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Compare 1 retailers.

Retailer prices for 71377 are sorted by the latest lowest price.

Retailer prices
# Retailer Stock Shipping Last seen Discount Total
01
In stock
Unknown shipping
31 May updated
-
€69,95 €49,99
1 retailers compared

Price history 71377

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
€69,95
14 Dec 2025 · BuildingToys
Peak price
€89,99
15 Dec 2025 · Bol.com
Average
€74,14
48% above RRP
RRP
€49,99
reference price

Daily lowest price tracked across 4 Dutch retailers. The dotted line marks LEGO's recommended retail price.

Source: daily measurement at 4 Dutch retailers, 14 Dec 2025 – 31 May 2026. RRP via LEGO.com.

Last 12 price points for LEGO 71377 King Boo and the Haunted Yard
Date Price Retailer Stock
€69,95 BuildingToys In stock
€69,95 BuildingToys In stock
€69,95 BuildingToys In stock
€69,95 BuildingToys In stock
€69,95 BuildingToys In stock
€69,95 BuildingToys In stock
€69,95 BuildingToys In stock
€69,95 BuildingToys In stock
€69,95 BuildingToys In stock
€69,95 BuildingToys In stock
€69,95 BuildingToys In stock
€69,95 BuildingToys 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 €67,85 within 60 days
Vs. today -€2,10 3% saving

Projected price path

Actual price Predicted path 80% interval
60-day window Model v1 · 274 historic points
Price position +++
Near lowest yet
We compare current price against RRP and lowest tracked price.
Retailer pressure ++
1 retailers compared
More retailers usually means more competition on the lowest price.
Stock +
1 in stock
Availability lowers the chance of a scarcity premium.
History base
274 points
The v1 migration uses this as a transparent baseline.
Based on 274 price points · 1 retailers · transparent baseline How this model works

About this set

What to know about LEGO 71377 before you buy.

For LEGO King Boo and the Haunted Yard (71377), we track 1 retailer in the Netherlands, with 1 currently in stock. The current lowest price is €69,95. Use price history and stock data to judge whether this is a good time to buy.

LEGO® Super Mario™ fans will love the spooky challenges in this King Boo and the Haunted Yard Expansion Set (71377). A fun gift for kids to add to the LEGO Super Mario Starter Course (71360), this collectible toy features King Boo, 2 Goombas, and 4 Swoop figures for action-packed gameplay. To reach the hidden Super Star, players must stomp on Goombas and a spider web, flip a tree, and then stomp the spinning Swoops to topple King Boo. Exciting app Make building this set even more fun with the intuitive Instructions PLUS on the free LEGO Super Mario app. It features digital viewing tools and creative suggestions for alternative ways to build and play, and is a safe platform for fans to share ideas. Limitless gameplay Perfect for fun competitions with friends or solo gameplay, LEGO Super Mario toy playsets bring a family-favorite character into the real world. The Starter Course, Expansion Sets, and Power-Up Packs nurture kids’ problem-solving creativity. * Fans can create frightfully fun, stomping, spinning challenges to add to their LEGO® Super Mario™ Starter Course with this action-packed King Boo and the Haunted Yard Expansion Set (71377). * This LEGO® Super Mario™ toy playset features 2 Goombas, 4 Swoops, and a King Boo for gameplay action as players guide LEGO® Mario™ (figure not included; find in the Starter Course) through the brick-built haunted yard. * After defeating the Goombas, stomping on a spider web, and flipping a tree to collect digital coins, LEGO® Mario™ (figure not included) must jump on the spinning Swoops until King Boo is toppled to reveal the Super Star. * A super birthday or holiday gift for kids aged 8 and up, this 431-piece LEGO® toy playset inspires children to create their own unique levels to add to their Adventures with Mario Starter Course (71360). * This modular set measures over 6.5” (17.5cm) high, 16.5” (42.5cm) wide, and 10.5” (27.5cm) deep in its basic formation. It can be rearranged and combined with the Starter Course and other Expansion Sets in many ways. * No batteries required for this creative building toy – power up the gameplay by adding it to the Starter Course. * The free LEGO® Super Mario™ app has cool viewing tools to make building more fun and gives kids a safe platform for sharing creative ideas. For a list of compatible Android and iOS devices, visit LEGO.com/devicecheck. * Collectible LEGO® Super Mario™ construction toys bring a family-favorite character into the real world, offering fans unlimited ways to expand, rebuild, and create new challenges to master in group or solo gameplay. * Since 1958, LEGO® building bricks have met the highest industry standards. They connect perfectly and pull apart easily every time, so there’s no need for a Super Star’s power to build or rebuild! * LEGO® bricks and pieces are tested in almost every way imaginable so you can be sure that every LEGO toy building set meets the highest safety and quality standards.

Frequently asked questions

Quick answers about price, stock and set data.

What is the lowest price for King Boo and the Haunted Yard?
The lowest current price we show is €69,95.
Has LEGO 71377 ever been cheaper?
The lowest historical price was €69,95 on 14 Dec 2025 at BuildingToys.
How many pieces does LEGO 71377 have?
This set has 431 pieces.
What year is this set from?
LEGO 71377 was released in 2020.
What is the RRP for LEGO 71377?
LEGO's recommended retail price is €49,99.
What is the recommended age for LEGO 71377?
LEGO recommends ages 8+ for this set.
Is LEGO 71377 still available?
Yes, this set is currently available at 1 retailer.
Which retailers do you compare?
We currently compare 1 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.