LEGO Harry Potter - Triwizard Tournament: The Black Lake

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This product is In stock with Mighty Ape

The item is brand new and in-stock in a Mighty Ape warehouse. The item will ship within the timeframe shown.

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8% of people buy LEGO Harry Potter: Triwizard Tournament: The Black Lake - (76420) and LEGO Harry Potter: Dobby the House-Elf - (76421).

Buy together: $107.81


Let kids play out their own Triwizard Tournament underwater rescue at the Black Lake, inspired by this magical LEGO® Harry Potter™ playset

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 over, 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.

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 their progress.


  • Stage a magical contest.
  • Kids can play out Triwizard Tournament tasks at the Black Lake.
  • The set comes with 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.
  • Features a buildable arch ruin with 2 flexible LEGO® elements.
  • Create the effect of Hermione Granger and Ron Weasley floating, plus 2 caves.
  • The pier features a minifigure-diving function and a rotating clock.
  • Plus accessory elements inside including a kettle and Gillyweed potion.
  • Give this LEGO® Harry Potter™ playset as a surprise reward or a gift.
  • The pier model measures over 18 × 12 × 6 cm
  • It can be placed on top of the underwater scene


Item: 76420
Pieces: 349
Ages: 8+

Release date Australia
April 1st, 2023
Manufacturer code:
Recommended Age
9 years or over
Original Release Year
Box Dimensions (mm)
Product ID

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