LEGO Hidden Side. Mystery Castle. 70437. Used

Hidden Side Mystery Castle
Set Number: 70437
Release Year: 2020 (Retired 2021)
Piece Count: 1030
Minifigures: 6
Theme: Hidden Side

Overview:
This large Hidden Side set features a haunted castle with multiple transforming sections activated through the Hidden Side app. The build includes a laboratory, dungeon, tower rooms and ghost‑attack mechanisms. The castle opens for play and includes six minifigures: Jack, Parker, Vaughn, Nehmaar Reem (Shadow‑form), and two possessed workers.

Key Features:
• Large haunted castle with opening and transforming sections
• Includes six minifigures
• Laboratory, dungeon and tower rooms
• Ghost‑attack play features
• Hidden Side augmented‑reality interactions
• One of the largest sets in the Hidden Side theme

Collector Appeal:
As one of the flagship sets of the short‑run Hidden Side theme, 70437 is highly sought after. Its limited production window (2020–2021), large size and unique aesthetic make it a key collector piece for completing the Hidden Side lineup.

Please note: This is a pre‑owned set. It has been built to check completeness and comes with the Brick Evolution parts guarantee.
Condition? – Good. Missing 2x mobile phone tile pieces. Set broken down into original bag numbers
Original instructions? – Yes
Original set box? – yes