Lego Harry Potter Triwizard Tournament: The Black Lake 76420

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.

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 their progress.


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 over
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 rowing boat – 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 Christmas gift to kids who are into Harry Potter and the Wizarding World
Build, play and display – The pier model measures over 18 cm (7 in.) high, 12 cm (5 in.) wide and 6 cm (2.5 in.) 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 or simply 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