![BrickLink - Set 70437-1 : LEGO Mystery Castle [Hidden Side] - BrickLink Reference Catalog](https://img.bricklink.com/ItemImage/IN/0/70437-1.png "BrickLink - Set 70437-1 : LEGO Mystery Castle [Hidden Side] - BrickLink Reference Catalog")
BrickLink - Set 70437-1 : LEGO Mystery Castle [Hidden Side] - BrickLink Reference Catalog
![BrickLink - Set 70437-1 : LEGO Mystery Castle [Hidden Side] - BrickLink Reference Catalog](https://img.bricklink.com/ItemImage/EXTN/28770.png "BrickLink - Set 70437-1 : LEGO Mystery Castle [Hidden Side] - BrickLink Reference Catalog")
BrickLink - Set 70437-1 : LEGO Mystery Castle [Hidden Side] - BrickLink Reference Catalog
Mystery Castle 70437 | Hidden Side | Buy online at the Official LEGO® Shop US
![LEGO Hidden Side 70437 Mystery Castle [Review] - The Brothers Brick | The Brothers Brick](https://s3-us-west-2.amazonaws.com/media.brothers-brick.com/2020/05/LEGO-Hidden-Side-70437-Mystery-Castle-Review-cbqr3-11.jpg "LEGO Hidden Side 70437 Mystery Castle [Review] - The Brothers Brick | The Brothers Brick")
LEGO Hidden Side 70437 Mystery Castle [Review] - The Brothers Brick | The Brothers Brick
LEGO Set 70437-1 Mystery Castle (2020 Hidden Side) | Rebrickable - Build with LEGO
![BrickLink - Set 70437-1 : LEGO Mystery Castle [Hidden Side] - BrickLink Reference Catalog](https://img.bricklink.com/ItemImage/EXTN/28772.png "BrickLink - Set 70437-1 : LEGO Mystery Castle [Hidden Side] - BrickLink Reference Catalog")
BrickLink - Set 70437-1 : LEGO Mystery Castle [Hidden Side] - BrickLink Reference Catalog
LEGO® Hidden Side Review & MOCs: 70437 Mystery Castle | New Elementary: LEGO® parts, sets and techniques
LEGO MOC Black Falcon's Fortress Homage from 70437 by sebbl | Rebrickable - Build with LEGO
Lava Bastion from BrickLink Studio
![LEGO Hidden Side 70437 Mystery Castle [Review] - The Brothers Brick | The Brothers Brick](https://s3-us-west-2.amazonaws.com/media.brothers-brick.com/2020/05/LEGO-Hidden-Side-70437-Mystery-Castle-Review-cbqr3-09-640x480.jpg "LEGO Hidden Side 70437 Mystery Castle [Review] - The Brothers Brick | The Brothers Brick")
LEGO Hidden Side 70437 Mystery Castle [Review] - The Brothers Brick | The Brothers Brick
LEGO Set 70437-1 Mystery Castle (2020 Hidden Side) | Rebrickable - Build with LEGO
Four of the scariest LEGO themes for Halloween
Lava Bastion from BrickLink Studio
![LEGO Hidden Side 70437 Mystery Castle [Review] - The Brothers Brick | The Brothers Brick](https://s3-us-west-2.amazonaws.com/media.brothers-brick.com/2020/05/LEGO-Hidden-Side-70437-Mystery-Castle-Review-cbqr3-19.jpg "LEGO Hidden Side 70437 Mystery Castle [Review] - The Brothers Brick | The Brothers Brick")
LEGO Hidden Side 70437 Mystery Castle [Review] - The Brothers Brick | The Brothers Brick
Mystery Castle 70437 | Hidden Side | Buy online at the Official LEGO® Shop US
LEGO HIDDEN SIDE: Mystery Castle (70437) (Not Complete) | eBay
70437-1 Mystery Castle (Used) LEGO Hidden Side – Bricks & Minifigs Portland
![BrickLink - Part 70437stk01 : LEGO Sticker Sheet for Set 70437, Sheet 1 - (69154/6311450) [Sticker Sheet] - BrickLink Reference Catalog](https://img.bricklink.com/ItemImage/PL/70437stk01.png "BrickLink - Part 70437stk01 : LEGO Sticker Sheet for Set 70437, Sheet 1 - (69154/6311450) [Sticker Sheet] - BrickLink Reference Catalog")
BrickLink - Part 70437stk01 : LEGO Sticker Sheet for Set 70437, Sheet 1 - (69154/6311450) [Sticker Sheet] - BrickLink Reference Catalog
LEGO Set 70437-1 Mystery Castle (2020 Hidden Side) | Rebrickable - Build with LEGO
In set 70437-1 | Brickset: LEGO set guide and database
![BrickLink - Set 70437-1 : LEGO Mystery Castle [Hidden Side] - BrickLink Reference Catalog](https://img.bricklink.com/ItemImage/EXTN/28771.png "BrickLink - Set 70437-1 : LEGO Mystery Castle [Hidden Side] - BrickLink Reference Catalog")
BrickLink - Set 70437-1 : LEGO Mystery Castle [Hidden Side] - BrickLink Reference Catalog
LEGO MOC Modular Mountain Castle from 70437 by sebbl | Rebrickable - Build with LEGO
![BrickLink - Set 70437-1 : LEGO Mystery Castle [Hidden Side] - BrickLink Reference Catalog](https://img.bricklink.com/ItemImage/SL/70437-1.png "BrickLink - Set 70437-1 : LEGO Mystery Castle [Hidden Side] - BrickLink Reference Catalog")