Building Experience

🧩
349
Pieces
2h
Build Time
📊
Beginner
Difficulty
📏
18cm × 12cm × 6cm
Dimensions
Build Highlights:
  • Creating the underwater environment with flexible LEGO elements
  • Assembling the arch ruin and caves to mimic the Black Lake
  • Using the minifigure-diving function on the pier
  • Posing the minifigures to recreate scenes from the movie

📈 Investment Analysis

→ Price stable
B
Investment Grade
⏳ Active
The Triwizard Tournament: The Black Lake set has moderate investment potential. Its appeal lies in the enduring popularity of the Harry Potter theme and the inclusion of exclusive minifigures like Viktor Krum with a shark head. While the piece count is relatively low, the set's manageable price point and the likelihood of retirement within a few years could drive up its value on the secondary market. However, its smaller size and focus on playability might limit its appreciation compared to larger, more intricate Harry Potter sets.

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

📖 About This Set

Kids can stage a spellbinding contest with the LEGO® Harry Potter™ Triwizard Tournament™: The Black Lake (76420) playset. A top gift idea for kids aged 8 and up, it features a buildable underwater scene with an arch ruin, 2 caves and flexible LEGO elements to create the effect of 2 minifigures floating. There is also a pier model, with a minifigure-diving function, which can be placed on top of the underwater scene.

Iconic characters
Bring a classic Harry Potter and the Goblet of Fire™ scene to life with 5 LEGO minifigures, including Harry Potter with flipper elements and Viktor Krum with a shark head element to help them rescue Hermione Granger™ and Ron Weasley™. Fans will also be inspired to play by the Merperson minifigure, new-for-March-2023 Grindylow figure and accessory elements such as the Gillyweed potion.

App-assisted building
Let the LEGO Builder app guide your youngster on a building adventure where they can zoom in and rotate models in 3D, save sets and track theirprogress.

  • Stage a magical contest – Kids can play out Triwizard Tournament™ tasks at the Black Lake from Harry Potter and the Goblet of Fire™ with this LEGO® Harry Potter™ building set (76420) for ages 8 and up
  • 5 LEGO® minifigures and 2 LEGO figures – Harry Potter™ with flipper elements, Viktor Krum with a shark head element, Hermione Granger™, Ron Weasley™ and a Merperson, plus Grindylow and crab figures
  • Black Lake underwater scene – Features a buildable arch ruin with 2 flexible LEGO® elements to create the effect of Hermione Granger™ and Ron Weasley™ floating, plus 2 caves with hidden treasure
  • Buildable pier model and rowboat – The pier features a minifigure-diving function and a rotating clock, plus accessory elements inside including a kettle and Gillyweed potion
  • Gift idea – Give this 349-piece buildable LEGO® Harry Potter™ playset as a surprise reward, birthday present or holiday gift to kids who are into Harry Potter and the Wizarding World
  • Build, play and display – The pier model measures over 7 in. (18 cm) high, 5 in. (12 cm) wide and 2.5 in. (6 cm) deep and can be placed on top of the underwater scene
  • 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, save sets and track their progress
  • Part of an extensive assortment – LEGO® Harry Potter™ toy building sets let young wizards, witches and Muggles™ role-play iconic scenes, make up their own adventures orsimply display the models
  • High quality – Since 1958, LEGO® components have complied with stringent industry quality standards to ensure they connect consistently and securely
  • Safety first – LEGO® bricks and pieces are tested in almost every way imaginable to make sure they comply with rigorous global safety standards

Compare Similar Sets

Compared to other Harry Potter sets in a similar price range, the Triwizard Tournament: The Black Lake set offers a unique underwater setting and a focus on a specific scene from the movies. While sets like the Room of Requirement or Dumbledore's Office might offer more building complexity, this set stands out for its playability and the inclusion of exclusive minifigures. Collectors who prioritize character selection and recreating movie moments might prefer this set over others with more generic builds.

5 Minifigures Included

The set includes several unique minifigures, most notably Viktor Krum with a shark head, making it a desirable addition for collectors. The inclusion of sleeping Ron and Hermione adds a fun, playful element to the set.

📦 Full Parts Inventory - 115 unique parts • 318 total pieces

Minifig Footwear Flipper [Thick] Minifig Footwear ...
Part #: 10190 Light Nougat
Plate Special 1 x 2 with Clip Horizontal on Side Plate Special 1 x...
Part #: 11476 Reddish Brown
Slope Curved 2 x 1 No Studs [1/2 Bow] Slope Curved 2 x ...
Part #: 11477 Dark Blue
Wedge Sloped Inverted 4 x 4 Triple [4 Connections between Front Studs] Wedge Sloped Inve...
Part #: 13349 Reddish Brown
Brick Arch 1 x 3 x 3 [Gothic] Brick Arch 1 x 3 ...
Part #: 13965 Reddish Brown
Brick Arch 1 x 3 x 3 [Gothic] Brick Arch 1 x 3 ...
Part #: 13965 Dark Turquoise
Tile Round 2 x 2 with Bottom Stud Holder with Clock with Red Second Hand Print Tile Round 2 x 2 ...
Part #: 14769pr1172 White
Fence Spindled 1 x 4 x 2 [4 Top Studs] Fence Spindled 1 ...
Part #: 15332 White
Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper) Plate Special 1 x...
Part #: 15573 Reddish Brown
Slope 45° 2 x 1 with 2/3 Cutout [New Version] Slope 45° 2 x 1 w...
Part #: 15672 Black
Tile Special 1 x 1 with Clip with Rounded Edges Tile Special 1 x ...
Part #: 15712 Pearl Gold
Plate Special 1 x 2 with Pin Hole Underneath Plate Special 1 x...
Part #: 18677 Black
Fence Spindled 4 x 4 x 2 Quarter Round with 3 Studs Fence Spindled 4 ...
Part #: 21229 White
Bar 2L with Towball Bar 2L with Towball
Part #: 22484 Dark Bluish Gray
Brick Special 1 x 2 x 1 2/3 with 4 Studs on 1 Side Brick Special 1 x...
Part #: 22885 Light Bluish Gray
Plate Round Half 4 x 8 Plate Round Half ...
Part #: 22888 Dark Tan
Equipment Goblet / Glass Equipment Goblet ...
Part #: 2343 Pearl Gold
Bar Holder with Hole and Bar Handle Bar Holder with H...
Part #: 23443 Black
Brick 2 x 2 Corner Brick 2 x 2 Corner
Part #: 2357 White
Large Figure Weapon Lightsaber Hilt with Axle Hole and Two Bar Holders Large Figure Weap...
Part #: 24122 Dark Tan
Plate 2 x 2 Corner Plate 2 x 2 Corner
Part #: 2420 Light Bluish Gray
Plate 2 x 12 Plate 2 x 12
Part #: 2445 Black
Brick 2 x 6 Brick 2 x 6
Part #: 2456 Light Bluish Gray
Plant, Flower, Plate Round 1 x 1 with 5 Petals Plant, Flower, Pl...
Part #: 24866 10× Bright Green
Plate Special 1 x 2 Side Handle [Free Ends] Plate Special 1 x...
Part #: 2540 Dark Bluish Gray
Tile 4 x 4 Curved, Macaroni Tile 4 x 4 Curved...
Part #: 27507 Light Bluish Gray
Brick 2 x 4 Brick 2 x 4
Part #: 3001 Dark Turquoise
Brick 2 x 3 Brick 2 x 3
Part #: 3002 Dark Bluish Gray
Brick 2 x 2 Brick 2 x 2
Part #: 3003 Dark Blue
Brick 1 x 2 Brick 1 x 2
Part #: 3004 Light Bluish Gray
Plant, Sea Grass Plant, Sea Grass
Part #: 30093 Bright Green
Brick 1 x 4 Brick 1 x 4
Part #: 3010 Dark Turquoise
Brick Special 1 x 2 Palisade [aka Log] Brick Special 1 x...
Part #: 30136 White
Brick Special 1 x 2 Palisade [aka Log] Brick Special 1 x...
Part #: 30136 Dark Bluish Gray
Brick Special 1 x 2 Palisade [aka Log] Brick Special 1 x...
Part #: 30136 Reddish Brown
Plate 2 x 4 Plate 2 x 4
Part #: 3020 Black
Plate 2 x 4 Plate 2 x 4
Part #: 3020 Dark Blue
Plate 2 x 4 Plate 2 x 4
Part #: 3020 Sand Green
Plate 2 x 3 Plate 2 x 3
Part #: 3021 Dark Bluish Gray
Plate 2 x 3 Plate 2 x 3
Part #: 3021 Sand Green
Plate 2 x 2 Plate 2 x 2
Part #: 3022 Pearl Gold
Plate 1 x 2 Plate 1 x 2
Part #: 3023 Dark Tan
Plate 1 x 2 Plate 1 x 2
Part #: 3023 Dark Bluish Gray
Plate 1 x 2 Plate 1 x 2
Part #: 3023 Bright Light Orange
Plate 1 x 2 Plate 1 x 2
Part #: 3023 Light Bluish Gray
Plate 4 x 6 Plate 4 x 6
Part #: 3032 Dark Tan
Plate 2 x 8 Plate 2 x 8
Part #: 3034 Dark Tan
Plate 4 x 8 Plate 4 x 8
Part #: 3035 White
Slope 45° 2 x 2 Slope 45° 2 x 2
Part #: 3039 Dark Turquoise
Slope 45° 2 x 2 Slope 45° 2 x 2
Part #: 3039 Light Bluish Gray
Slope 45° 2 x 1 with Bottom Pin Slope 45° 2 x 1 w...
Part #: 3040b Sand Green
Brick Special 1 x 4 with 4 Studs on One Side Brick Special 1 x...
Part #: 30414 Dark Bluish Gray
Brick Round 1 x 1 Open Stud Brick Round 1 x 1...
Part #: 3062b White
Brick Round 1 x 1 Open Stud Brick Round 1 x 1...
Part #: 3062b Trans-Green
Brick Round 1 x 1 Open Stud Brick Round 1 x 1...
Part #: 3062b Dark Bluish Gray
Tile 2 x 2 with Groove Tile 2 x 2 with G...
Part #: 3068b Black
Tile 1 x 2 with Groove Tile 1 x 2 with G...
Part #: 3069b Reddish Brown
Technic Ball Joint Technic Ball Joint
Part #: 32474 Black
Axle Hose, Soft 7L Axle Hose, Soft 7L
Part #: 32580 Black
Creature, Grindylow with Black Eyes, Mouth print Creature, Grindyl...
Part #: 3269pr0001 Opal Trans-Brown
Plate Round 1 x 1 with Hollow Stud and Horizontal Bar 1L Plate Round 1 x 1...
Part #: 32828 Sand Green
Plate Round 1 x 1 with Hollow Stud and Horizontal Bar 1L Plate Round 1 x 1...
Part #: 32828 Pearl Gold
Slope 33° 3 x 2 Slope 33° 3 x 2
Part #: 3298 Black
Animal, Crab Animal, Crab
Part #: 33121 Bright Light Orange
Cone 1 1/2 x 1 1/2 x 2/3 Cone 1 1/2 x 1 1/...
Part #: 33492 Light Bluish Gray
Plate 6 x 14 Plate 6 x 14
Part #: 3456 Dark Blue
Plate Special 1 x 2 Rounded with 2 Open Studs Plate Special 1 x...
Part #: 35480 Sand Green
Brick 1 x 3 Brick 1 x 3
Part #: 3622 Dark Blue
Brick 1 x 3 Brick 1 x 3
Part #: 3622 Sand Green
Minifig Head [Plain] [Hollow Stud] Minifig Head [Pla...
Part #: 3626c Light Bluish Gray
Brick Arch 1 x 4 Brick Arch 1 x 4
Part #: 3659 Dark Bluish Gray
Slope Inverted 45° 2 x 1 Slope Inverted 45...
Part #: 3665 Dark Blue
Plate 1 x 6 Plate 1 x 6
Part #: 3666 Sand Green
Plate 1 x 6 Plate 1 x 6
Part #: 3666 Light Bluish Gray
Technic Pin without Friction Ridges Lengthwise Technic Pin witho...
Part #: 3673 Light Bluish Gray
Equipment Wand [Individual] Equipment Wand [I...
Part #: 36752a Dark Brown
Slope 65° 2 x 2 x 2 with Bottom Tube Slope 65° 2 x 2 x...
Part #: 3678b Dark Blue
Technic Brick 1 x 2 [1 Pin Hole] Technic Brick 1 x...
Part #: 3700 White
Technic Brick 1 x 2 [1 Pin Hole] Technic Brick 1 x...
Part #: 3700 Dark Turquoise
Plate 1 x 4 Plate 1 x 4
Part #: 3710 Light Bluish Gray
Technic Axle Pin without Friction Ridges Lengthwise Technic Axle Pin ...
Part #: 3749 Tan
Plate 2 x 6 Plate 2 x 6
Part #: 3795 Black
Plate 2 x 10 Plate 2 x 10
Part #: 3832 Dark Turquoise
Equipment Cup / Mug [Plain] Equipment Cup / M...
Part #: 3899 Flat Silver
Plate Special 1 x 1 with Clip Light, Bar Hole [Thick Ring] Plate Special 1 x...
Part #: 4081b Black
Tile 1 x 8 with Groove Tile 1 x 8 with G...
Part #: 4162 Light Bluish Gray
Plate Special 1 x 4 with 2 Studs with Groove [New Underside] Plate Special 1 x...
Part #: 41740 Dark Bluish Gray
Technic Pin 1/2 Technic Pin 1/2
Part #: 4274 Light Bluish Gray
Slope 33° 3 x 1 Slope 33° 3 x 1
Part #: 4286 Sand Green
Wedge Plate 3 x 2 Right Wedge Plate 3 x 2...
Part #: 43722 Dark Tan
Wedge Plate 3 x 2 Left Wedge Plate 3 x 2...
Part #: 43723 Dark Tan
Support Round 1 x 1 x 6 Solid Pillar Support Round 1 x...
Part #: 43888 Reddish Brown
Dish 2 x 2 Inverted [Radar] Dish 2 x 2 Invert...
Part #: 4740 Dark Bluish Gray
Rock Panel 2 x 4 x 6 Rock Panel 2 x 4 x 6
Part #: 47847 Dark Blue
Slope Inverted 45° 4 x 2 Double with 2 x 2 Recessed Slope Inverted 45...
Part #: 4871 Reddish Brown
Slope Curved 3 x 1 No Studs Slope Curved 3 x ...
Part #: 50950 Dark Turquoise
Slope 30° 1 x 1 x 2/3 (Cheese Slope) Slope 30° 1 x 1 x...
Part #: 54200 Sand Green
Plant / Creature Body Part, Vine / Tail / Tentacle / Bionicle Spine, Spiky Plant / Creature ...
Part #: 55236 Green
Cone 1 x 1 [Top Groove] Cone 1 x 1 [Top G...
Part #: 59900 Black
Cone 1 x 1 [Top Groove] Cone 1 x 1 [Top G...
Part #: 59900 Sand Green
Bar 7 x 3 with Double Clips (Ladder) [Straight Clips] Bar 7 x 3 with Do...
Part #: 6020 Black
Slope 65° 2 x 1 x 2 Slope 65° 2 x 1 x 2
Part #: 60481 Dark Blue
Window 1 x 2 x 2 Flat Front Window 1 x 2 x 2 ...
Part #: 60592 White
Glass for Window 1 x 2 x 2 Flat Glass for Window ...
Part #: 60601 Trans-Clear
Plate Special 1 x 1 with Clip Horizontal [Thick Open O Clip] Plate Special 1 x...
Part #: 61252 Bright Green
Bar 6L with Stop Ring Bar 6L with Stop ...
Part #: 63965 Black
Animal, Fish [Hollow Stud Mouth] Animal, Fish [Hol...
Part #: 64648 Yellowish Green
Technic Brick 1 x 1 with Pin Hole Technic Brick 1 x...
Part #: 6541 Reddish Brown
Technic Axle 3 with Stud Technic Axle 3 wi...
Part #: 6587 Dark Tan
Tile 1 x 6 with Groove Tile 1 x 6 with G...
Part #: 6636 Dark Blue
Tile 1 x 6 with Groove Tile 1 x 6 with G...
Part #: 6636 Dark Tan
Tile 2 x 6 Tile 2 x 6
Part #: 69729 Reddish Brown
Brick Curved, 3 x 1 with 1/3 Inverted Cutout Brick Curved, 3 x...
Part #: 70681 Sand Green
Brick Curved, Internal Double, 3 x 3 with 1/3 Inverted Cutout, Corner Brick Curved, Int...
Part #: 73682 Sand Green
Plate 1 x 5 Plate 1 x 5
Part #: 78329 Dark Blue
Hair Short Coiled, Straight Sides Hair Short Coiled...
Part #: 79688 Black
Plate Round 1 x 1 with Open Stud Plate Round 1 x 1...
Part #: 85861 Black
Slope 30° 1 x 2 x 2/3 Slope 30° 1 x 2 x...
Part #: 85984 Dark Turquoise
Tile 2 x 4 with Groove Tile 2 x 4 with G...
Part #: 87079 Light Bluish Gray
Tile 2 x 4 with Groove Tile 2 x 4 with G...
Part #: 87079 Medium Nougat
Brick Special 1 x 1 with Stud on 1 Side Brick Special 1 x...
Part #: 87087 Sand Green
Plate Special 2 x 2 with Groove and Center Stud (Jumper) Plate Special 2 x...
Part #: 87580 Bright Green
Plate Special 2 x 2 with Groove and Center Stud (Jumper) Plate Special 2 x...
Part #: 87580 Sand Green
Equipment Oar / Paddle [Reinforced] Equipment Oar / P...
Part #: 87585 Reddish Brown
Creature Body Part, Horn (Unicorn) Creature Body Par...
Part #: 89522 Sand Green
Wedge Plate 3 x 4 with Stud Notches [Reinforced Underside] Wedge Plate 3 x 4...
Part #: 90194 Reddish Brown
Weapon Trident Weapon Trident
Part #: 92290 Pearl Gold
Chain 6L [5 Links] Chain 6L [5 Links]
Part #: 92338 Flat Silver
Plate 8 x 16 Plate 8 x 16
Part #: 92438 Dark Tan
Brick Arch 1 x 6 Raised Arch Brick Arch 1 x 6 ...
Part #: 92950 Dark Turquoise
Brick Arch 1 x 6 Raised Arch Brick Arch 1 x 6 ...
Part #: 92950 Reddish Brown
Slope Curved 4 x 1 Double with No Studs Slope Curved 4 x ...
Part #: 93273 Reddish Brown
Tile Round 1 x 1 Tile Round 1 x 1
Part #: 98138 Dark Turquoise
Tile Round 1 x 1 Tile Round 1 x 1
Part #: 98138 Medium Nougat
Brick Special 1 x 2 with Masonry Brick Profile Brick Special 1 x...
Part #: 98283 Sand Green
Plate Special 2 x 2 x 2/3 with Two Studs On Side and Two Raised Plate Special 2 x...
Part #: 99206 Sand Green
Tile Special 1 x 2 with Sloped Walls AKA Money / Gold Bar [Ingot] Tile Special 1 x ...
Part #: 99563 12× Sand Green
The set features a good selection of Sand Green elements, which are useful for creating natural landscapes and underwater scenes. The inclusion of masonry bricks and curved slopes adds texture and detail to the build.

🛒 Where to Buy

LEGO (UK)
✓ In Stock
£39.99
eBay
✓ In Stock
$40.49
Walmart
✓ In Stock
$42.74
Target
✓ In Stock
$44.99
LEGO (DE)
✓ In Stock
€44.99
LEGO (US)
✓ In Stock
$44.99
LEGO (CA)
✓ In Stock
$59.99
Amazon

💎 Notable Parts

Sand Green Tile Special 1 x 2 with Sloped Walls AKA Money / Gold Bar [Ingot] (12x) $1.80
Bright Green Plant, Flower, Plate Round 1 x 1 with 5 Petals (10x) $0.50
Sand Green Brick Special 1 x 2 with Masonry Brick Profile (8x) $0.80
Dark Turquoise Brick Arch 1 x 3 x 3 [Gothic] (6x) $1.20
Est. BrickLink Part Value
$4.30

💡 MOC Potential

🌳 Expand the Black Lake scene with additional aquatic plants and creatures
🏰 Incorporate the arch ruin into a larger underwater castle or fortress
🧙 Create a custom Triwizard Tournament challenge course with additional obstacles

Community Insights

Real opinions from Reddit and YouTube

What Reddit Says

No Reddit discussions found for this set.

What YouTubers Say

Based on 3 videos
5.0 /5
Very Positive
100% positive
BlockTalk AI

Community Sentiment

Based on 3 YouTube reviews

Reddit

Not enough Reddit data

YouTube

5.0 /5
Very Positive
100% positive
3
Positive
0
Mixed
0
Critical
Common Feedback
+ Build
BlockTalk AI Analysis

Charts Inventory Statistics

115
Unique Parts
318
Total Pieces
5
Minifigures
Inventory Version: 1