- Children aged 8 and up can enjoy an immersive single or multiplayer augmented reality (AR) experience with this LEGO® lighthouse of darkness playset – that cleverly combines physical and digital LEGO play.
- What’s in the box? This AR playset includes a digitally interactive Hidden Side lighthouse model with cliff, rocks and a jetty, plus a jet ski and Jack, Parker, Skeleton, Jennie Napo and Claus Stormward minifigures.
- This LEGO® lighthouse model reveals an amazing digital world when viewed through a smart device equipped with the Hidden Side AR app. Kids then get to hunt ghosts, solve mysteries and battle boss ghost Joe Ishmael.
- Looking for an ideal birthday or any-other-day gift for kids aged 8 and up? This LEGO® Hidden Side augmented reality toy makes a great gift for LEGO building fans and kids who love virtual reality and video games.
- When built, the multifunctional LEGO® Hidden Side The Lighthouse of Darkness (70431) model measures over 11" (29cm) high, 8" (22cm) wide and 7" (18cm) deep.
- Battery-free building toy. The Hidden Side AR app is compatible with selected iOS and Android devices. Please check compatibility at www.LEGO.com/devicecheck. Children should ask parents' permission before going online.
- Getting started with this LEGO® Hidden Side augmented reality building kit is child's play. You'll find easy-to-follow building instructions in the box and online. So tear open the brick bags and let the fun begin!
- The LEGO® Hidden Side universe isset in the fictional town of Newbury, where ghosts haunt people and buildings. The augmented reality play experience is constantly enhanced through new content, ghosts and events.
- LEGO® Hidden Side AR toys meet the highest industry standards and quality criteria to ensure that the LEGO bricks and pieces are consistent, compatible and continue to connect and pull apart easily – every time.
- At the LEGO Group, we drop, heat, crush, twist and analyze our building bricks and pieces to make sure every playset meets the highest global safety and quality standards.
LEGO® Hidden Side 70431 The Lighthouse of Darkness
Current best price
LEGO 70431 is currently available from $119.99 incl. shipping at Walmart.com. Only one retailer in our comparison stocks it.
Updated October 26, 2026 at 9:00 AM EDT
LEGO 70431 price comparison: where is it cheapest?
Prices incl. shipping to the US ·
Brickfact may earn a commission when you buy through a merchant link. Commissions do not determine the order of offers. How Brickfact compares prices
iFurther information
The Lego set The Lighthouse of Darkness with the set number 70431 is part of the LEGO Hidden Side theme and is recommended for ages 8+. It was released in January 2020. It includes 5 minifigures. The model has 540 pieces, and we estimate it takes around 1 - 2 hours to build. It was designed by Niek van Slagmaat.117 Brickfact users have this set in their collection.
The set weighs about 0.950 kg. The box measures 18.9 x 11.1 x 2.4 in (48 x 28.2 x 6.1 cm). The recommended retail price is $49.99.
Our Brickfact Lego price comparison compares the prices of 1 shop for this set. It is currently cheapest at Walmart.com for $119.99 including shipping. That is $0.22 per piece. Unfortunately, the set is currently not available below its recommended retail price.
The Part-Out-Value (POV) is the sum of the average prices paid on bricklink.com for all parts of this set. It is about $77.11.
Lego 70431 product data
Set Information
Set ID
70431
Theme
Pieces
540
Designer
Niek van Slagmaat
Building Time
1 - 2 hours
Age Range
8+
Minifigures
5
Availability
Release
01/2020
Retiring Status
Retired (12/2020)
Price Information
RRP
$49.99
Insiders Points (for purchase at Lego)
325
Part Out Value
$77.11
Packaging
Weight
0.950 kg
Packaging dimensions
18.9 x 11.1 x 2.4 in
EAN (GTIN13)
5702016616125
Popularity with Brickfact users
- users have this set
- 117
117 Brickfact users have The Lighthouse of Darkness in their collection.
Based on anonymized Brickfact user collections; shown only for sets with at least 10 users. As of October 26, 2026.
LEGO 70431 price trend
Average sale price on secondary marketplaces – not the new price at retailers.
- Current market value
- $56.88
- Growth vs. RRP
- +13.8 % $49.99
- Range
- $55.43 – $58.63
- Average
- $56.70
Loading price history…
LEGO 70431 price history: how has the price changed?
Brickfact has been recording retailer prices since 10/12/2026. Best price so far: $119.99 (14 days ago).
- Current best price
- $119.99 +140% vs. RRP
- Best price since 10/12/2026
- $119.99 +140% vs. RRP · 14 days ago
Daily lowest prices at the tracked shops, including shipping. Gaps indicate days with no recorded price. The table lists each shop’s lowest price.
Lowest price per retailer (since 10/12/2026)
| Retailer | Current | Lowest price | Date |
|---|---|---|---|
 Walmart.com | $119.99 | $119.99 | 10/26/26 |
Lowest price per day that Brickfact recorded at the retailers in the price comparison, including shipping where known – as in the comparison above. Amazon offers are not included in the price history.
Minifigures from 70431 The Lighthouse of Darkness
The The Lighthouse of Darkness set includes 5 different minifigures, 3 of which are unique to this set. The combined value of the minifigures is $12.83, which is ~26% of the RRP of this set.
x1
Skeleton with Standard Skull, Bent Arms Vertical Grip
Holiday & Event
2013
#gen047
$1.28
i
27 sets
x1
Jack Davids
Hidden Side
2020
#hs052
$2.35
Unique
x1
Parker L. Jackson
Hidden Side
2020
#hs053
$2.02
2 sets
x1
Claus Stormward
Hidden Side
2020
#hs054
$4.57
Unique
x1
Jennie Napo
Hidden Side
2020
#hs055
$2.61
Unique
Official Set Description for LEGO 70431 The Lighthouse of Darkness
Welcome to the LEGO® Hidden Side universe, where physical and digital worlds merge to provide an incredible, single or multiplayer augmented reality (AR) experience. This lighthouse of darkness (70431) playset combines the open creative play of LEGO building toys with app so that interaction with the model triggers events in the digital world.
Cool interactive building toy for kids
Simply scan this lighthouse of darkness model with a smart device, equipped with the free Hidden Side AR app, to reveal an amazing digital world. Here, kids can explore and solve mysteries, hunt ghosts and battle the boss ghost Joe Ishmael. And with 5 cool minifigures, they also get to enjoy endless hands-on LEGO role-play fun!
An ever-changing digital play experience
The LEGO Hidden Side universe is set in the fictional town of Newbury, where ghosts haunt people and buildings. The augmented reality play experience is constantly enhanced through new content, ghosts and special events.
Building Instruction for LEGO 70431 The Lighthouse of Darkness
Part Lists for LEGO 70431 The Lighthouse of Darkness
LEGO 70431 Frequently Asked Questions
How much does LEGO 70431 The Lighthouse of Darkness cost?
The lowest price in the Brickfact price comparison is currently $119.99 incl. shipping at Walmart.com. The RRP is $49.99.
Where can I buy LEGO 70431 cheapest?
Only one retailer in the Brickfact price comparison currently stocks LEGO 70431: Walmart.com ($119.99).
Is LEGO 70431 still available?
LEGO has retired 70431 The Lighthouse of Darkness. New copies are still available at 1 retailers in our price comparison while stocks last.
When was LEGO 70431 cheapest?
Since tracking began on 10/12/2026, the lowest shop price recorded by Brickfact for LEGO 70431 was $119.99 on 10/12/2026 at Walmart.com, including shipping. Amazon prices are not included.
