LEGO 70427 Welcome to the Hidden Side is a Hidden Side set valued at $37 for new and sealed sets, up 86% from an original retail price of $19.99. The set retired in August 2021 with annual appreciation averaging 9.63% since. Used copies are valued between $16 and $21 depending on condition. Secondary market prices for new and sealed sets typically fall between $29 and $50. Its market is on firmer footing right now, with a value on the rise as well as growth ahead of similar sets.

Welcome to the Hidden Side Value (New/Sealed)

This chart represents the current new/sealed value of the set Welcome to the Hidden Side since August 2021. Very high accuracy
LEGO 70427 Welcome to the Hidden Side is a Hidden Side set released in 2020, containing 189 pieces and 4 minifigures. The set builds a haunted tree model that integrates with the LEGO Hidden Side AR app for digital ghost-hunting gameplay, including encounters with the boss ghost Lady E. Minifigures include ghost-hunter Jack, possessed Axel Chops, Scrimper, and Waylon. The physical model supports app-based single- and multiplayer interactions.

A new Welcome to the Hidden Side sells for around $37 today, after averaging 9.6% growth a year since retirement. Give it five years and our forecast has it near $48. The average used price is $18 for those in good overall condition. The 4 included minifigs account for approximately 35% of the set's total value. New and sealed listings currently range from $37 to $50. The set was available for 19 months, from January 2020 to August 2021.
Collector and Investor Standing
Hidden Side gives collectors a physical build that opens up ghost hunting through an app, and this set has Waylon, Scrimper, Axel Chops, and a hoodie clad Jack Davids found nowhere else. That gives it a solid place in the line, while frequent secondary market trades and rising activity put it on firm footing for investors.
64/100
Collector
A steady following
Unique minifigures give this set its appeal
71/100
Investor
Stronger than most
Hidden Side trades are picking up

For Sale (New/Sealed)

(US) NEW Lego 70427 Hidden Side Welcome to the Hidden Side
BrickEconomy Choice
$29.99
(US) Hidden Side: Welcome to the Hidden Side (70427) $35.00
-6.0%
(US) Hidden Side 70427 Welcome to the Hidden Side 189 pcs App-Enabled Box 7+ $35.00
-6.0%
(CA) Set 70427 Welcome to the Hidden Side New Sealed 189 Pieces $35.36
-5.0%
(US) New LEGO HIDDEN SIDE: Welcome to the Hidden Side (70427) $35.99
-3.3%
(US) HIDDEN SIDE WELCOME TO THE HIDDEN SIDE #70427 FACTORY SEALED $37.00
-0.6%
(US) Hidden Side Welcome To The Hidden Side #70427 New Sealed $37.99
+2.0%
(US) Hidden Side 70427 Welcome to the Hidden Side Set New Sealed Retired $38.00
+2.1%
(US) HIDDEN SIDE: Welcome to the Hidden Side 70427 New Fast Ship $38.00
+2.1%
(US) Hidden Side Welcome to the Hidden Side 70427 189pcs App-Enabled 7+ $39.99
+7.4%
(US) 70427 Hidden Side Welcome To The Hidden Side 189 Pcs Building Toy 7+ $42.00
+12.8%
(FR) HIDDEN SIDE 70427 - WELCOME TO THE HIDDEN SIDE $44.57
+19.7%
(US) Welcome to the Hidden Side from BrickLink seller littlemoe $45.29
+21.6%
(US) Retired Lego Hidden Side Welcome To The Hidden Side #70427 $45.00
+20.9%
Picked for your regionShow 5 more listings

Sales Distribution (Last 90 Days)

This chart shows the distribution of sales for the past three months of new/sealed 70427 Welcome to the Hidden Side.

Sale Trends

This chart shows the sales trends of new/sealed 70427 Welcome to the Hidden Side.

Market Momentum

Bullish
This set's value is climbing and it is outpacing its theme.
DemandUpper half in Hidden Side
Very high demand
12 months agoToday
SupplyTypical for Hidden Side
Listings down 27% this month
12 months agoToday
Growth vs peers+4% typical for Hidden Side
+25% over the past year
12 months agoToday
Outlook:7% bearish·30% neutral·63% bullish
Why it's moving, signals and outlook

Welcome to the Hidden Side Minifigs

Welcome to the Hidden Side contains 4 minifigures. All 4 minifigs are exclusive to this set.

Sets in Hidden Side

70437 Mystery Castle

Year 2020
Pieces / Minifigs 1,035 / 6
Availability Retired
70437 LEGO Hidden Side Mystery Castle
Retail $99.99
Value $222.03
Growth  +122.1%
Annual growth 7.6%

70436 Phantom Fire Truck 3000

Year 2020
Pieces / Minifigs 760 / 5
Availability Retired
70436 LEGO Hidden Side Phantom Fire Truck 3000
Retail $59.99
Value $98.02
Growth  +63.4%
Annual growth 6.8%

70431 The Lighthouse of Darkness

Year 2020
Pieces / Minifigs 540 / 5
Availability Retired
70431 LEGO Hidden Side The Lighthouse of Darkness
Retail $49.99
Value $69.99
Growth  +40.0%
Annual growth 3.7%

70432 Haunted Fairground

Year 2020
Pieces / Minifigs 466 / 5
Availability Retired
70432 LEGO Hidden Side Haunted Fairground
Retail $49.99
Value $61.22
Growth  +22.5%
Annual growth 3.2%

70435 Newbury Abandoned Prison

Year 2020
Pieces / Minifigs 400 / 4
Availability Retired
70435 LEGO Hidden Side Newbury Abandoned Prison
Retail $39.99
Value $67.14
Growth  +67.9%
Annual growth 10.4%

70430 Newbury Subway

Year 2020
Pieces / Minifigs 348 / 3
Availability Retired
70430 LEGO Hidden Side Newbury Subway
Retail $29.99
Value $30.00
Growth  +0.0%

70429 El Fuego's Stunt Plane

Year 2020
Pieces / Minifigs 295 / 3
Availability Retired
70429 LEGO Hidden Side El Fuego's Stunt Plane
Retail $29.99
Value $39.98
Growth  +33.3%
Annual growth 4.8%

70434 Supernatural Race Car

Year 2020
Pieces / Minifigs 244 / 3
Availability Retired
70434 LEGO Hidden Side Supernatural Race Car
Retail $29.99
Value $39.99
Growth  +33.3%
Annual growth 4.1%

70433 J.B.'s Submarine

Year 2020
Pieces / Minifigs 224 / 3
Availability Retired
70433 LEGO Hidden Side J.B.'s Submarine
Retail $19.99
Value $37.58
Growth  +88.0%
Annual growth 6.5%

70428 Jack's Beach Buggy

Year 2020
Pieces / Minifigs 170 / 3
Availability Retired
70428 LEGO Hidden Side Jack's Beach Buggy
Retail $19.99
Value $21.81
Growth  +9.1%
Annual growth 1.9%

Welcome to the Hidden Side Questions

What is the current value of LEGO 70427 Welcome to the Hidden Side?

Today's value for a new, sealed copy of Welcome to the Hidden Side is $37. Sealed copies typically change hands for $29 to $50. Its value has climbed 12% over the last 90 days. Used copies are worth about $18.

When did LEGO 70427 Welcome to the Hidden Side retire?

LEGO retired Welcome to the Hidden Side in August 2021 after 19 months on store shelves. Collectors now buy it on the secondary market, from sellers on sites like eBay and BrickLink.

Has LEGO 70427 Welcome to the Hidden Side increased in value?

Yes. Since it sold for $19.99 in shops, Welcome to the Hidden Side has risen 86% in value, about 9.6% a year. It has outgrown the Hidden Side average of 3.8% a year by a clear margin.

How much could LEGO 70427 Welcome to the Hidden Side be worth in a year?

Our one-year forecast has Welcome to the Hidden Side at around $39 a year from now, about 5% more than today. The short-term reading agrees, with the market reading bullish. Forecasts are estimates, not guarantees.

What comes in LEGO 70427 Welcome to the Hidden Side?

Welcome to the Hidden Side has 189 pieces, about $0.11 each at retail, and 4 minifigures: Axel Chops, Jack Davids, Scrimper and Waylon. Together the minifigures are worth about $13, about a third of the set's value, and Axel Chops is the most valuable at $3.61. Every one of them is exclusive to this set.

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Fans of virtual reality and video games will love the amazing LEGO® Hidden Side universe, where physical and digital worlds merge in an incredible, single or multiplayer augmented reality (AR) experience. This Welcome to The Hidden Side (70427) ghost-hunting toy combines the open creative play of LEGO building toys with an app – so interaction with the model triggers events in the digital world. Digitally interactive building toy for kids This Welcome to the Hidden Side model reveals a ghostly world when viewed through a smart device equipped with the free LEGO AR app. Kids then get to hunt ghosts, battle the boss ghost Lady E and explore and solve mysteries, either alone or online with friends.

This LEGO® Hidden Side building toy combines the open creative play of LEGO building playsets with an app for an amazing single or multiplayer augmented reality (AR) play experience. Ideal for kids aged 7 and up.

What’s in the box? A digitally interactive LEGO® Hidden Side...
Description provided by LEGO©