Set Value (New/Sealed)

This chart represents the current new/sealed value of the set Mystery Castle since August 2021. Very high accuracy
LEGO 70437 Mystery Castle was a 1,035 piece Hidden Side set with 6 minifigs released in 2020. It consists of an observatory tower, plus Jack, Parker, Vaughn, Nehmaar Reem and 2 Shadow-Walker minifigures.

It was retired in August 2021 with a lifespan of 14 months. The current value for a new and sealed Mystery Castle is estimated at $203, with an average annual growth of approximately 6%. On secondary markets, the typical price range for the set MISB/NISB is between $184 and $240. Current used prices for Mystery Castle range from $165 to $252, depending on the set's condition, with an average price of $168 for those in good overall condition.

For Sale (New/Sealed)

(US) *** Best US listing for Mystery Castle ***
BrickEconomy Choice
$199.99
(US) Hidden Side Mystery Castle 70437 Brand New Factory Sealed In Box 2020 $199.99
-1.4%
(US) Amazon listing for Mystery Castle $212.93
+5.0%
(US) 70437 Hidden Side Mystery Castle Sealed Box New $215.00
+6.0%
(US) HIDDEN SIDE: Mystery Castle (70437) SEALED $215.00
+6.0%
(US) Hidden Side 70437 Mystery Castle brand new sealed box $230.00
+13.4%
(US) Hidden Side 70437 Mystery Castle brand new sealed box $239.95
+18.3%
(US) Brand new in original shipping box. $240.00
+18.3%
(CA) HIDDEN SIDE 70437 MYSTERY CASTLE (2020) NEW SEALED VERY RARE $241.03
+18.9%
(CA) HIDDEN SIDE: Mystery Castle (70437) Set New Sealed Retired $241.07
+18.9%
(AU) Hidden Side 70437 MYSTERY CASTLE Nehmaar Reem Shadow-Walker New Sealed $241.89
+19.3%
(US) BrickLink store A Grateful Brick $245.00
+20.8%
(US) Hidden Side MYSTERY CASTLE (70437) New & Sealed $249.00
+22.8%
(US) Hidden Side Mystery Castle 70437 NEW Sealed Discontinued Theme $249.95
+23.3%
Show 21 more listings

Sales Distribution (Last 90 Days)

This chart shows the distribution of sales for the past three months of new/sealed 70437 Mystery Castle.

Sale Trends

This chart shows the sales trends (number sold) of new/sealed 70437 Mystery Castle.

Sets in Hidden Side

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 $86.48
Growth  +44.2%
Annual growth 5.3%

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 $57.01
Growth  +14.0%
Annual growth 2.2%

70432 Haunted Fairground

Year 2020
Pieces / Minifigs 466 / 5
Availability Retired
70432 LEGO Hidden Side Haunted Fairground
Retail $49.99
Value $61.49
Growth  +23.0%
Annual growth 5.4%

70435 Newbury Abandoned Prison

Year 2020
Pieces / Minifigs 400 / 4
Availability Retired
70435 LEGO Hidden Side Newbury Abandoned Prison
Retail $39.99
Value $65.29
Growth  +63.3%
Annual growth 8.8%

70430 Newbury Subway

Year 2020
Pieces / Minifigs 348 / 3
Availability Retired
70430 LEGO Hidden Side Newbury Subway
Retail $29.99
Value ~$29.99

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 $35.81
Growth  +19.4%
Annual growth 2.5%

70434 Supernatural Race Car

Year 2020
Pieces / Minifigs 244 / 3
Availability Retired
70434 LEGO Hidden Side Supernatural Race Car
Retail $29.99
Value $34.46
Growth  +14.9%
Annual growth 3.7%

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 $22.21
Growth  +11.1%
Annual growth 2.6%

70427 Welcome to the Hidden Side

Year 2020
Pieces / Minifigs 189 / 4
Availability Retired
70427 LEGO Welcome to the Hidden Side
Retail $19.99
Value $24.27
Growth  +21.4%
Annual growth 3.4%

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 $21.66
Growth  +8.4%
Annual growth 1.7%
Fans of virtual reality and video games love the amazing LEGO® Hidden Side universe, where physical and digital worlds meet to provide an incredible, single or multiplayer augmented reality (AR) play experience. This LEGO Hidden Side Mystery Castle (70437) playset combines a buildable LEGO model with an app, so interaction with the model triggers events in a digital world.

The mystery castle springs to life when viewed through a smart device with the LEGO Hidden Side AR app. Children then get to explore, solve mysteries, hunt ghosts and battle boss ghost The Maw in an exciting digital world. The possessed castle model also folds out, setting the scene for action-packed role play with the Jack, Parker, Vaughn, Nehmaar Reem and 2 Shadow-Walker minifigures.
Description provided by LEGO©