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Lowest price: €44,95 Retailers: 2

Compare 2 retailers.

Retailer prices for 76420 are sorted by the latest lowest price.

Retailer prices
# Retailer Stock Shipping Last seen Discount Total
01
In stock
Unknown shipping
24 May updated
-
€44,95 €44,99
02
In stock
Unknown shipping
24 May updated
-
€59,99 €44,99
2 retailers compared

Price history 76420

Full price history at a glance.

We check Dutch retailers every day. This graph shows the full daily-low price series we have for this set.

Lowest yet
€44,95
16 Mar 2026 · Made in Billund
Peak price
€65,99
8 Jan 2026 · Bol.com
Average
€52,20
16% above RRP
RRP
€44,99
reference price

Daily lowest price tracked across 8 Dutch retailers. The dotted line marks LEGO's recommended retail price.

Source: daily measurement at 8 Dutch retailers, 14 Dec 2025 – 24 May 2026. RRP via LEGO.com.

Last 12 price points for LEGO 76420 Triwizard Tournament: The Black Lake
Date Price Retailer Stock
€59,99 Unieke Bricks In stock
€44,95 Made in Billund In stock
€44,95 Made in Billund In stock
€59,99 Unieke Bricks In stock
€59,99 Unieke Bricks In stock
€44,95 Made in Billund In stock
€59,99 Unieke Bricks In stock
€44,95 Made in Billund In stock
€44,95 Made in Billund In stock
€59,99 Unieke Bricks In stock
€59,99 Unieke Bricks In stock
€44,95 Made in Billund In stock
- BricksDeal Forecast Beta

Price will likely hold steady.

Calibrated forecast based on historical pricing, seasonal patterns and retailer behavior. Tuned conservatively: rather cautious than optimistic.

Drop likelihood Next 60 days
28%
Low · ±6%

Low likelihood of further drops. Current price is near the all-time low.

Expected low €43,60 within 60 days
Vs. today -€1,35 3% saving
Buy now anyway

Projected price path

Actual price Predicted path 80% interval
60-day window Model v1 · 341 historic points
Price position +++
Near lowest yet
We compare current price against RRP and lowest tracked price.
Retailer pressure ++
2 retailers compared
More retailers usually means more competition on the lowest price.
Stock +
2 in stock
Availability lowers the chance of a scarcity premium.
History base
341 points
The v1 migration uses this as a transparent baseline.
Based on 341 price points · 2 retailers · transparent baseline How this model works

About this set

How LEGO 76420 compares to RRP and history.

For LEGO Triwizard Tournament: The Black Lake (76420), we track 2 retailers in the Netherlands, with 2 currently in stock. The current lowest price is €44,95. Use price history and stock data to judge whether this is a good time to buy.

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 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 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, 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

Frequently asked questions

Quick answers about price, stock and set data.

What is the lowest price for Triwizard Tournament: The Black Lake?
The lowest current price we show is €44,95.
Has LEGO 76420 ever been cheaper?
The lowest historical price was €44,95 on 16 Mar 2026 at Made in Billund.
How many pieces does LEGO 76420 have?
This set has 349 pieces.
What year is this set from?
LEGO 76420 was released in 2023.
What is the RRP for LEGO 76420?
LEGO's recommended retail price is €44,99.
What is the recommended age for LEGO 76420?
LEGO recommends ages 8+ for this set.
Is LEGO 76420 still available?
Yes, this set is currently available at 2 retailers.
Which retailers do you compare?
We currently compare 2 retailer prices for this set.
How often do you update prices?
We check prices multiple times per day at every tracked retailer and publish the most recent value on this page.