LEGO Mystery Castle 70437
Compare 0 retailers.
Retailer prices for 70437 are sorted by the latest lowest price.
Retailer pricesPrice history 70437
Full price history at a glance.
We check Dutch retailers every day. This graph shows the full daily-low price series we have for this set.
Daily lowest price tracked across 1 Dutch retailers. The dotted line marks LEGO's recommended retail price.
Source: daily measurement at 1 Dutch retailers, 14 Dec 2025 – 16 Feb 2026. RRP via LEGO.com.
| Date | Price | Retailer | Stock |
|---|---|---|---|
| €219,99 | Unieke Bricks | In stock | |
| €219,99 | Unieke Bricks | In stock | |
| €219,99 | Unieke Bricks | In stock | |
| €219,99 | Unieke Bricks | In stock | |
| €219,99 | Unieke Bricks | In stock | |
| €219,99 | Unieke Bricks | In stock | |
| €219,99 | Unieke Bricks | In stock | |
| €219,99 | Unieke Bricks | In stock | |
| €219,99 | Unieke Bricks | In stock | |
| €219,99 | Unieke Bricks | In stock | |
| €219,99 | Unieke Bricks | In stock | |
| €219,99 | Unieke Bricks | In stock |
Price will likely move slightly.
Calibrated forecast based on historical pricing, seasonal patterns and retailer behavior. Tuned conservatively: rather cautious than optimistic.
Signal is mixed. Small movements are more likely than a big drop.
Projected price path
About this set
What to know about LEGO 70437 before you buy.
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. Digitally interactive ghost-hunting toy 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 the 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. An ever-evolving digital play experience The LEGO Hidden Side universe is set in the fictional town of Newbury, where ghosts haunt people and buildings. The AR play experience is constantly enhanced through new content, characters, and special events. This LEGO® Hidden Side building kit combines the open creative play of LEGO building toys with digital play for an immersive single or multiplayer augmented reality (AR) experience. Perfect for kids aged 9 and up. What’s in the box? A digitally interactive LEGO® Hidden Side castle model with lots of manual features including an accessible observatory tower, plus Jack, Parker, Vaughn, Nehmaar Reem, and 2 Shadow-Walker minifigures. The mystery castle model comes to life when viewed through a smart device equipped with the free LEGO® Hidden Side AR app. Kids then get to solve mysteries, find items, and hunt ghosts in a haunted digital world. Looking for an ideal birthday or any-other-day gift for kids aged 9 and up? This action-packed LEGO® Hidden Side playset is a great gift idea for LEGO builders and fans of virtual reality and video games. When built, this LEGO® Hidden Side Mystery Castle (70437) augmented reality playset measures over 13" (34cm) high, 12" (31cm) wide, and 10" (27cm) 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 toy is child’s play. You’ll find easy-to-follow instructions in the box and online – so simply tear open the LEGO brick bags and let the fun begin! The LEGO® Hidden Side universe is set in thefictional 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 toy construction sets meet the highest industry standards and quality criteria to ensure that the 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 ensure that every LEGO® Hidden Side playset meets the highest global safety and quality standards.
All about this set
Background, build experience, collector context, and buying notes in one story.
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. Digitally interactive ghost-hunting toy 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 the 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. An ever-evolving digital play experience The LEGO Hidden Side universe is set in the fictional town of Newbury, where ghosts haunt people and buildings. The AR play experience is constantly enhanced through new content, characters, and special events. This LEGO® Hidden Side building kit combines the open creative play of LEGO building toys with digital play for an immersive single or multiplayer augmented reality (AR) experience. Perfect for kids aged 9 and up. What’s in the box? A digitally interactive LEGO® Hidden Side castle model with lots of manual features including an accessible observatory tower, plus Jack, Parker, Vaughn, Nehmaar Reem, and 2 Shadow-Walker minifigures. The mystery castle model comes to life when viewed through a smart device equipped with the free LEGO® Hidden Side AR app. Kids then get to solve mysteries, find items, and hunt ghosts in a haunted digital world. Looking for an ideal birthday or any-other-day gift for kids aged 9 and up? This action-packed LEGO® Hidden Side playset is a great gift idea for LEGO builders and fans of virtual reality and video games. When built, this LEGO® Hidden Side Mystery Castle (70437) augmented reality playset measures over 13" (34cm) high, 12" (31cm) wide, and 10" (27cm) 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 toy is child’s play. You’ll find easy-to-follow instructions in the box and online – so simply tear open the LEGO brick bags and let the fun begin! The LEGO® Hidden Side universe is set in thefictional 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 toy construction sets meet the highest industry standards and quality criteria to ensure that the 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 ensure that every LEGO® Hidden Side playset meets the highest global safety and quality standards.
When current prices are available, buying context appears here.
Instructions & specifications
Dimensions, pieces, build steps, and the official PDF building instruction.
Parts inventory
Known set data around pieces and build context.
Bricks
Brick 1 x 1
Part ID 3005 · Dark Tan
Qty 27
Brick 1 x 1
Part ID 3005 · Light Bluish Gray
Qty 25
Brick 1 x 2
Part ID 3004 · Light Bluish Gray
Qty 17
Brick 1 x 4
Part ID 3010 · Light Bluish Gray
Qty 15
Brick 1 x 3
Part ID 3622 · Light Bluish Gray
Qty 12
Brick 1 x 2
Part ID 3004 · Black
Qty 7
Brick 2 x 2 Corner
Part ID 2357 · Light Bluish Gray
Qty 5
Brick 1 x 2 x 2 with Inside Stud Holder
Part ID 3245c · Light Bluish Gray
Qty 5
Brick 1 x 1 x 3
Part ID 14716 · Light Bluish Gray
Qty 4
Brick 1 x 4
Part ID 3010 · Dark Tan
Qty 4
Brick 1 x 2 x 2 with Inside Stud Holder
Part ID 3245c · Black
Qty 4
Brick 1 x 3
Part ID 3622 · Dark Bluish Gray
Qty 4
Brick 1 x 2 x 3 with Bottom Stud Holder
Part ID 22886 · Light Bluish Gray
Qty 3
Brick 2 x 3
Part ID 3002 · Light Bluish Gray
Qty 3
Brick 1 x 3
Part ID 3622 · Black
Qty 3
Brick 1 x 1 x 5 with Solid Stud
Part ID 2453b · Light Bluish Gray
Qty 2
Brick 2 x 4
Part ID 3001 · Light Bluish Gray
Qty 2
Brick 1 x 2
Part ID 3004 · Dark Tan
Qty 2
Brick 1 x 4
Part ID 3010 · Black
Qty 2
Brick 1 x 1 x 3
Part ID 14716 · Black
Qty 1
Brick 1 x 2 x 5 with Hollow Studs
Part ID 2454b · Light Bluish Gray
Qty 1
Brick 2 x 4
Part ID 3001 · Dark Tan
Qty 1
Brick 2 x 3
Part ID 3002 · Black
Qty 1
Brick 2 x 2
Part ID 3003 · Black
Qty 1
Brick 1 x 2
Part ID 3004 · Medium Lavender
Qty 1
Brick 1 x 2
Part ID 3004 · Dark Bluish Gray
Qty 1
Brick 1 x 6
Part ID 3009 · Light Bluish Gray
Qty 1
Brick 1 x 4
Part ID 3010 · Reddish Brown
Qty 1
Bricks Sloped
Slope Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes]
Part ID 3660 · Light Bluish Gray
Qty 24
Slope Inverted 45° 2 x 1
Part ID 3665 · Light Bluish Gray
Qty 20
Slope 45° 2 x 1 with Bottom Pin
Part ID 3040b · Black
Qty 14
Slope 45° 2 x 1 with Bottom Pin
Part ID 3040b · Light Bluish Gray
Qty 11
Slope 75° 2 x 1 x 3 with Hollow Stud
Part ID 4460b · Black
Qty 11
Slope 45° 2 x 1 with 2/3 Cutout [New Version]
Part ID 15672 · Black
Qty 9
Slope 45° 2 x 1 Triple with Inside Stud Holder
Part ID 15571 · Light Bluish Gray
Qty 8
Slope Inverted 45° 2 x 2 Double Convex
Part ID 3676 · Light Bluish Gray
Qty 8
Slope 65° 2 x 1 x 2
Part ID 60481 · Black
Qty 8
Slope 30° 1 x 2 x 2/3
Part ID 85984 · Black
Qty 7
Slope 75° 2 x 2 x 3 [Solid Studs]
Part ID 98560 · Black
Qty 6
Slope 45° 2 x 1 with 2/3 Inverted Cutout and no stud
Part ID 28192 · Light Bluish Gray
Qty 4
Slope Inverted 45° 2 x 1
Part ID 3665 · Dark Tan
Qty 4
Slope 30° 1 x 1 x 2/3 (Cheese Slope)
Part ID 54200 · Dark Bluish Gray
Qty 4
Slope 30° 1 x 1 x 2/3 (Cheese Slope)
Part ID 54200 · Light Bluish Gray
Qty 3
Slope 65° 2 x 1 x 2
Part ID 60481 · Light Bluish Gray
Qty 3
Slope 45° 2 x 1 with 2/3 Inverted Cutout and no stud
Part ID 28192 · Dark Bluish Gray
Qty 2
Slope 45° 2 x 4
Part ID 3037 · Black
Qty 2
Slope Inverted 45° 2 x 1
Part ID 3665 · Dark Bluish Gray
Qty 2
Slope 65° 2 x 2 x 2 with Bottom Tube
Part ID 3678b · Black
Qty 2
Slope 65° 2 x 1 x 2
Part ID 60481 · Dark Bluish Gray
Qty 2
Slope 30° 1 x 2 x 2/3
Part ID 85984 · Light Bluish Gray
Qty 2
Slope 30° 1 x 2 x 2/3
Part ID 85984 · Dark Blue
Qty 2
Slope 45° 2 x 1 with 2/3 Cutout [New Version]
Part ID 15672 · Light Bluish Gray
Qty 1
Slope 45° 1 x 1 x 2/3 Quadruple Convex [Pyramid]
Part ID 22388 · Trans-Light Blue
Qty 1
Slope Inverted 75° 2 x 1 x 3
Part ID 2449 · Light Bluish Gray
Qty 1
Slope 18° 4 x 2
Part ID 30363 · Black
Qty 1
Slope 45° 2 x 2
Part ID 3039 · Black
Qty 1
Slope 45° 2 x 2
Part ID 3039 · Orange
Qty 1
Slope 45° 2 x 2 Double Convex
Part ID 3045 · Black
Qty 1
Slope 45° 2 x 2 Double Concave
Part ID 3046a · Black
Qty 1
Slope 33° 3 x 2
Part ID 3298 · Black
Qty 1
Plates Round Curved and Dishes
Plate Round 1 x 1 with Solid Stud
Part ID 6141 · Dark Bluish Gray
Qty 21
Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening)
Part ID 4032a · Medium Azure
Qty 6
Plate Special 1 x 2 Rounded with 2 Open Studs
Part ID 35480 · Dark Bluish Gray
Qty 4
Plate Round Half 4 x 8
Part ID 22888 · Dark Bluish Gray
Qty 3
Plate Special 1 x 2 Rounded with 2 Open Studs
Part ID 35480 · Light Bluish Gray
Qty 2
Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening)
Part ID 4032a · Reddish Brown
Qty 2
Plate Round Corner 6 x 6
Part ID 6003 · Dark Bluish Gray
Qty 2
Plate Round 4 x 4 with Pin Hole
Part ID 60474 · Dark Bluish Gray
Qty 2
Plate Round 2 x 2 with Rounded Bottom [Boat Stud]
Part ID 2654 · Green
Qty 1
Plate Round 2 x 2 with Rounded Bottom [Boat Stud]
Part ID 2654 · Magenta
Qty 1
Plate Round 2 x 2 with Rounded Bottom [Boat Stud]
Part ID 2654 · Trans-Clear
Qty 1
Bricks Special
Brick Special 1 x 1 with Stud on 1 Side
Part ID 87087 · Black
Qty 19
Brick Special 1 x 1 with Scroll with Open Stud
Part ID 20310 · Light Bluish Gray
Qty 4
Brick Special 1 x 2 Palisade [aka Log]
Part ID 30136 · Reddish Brown
Qty 4
Brick Special 1 x 2 with Vertical Clip [Open O Clip]
Part ID 30237b · Light Bluish Gray
Qty 4
Brick Special 1 x 1 with Clip Vertical [Open O Clip, Hollow Stud]
Part ID 60475b · Light Bluish Gray
Qty 4
Brick Special 1 x 4 with Groove
Part ID 2653 · Black
Qty 2
Brick Special 1 x 2 Palisade [aka Log]
Part ID 30136 · Black
Qty 2
Brick Special 1 x 1 x 1 2/3 with Studs on 1 Side
Part ID 32952 · Light Bluish Gray
Qty 2
Brick Special 1 x 2 with Handle
Part ID 30236 · Light Bluish Gray
Qty 1
Brick Special 1 x 2 with Vertical Clip [Open O Clip]
Part ID 30237b · Dark Bluish Gray
Qty 1
Bricks Curved
Brick Arch 1 x 5 x 4 [Continuous Bow, Raised Underside Cross Supports]
Part ID 14395 · Light Bluish Gray
Qty 14
Brick Arch 1 x 3 x 3 [Gothic]
Part ID 13965 · Light Bluish Gray
Qty 4
Brick Arch 1 x 6 x 2 - Thin Top without Reinforced Underside [New Version]
Part ID 15254 · Light Bluish Gray
Qty 4
Brick Arch 1 x 4
Part ID 3659 · Light Bluish Gray
Qty 4
Slope Curved 2 x 1 No Studs [1/2 Bow]
Part ID 11477 · Light Bluish Gray
Qty 2
Brick Arch 1 x 3 x 3 [Gothic]
Part ID 13965 · Black
Qty 2
Brick Arch 1 x 5 x 4 [Continuous Bow, Raised Underside Cross Supports]
Part ID 14395 · Black
Qty 2
Slope Curved 2 x 2 x 2/3
Part ID 15068 · Black
Qty 2
Slope Curved 2 x 2 x 2/3
Part ID 15068 · Light Bluish Gray
Qty 2
Brick Arch 1 x 3
Part ID 4490 · Light Bluish Gray
Qty 2
Brick Arch 1 x 6 Raised Arch
Part ID 92950 · Light Bluish Gray
Qty 2
Slope Curved 2 x 1 No Studs [1/2 Bow]
Part ID 11477 · Dark Brown
Qty 1
Brick Arch 1 x 8 x 2 Raised
Part ID 16577 · Light Bluish Gray
Qty 1
Plates
Plate 1 x 2
Part ID 3023 · Trans-Light Blue
Qty 13
Plate 1 x 3
Part ID 3623 · Reddish Brown
Qty 8
Plate 1 x 2
Part ID 3023 · Black
Qty 7
Plate 1 x 2
Part ID 3023 · Light Bluish Gray
Qty 7
Plate 4 x 4
Part ID 3031 · Dark Bluish Gray
Qty 6
Plate 1 x 3
Part ID 3623 · Dark Bluish Gray
Qty 6
Plate 1 x 4
Part ID 3710 · Light Bluish Gray
Qty 6
Plate 2 x 2 Corner
Part ID 2420 · Light Bluish Gray
Qty 4
Plate 1 x 8
Part ID 3460 · Dark Bluish Gray
Qty 4
Plate 1 x 4
Part ID 3710 · Black
Qty 4
Plate 2 x 6
Part ID 3795 · Dark Bluish Gray
Qty 4
Plate 2 x 4
Part ID 3020 · Light Bluish Gray
Qty 3
Plate 1 x 6
Part ID 3666 · Light Bluish Gray
Qty 3
Plate 2 x 2 Corner
Part ID 2420 · Dark Tan
Qty 2
Plate 2 x 4
Part ID 3020 · Reddish Brown
Qty 2
Plate 2 x 4
Part ID 3020 · Dark Tan
Qty 2
Plate 2 x 4
Part ID 3020 · Dark Bluish Gray
Qty 2
Plate 6 x 8
Part ID 3036 · Dark Bluish Gray
Qty 2
Plate 1 x 3
Part ID 3623 · Black
Qty 2
Plate 1 x 6
Part ID 3666 · Black
Qty 2
Plate 1 x 4
Part ID 3710 · Dark Tan
Qty 2
Plate 1 x 4
Part ID 3710 · Reddish Brown
Qty 2
Plate 2 x 6
Part ID 3795 · Black
Qty 2
Plate 2 x 4
Part ID 3020 · Black
Qty 1
Plate 2 x 3
Part ID 3021 · Black
Qty 1
Plate 2 x 2
Part ID 3022 · Dark Bluish Gray
Qty 1
Plate 2 x 2
Part ID 3022 · Light Bluish Gray
Qty 1
Plate 1 x 1
Part ID 3024 · Light Bluish Gray
Qty 1
Plate 4 x 10
Part ID 3030 · Dark Bluish Gray
Qty 1
Plate 2 x 8
Part ID 3034 · Dark Bluish Gray
Qty 1
Plate 6 x 14
Part ID 3456 · Dark Bluish Gray
Qty 1
Panels
Panel 3 x 3 x 6 Corner Wall without Bottom Indentations
Part ID 87421 · Light Bluish Gray
Qty 10
Panel 4 x 4 x 6 Quarter Cylinder
Part ID 30562 · Dark Bluish Gray
Qty 4
Panel 1 x 2 x 1 with Rounded Corners and Central Divider
Part ID 93095 · Reddish Brown
Qty 2
Bricks Round and Cones
Brick Round 1 x 1 Open Stud
Part ID 3062b · Dark Bluish Gray
Qty 9
Brick Round 1 x 1 Open Stud
Part ID 3062b · Light Bluish Gray
Qty 8
Cone 1 x 1 [Top Groove]
Part ID 59900 · Dark Bluish Gray
Qty 6
Cone 2 x 2 x 2, Open Stud
Part ID 3942c · Black
Qty 5
Cone 1 x 1 [Top Groove]
Part ID 59900 · Black
Qty 5
Brick Round 1 x 1 Open Stud
Part ID 3062b · Black
Qty 4
Brick Round 1 x 1 Open Stud
Part ID 3062b · Trans-Light Blue
Qty 2
Cone 1 x 1 [Top Groove]
Part ID 59900 · Light Bluish Gray
Qty 2
Cylinder Half 2 x 4 x 2 with 1 x 2 Cutout
Part ID 24593 · Light Bluish Gray
Qty 1
Plates Angled
Wedge Plate 4 x 8 Cut Corners
Part ID 68297 · Dark Bluish Gray
Qty 9
Wedge Plate 4 Stud 45° Angle Plate
Part ID 15706 · Black
Qty 4
Wedge Plate 4 Stud 45° Angle Plate
Part ID 15706 · Dark Bluish Gray
Qty 4
Wedge Plate 3 x 3 Cut Corner
Part ID 2450 · Dark Bluish Gray
Qty 4
Wedge Plate 2 x 2 Cut Corner
Part ID 26601 · Light Bluish Gray
Qty 2
Wedge Plate 6 x 6 Cut Corner
Part ID 6106 · Dark Bluish Gray
Qty 2
Minifig Shields, Weapons, & Tools
Weapon Spear Tip with Fins
Part ID 24482 · Black
Qty 8
Weapon Lightsaber Hilt with Bottom Ring
Part ID 64567 · Pearl Titanium
Qty 3
Weapon Sword (Uruk-hai)
Part ID 10050 · Pearl Titanium
Qty 2
Weapon Crossbow and Bolt
Part ID 2570 · Pearl Titanium
Qty 1
Tiles Special
Tile Special 2 x 2 Corner with Cut Corner - Facet
Part ID 27263 · Dark Blue
Qty 6
Tile Special 2 x 2 Corner with Cut Corner - Facet
Part ID 27263 · Black
Qty 4
Tile Special 2 x 3 Pentagonal
Part ID 22385 · Black
Qty 2
Tile Special 2 x 2 with Top Pin
Part ID 2460 · Dark Bluish Gray
Qty 2
Tile Special 2 x 3 with 2 Clips [Thick Open O Clips]
Part ID 30350b · Dark Bluish Gray
Qty 2
Tile Round 2 x 2 with Hole
Part ID 15535 · Dark Bluish Gray
Qty 1
Tile Round 1 x 1 with Hollow Bar
Part ID 20482 · Yellowish Green
Qty 1
Tile Special 2 x 3 with 2 Clips [Thick Open O Clips]
Part ID 30350b · Black
Qty 1
Hinges, Arms and Turntables
Hinge Brick 1 x 2 Base
Part ID 3937 · Black
Qty 7
Hinge Brick 2 x 2 Top Plate Thin
Part ID 6134 · Black
Qty 7
Turntable 2 x 2 Plate - Top
Part ID 3679 · Light Bluish Gray
Qty 2
Turntable 2 x 2 Plate, Base
Part ID 3680 · Black
Qty 2
Hinge Brick 1 x 4 [Upper]
Part ID 3830 · Light Bluish Gray
Qty 2
Hinge Brick 1 x 4 [Upper]
Part ID 3830 · Black
Qty 2
Hinge Brick 1 x 4 [Lower]
Part ID 3831 · Black
Qty 2
Hinge Brick 1 x 4 [Lower]
Part ID 3831 · Light Bluish Gray
Qty 2
Hinge Brick 1 x 2 Base
Part ID 3937 · Light Bluish Gray
Qty 2
Hinge Plate 1 x 4 Swivel Top / Base - Solid Clip [Complete Assembly]
Part ID 73983 · Light Bluish Gray
Qty 2
Windows and Doors
Window 1 x 2 x 2 Flat Front
Part ID 60592 · Dark Green
Qty 7
Glass for Window 1 x 2 x 2 Flat
Part ID 60601 · Trans-Brown
Qty 7
Window 1 x 2 x 2 Castle
Part ID 90195 · Light Bluish Gray
Qty 5
Window 1 x 2 x 2 2/3 Pane Lattice Diamond with Rounded Top
Part ID 30046 · Black
Qty 4
Window 1 x 2 x 2 2/3 with Rounded Top
Part ID 30044 · Reddish Brown
Qty 3
Door Frame 4 x 4 x 6 Corner
Part ID 28327 · Black
Qty 2
Gate 1 x 4 x 9 Arched with Bars and Three Studs
Part ID 42448 · Black
Qty 2
Glass for Window 1 x 4 x 6
Part ID 57895 · Trans-Clear
Qty 2
Window 1 x 2 x 2 Plane, Hollow Studs, Single Hole Top and Bottom for Glass
Part ID 60032 · Black
Qty 2
Door Frame 1 x 4 x 6 Type 2
Part ID 60596 · Reddish Brown
Qty 2
Door 1 x 4 x 6 Barred with Stud Handle
Part ID 60621 · Pearl Titanium
Qty 2
Plates Special
Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper)
Part ID 15573 · Light Bluish Gray
Qty 6
Plate Special 2 x 2 with Only 2 studs
Part ID 33909 · Black
Qty 6
Bracket 1 x 2 - 2 x 2 Inverted
Part ID 99207 · Black
Qty 6
Plate Special 2 x 2 with Only 2 studs
Part ID 33909 · Light Bluish Gray
Qty 4
Plate Special 10 x 10 Octagonal with Hole
Part ID 89523 · Dark Bluish Gray
Qty 4
Plate Special 1 x 2 with Door Rail
Part ID 32028 · Black
Qty 3
Plate Special Round 2 x 2 with Center Stud (Jumper Plate)
Part ID 18674 · Black
Qty 2
Plate Special Round 2 x 2 with Center Stud (Jumper Plate)
Part ID 18674 · White
Qty 2
Plate Special 2 x 2 with Pin on Bottom
Part ID 2476a · Dark Tan
Qty 2
Plate Special 1 x 2 with Door Rail
Part ID 32028 · Red
Qty 2
Plate Special 1 x 4 Offset with Bar Holes
Part ID 4590 · White
Qty 2
Plate Special 1 x 2 [Side Handle Closed Ends]
Part ID 48336 · Black
Qty 2
Plate Special 1 x 1 with Clip Vertical [Thick Open O Clip]
Part ID 60897 · Light Bluish Gray
Qty 2
Bracket 1 x 2 - 1 x 2 Inverted
Part ID 99780 · Dark Bluish Gray
Qty 2
Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper)
Part ID 15573 · Black
Qty 1
Plate Special 1 x 2 Side Handle [Free Ends]
Part ID 2540 · Dark Bluish Gray
Qty 1
Plate Special 1 x 1 Rounded with Handle
Part ID 26047 · Light Bluish Gray
Qty 1
Plate Special 1 x 4 with Towball
Part ID 3184 · Black
Qty 1
Technic Plate 2 x 6 [5 Holes]
Part ID 32001 · Light Bluish Gray
Qty 1
Plate Special 1 x 2 with Door Rail
Part ID 32028 · Reddish Brown
Qty 1
Tiles Round and Curved
Tile Round 1 x 1 Quarter
Part ID 25269 · Reddish Brown
Qty 4
Tiles
Tile 1 x 2 with Groove
Part ID 3069b · Trans-Light Blue
Qty 4
Tile 2 x 2 Corner
Part ID 14719 · Light Bluish Gray
Qty 2
Tile 2 x 2 with Groove
Part ID 3068b · Black
Qty 2
Tile 1 x 2 with Groove
Part ID 3069b · Black
Qty 2
Tile 2 x 4 with Groove
Part ID 87079 · Light Bluish Gray
Qty 2
Tile 1 x 4 with Groove
Part ID 2431 · Dark Blue
Qty 1
Tile 2 x 2 with Groove
Part ID 3068b · Dark Bluish Gray
Qty 1
Tile 2 x 2 with Groove
Part ID 3068b · Dark Tan
Qty 1
Tile 1 x 1 with Groove
Part ID 3070b · Black
Qty 1
Tile 1 x 1 with Groove
Part ID 3070b · Dark Bluish Gray
Qty 1
Technic Bricks
Technic Brick 1 x 2 [1 Pin Hole]
Part ID 3700 · Black
Qty 4
Technic Brick 1 x 1 with Pin Hole
Part ID 6541 · Black
Qty 2
Technic Brick 1 x 1 with Pin Hole
Part ID 6541 · Dark Bluish Gray
Qty 2
Animal / Creature Body Parts
Animal Body Part / Plant, Tail / Claw / Horn / Branch / Tentacle, End Section
Part ID 40379 · Black
Qty 4
Creature Body Part, Horn (Unicorn)
Part ID 89522 · Flat Silver
Qty 4
Animal Body Part, Barb / Claw / Tooth / Talon / Horn, Small
Part ID 53451 · Black
Qty 2
Animal Body Part, Horn (Cattle) / Tentacle / Vine / Branch / Tongue - Long
Part ID 13564 · Black
Qty 1
Minifig Lower Body
Leg Skeleton
Part ID 6266 · White
Qty 4
Minifig Accessories
Equipment Telescope / Torch / Spyglass, Support Round 1 x 1 x 1 2/3
Part ID 64644 · Light Bluish Gray
Qty 4
Equipment Candlestick
Part ID 37762 · White
Qty 3
Technic Pins
Technic Pin with Friction Ridges Lengthwise and Towball
Part ID 6628 · Red
Qty 4
Bricks Wedged
Wedge 2 x 2 Facet
Part ID 87620 · Light Bluish Gray
Qty 4
Wedge 3 x 3 Facet
Part ID 2462 · Light Bluish Gray
Qty 2
Wedge 2 x 2 Facet
Part ID 87620 · Black
Qty 2
Bars, Ladders and Fences
Fence Spindled 1 x 4 x 2 [4 Top Studs]
Part ID 15332 · Light Bluish Gray
Qty 2
Fence Lattice 1 x 4 x 1
Part ID 3633 · Light Bluish Gray
Qty 2
Stairs 7 x 4 x 6 Straight Open
Part ID 30134 · Reddish Brown
Qty 1
Bar 4L (Lightsaber Blade / Wand)
Part ID 30374 · Reddish Brown
Qty 1
Picket Fence 1 x 4 x 2
Part ID 33303 · Reddish Brown
Qty 1
Windscreens and Fuselage
Plants & Trees
Supports, Girders and Cranes
Technic Steering, Suspension and Engine
Technic Link 1 x 6 without Stoppers
Part ID 32005a · Black
Qty 2
Rock
Rock Panel 2 x 4 x 6
Part ID 47847 · Dark Bluish Gray
Qty 2
Rock 1 x 1 Crystal 4 Point
Part ID 11127 · Trans-Light Blue
Qty 1
Rock 1 x 1 Jewel / Gem 24 Facet
Part ID 30153 · Trans-Green
Qty 1
Technic Connectors
Technic Pin Connector Round [Slotted]
Part ID 62462 · Black
Qty 2
Flags, Banners and Signs
Flag 2 x 2 Square, Flat Clip Edge [Thick Clips]
Part ID 11055 · Black
Qty 1
Minifig Neckwear
Minifig Neckwear Bandana (Ninjago)
Part ID 15619 · Dark Green
Qty 1
Technic Gears
Technic Gear 12 Tooth Double Bevel
Part ID 32270 · Black
Qty 1
Retailer reviews
Summarized retailer review data when available.
All retailer prices
Current prices, stock and discounts per retailer.
Price context
Lowest, highest and average price for this set.
This context is based on 14 price points across 0 retailers. The chart on the page remains the full interactive source.
Price forecast
Conservative baseline for the next period.
The signal is mixed. Small movements are more likely than a large drop.
FAQ & set details
Pieces, year, RRP and retailer coverage.
What is the lowest price for Mystery Castle?
Has LEGO 70437 ever been cheaper?
How many pieces does LEGO 70437 have?
What year is this set from?
What is the RRP for LEGO 70437?
What is the recommended age for LEGO 70437?
Is LEGO 70437 still available?
Which retailers do you compare?
How often do you update prices?
Frequently asked questions
Quick answers about price, stock and set data.