BUILT TO LAST
Designed for Australian conditions
Engineered to withstand the harshest climates and built to last with premium materials, this product is crafted with care for everyday Australian life.
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40,000+ Australian customers · Australian-owned & operated
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Overview
Recreate a dramatic Triwizard TournamentTM task
Kids can stage a spellbinding contest with the LEGO® Harry PotterTM Triwizard TournamentTM: 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 that can be placed on top of the underwater scene.
Iconic characters
Bring a classic Harry Potter and the Goblet of FireTM 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 GrangerTM and Ron WeasleyTM. Fans will also be inspired to play by the Merperson minifigure, the new 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 TournamentTM tasks at the Black Lake from Harry Potter and the Goblet of FireTM with this LEGO® Harry PotterTM building set (76420) for ages 8 and up
- 5 LEGO® minifigures and 2 LEGO figures: Harry PotterTM with flipper elements, Viktor KrumTM with a shark head element, Hermione GrangerTM, Ron WeasleyTM, 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 GrangerTM and Ron WeasleyTM floating, plus 2 caves with hidden treasure
- Buildable pier model and rowboat: The pier features a miniature 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 PotterTM 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 PotterTM toy building sets let young wizards, witches and MugglesTM 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
26.2x28.2x5.9cm
Specifications
Specifications will vary by product. Please refer to the product description above or contact us before ordering if you need a specific measurement.
Shipping & Returns
Shipping
Orders are dispatched from our Sydney warehouse within 1–2 business days of payment. Delivery times from Sydney:
- NSW & ACT: 2–5 business days
- VIC & QLD: 2–7 business days
- SA: 3–8 business days
- TAS: 4–10 business days
- WA: 5–10 business days
Tracking is provided on dispatch. Remote postcodes may incur additional fees.
30-day change-of-mind returns
We offer a 30-day change-of-mind return on select unopened products in original packaging (excluding health/safety items or bulk purchases). Email us within 30 days of delivery to start a return.
A restocking fee of 7–25% applies, plus return postage (unless approved otherwise). Customer-incurred postage costs are non-refundable without prior approval.
Faulty or damaged on arrival
If your product arrives faulty or damaged, contact our support team with your order number, photos/videos of the fault, and the original packaging. Do not return items without a return authorisation.
Warranty
12-month Australian warranty on this product unless noted otherwise. The warranty covers manufacturing defects under normal use.
The warranty does not cover:
- Damage caused by misuse, incorrect installation, or modification.
- Damage during delivery (claim under shipping policy instead).
- Normal wear and tear.
To claim warranty: contact our support team with your order number, photos/videos of the fault, and a brief description. We will assess the claim and offer a replacement, repair, or refund as appropriate.
Complete the set
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Total price
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Why Aussies Shop With Auzzi
A registered Australian business with real local support, transparent pricing, and fair returns.
Australian Business
ABN 79 670 758 782. Registered in Australia.
Fast Australia-Wide Dispatch
Ships fast from our Sydney warehouse.
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30-Day Returns
Change-of-mind returns within 30 days.