Enter a World of Magic!
Build, rebuild, and play with 390 enchanted pieces

Create a majestic unicorn castle, a whimsical ship, or a forest playground. The adventure never ends with this Creator 3-in-1 set!

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🏛 Creator 3-in-1
Set #31175

Unicorn Castle

The Unicorn Castle is a delightful Creator 3-in-1 set.

🏆 Best For: Perfect for kids and casual LEGO fans who enjoy fantasy and creative building ⏱ 4.5 hr build 🧩 390 pcs 🎂 Ages 8+
★★★★☆ 4.2

Fans appreciate the set's vibrant color scheme and imaginative design, making it an appealing display piece. Some find the build relatively simple, making it ideal for younger builders but potentially less engaging for experienced LEGO enthusiasts.

📝 Our Take

The Unicorn Castle is a delightful Creator 3-in-1 set. Its vibrant colors and whimsical design capture the magic of unicorns, offering three unique building experiences in one box.

This set is perfect for younger builders and fans of fantasy themes. The build is engaging without being overly complex, making it a fun project to complete in an afternoon with a rewarding display piece.

Skip this if you prefer highly detailed, complex builds. Consider larger Creator Expert sets for a more challenging experience.

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🧱 Building Experience

🧩
390
Pieces
4.5h
Build Time
📊
Beginner
Difficulty
📏
23cm × 19cm × 11cm
Dimensions
Build Highlights:
  • Three distinct building options from a single set
  • Uses SNOT techniques for detailed shaping
  • Vibrant color palette creates a magical aesthetic
  • Includes play features for interactive fun

📈 Investment Analysis

↓ Price declining
C+
Investment Grade
⏳ Active
The Unicorn Castle offers moderate investment potential. As a Creator 3-in-1 set, it appeals to a broad audience, including children and adult collectors interested in fantasy themes. Its lower price point makes it accessible, potentially driving higher sales volume. While not a highly exclusive set, its unique color scheme and the popularity of unicorns could lead to moderate appreciation, especially if well-maintained and kept in its original packaging. However, the set's availability and lack of licensed elements may limit significant price increases over time.

Not Financial Advice: Content is for educational purposes only. Past performance doesn't guarantee future results. Full disclaimer

📖 About This Set

Play out adventures in a magical fantasy world with this LEGO® Creator 3in1 Unicorn Castle (31175) toy set. The castle with 4 towers and 2 turrets features a bird house with 1 bird, a rainbow staircase, a fountain, a diamond room, a telescope and a golden carrot. It also comes with 1 unicorn and 2 Pegasus characters: a yellow Pegasus toy, a pink Pegasus toy and a white unicorn toy for kids to dream up amazing stories.

Girls and boys have 3 different LEGO animal playset building options with the same bricks: a castle playset; a unicorn ship model with a rainbow sail; or a playground with a forest cabin, garden and picnic table.

LEGO Creator 3in1 sets inspire kids’ imaginations with 3 different models to assemble in every box. They will be excited to build, rebuild and build again. 3in1 sets (sold separately) offer a range of models that appeal to kids’ biggest passions, including superfast vehicles, amazing animals and detailed houses. Models cannot be built simultaneously. Set contains 390 pieces.

  • 3 unicorn toy building options in 1 box – LEGO® Creator Unicorn Castle set lets girls and boys aged 8 and up build and rebuild 3 different unicorn model sets using the same bricks
  • Endless play possibilities – Kids can role-play fantasy adventures with 3 different unicorn toys (models cannot be built simultaneously): a unicorn castle, a unicorn ship and a unicorn playground
  • 1 unicorn and 2 Pegasus figures – Each playset comes with 3 beautiful unicorn characters: a yellow Pegasus, a pink Pegasus and a white unicorn for kids to dream up fun-filled stories
  • Packed with features – The unicorn castle with 4 towers and 2 turrets includes a bird house with 1 bird, a rainbow staircase, a fountain, a diamond room, a telescope and a golden carrot
  • Birthday gift for girls and boys – 3in1 toy provides a fun build-and-play experience for little builders and can be given as a birthday gift to kids who love fantasy playtime
  • A fun way to build – The LEGO® Builder app guides kids on an intuitive creative adventure as they save sets, track progress and zoom in and rotate models in 3D while they build
  • LEGO® Creator toys – Every 3in1 set (sold separately) lets kids build 3 different models inspired by some of their biggest passions, includinganimals, vehicles and houses
  • Measurements – This 390-piece LEGO® set features a buildable Unicorn Castle toy playset measuring over 9 in. (23 cm) high, 7.5 in. (19 cm) wide and 4 in. (11 cm) deep

Compare Similar Sets

Compared to other Creator 3-in-1 sets, the Unicorn Castle stands out with its vibrant color palette and focus on a fantasy theme. It offers a similar building experience to sets like the 31120-1 Crocodile Locomotive, but with a more whimsical aesthetic. If you prefer vehicles or realistic builds, other Creator 3-in-1 sets might be more appealing.

📦 Full Parts Inventory - 100 unique parts • 367 total pieces

Plate Round 6 x 6 with Hole Plate Round 6 x 6...
Part #: 11213 White
Plate Round 6 x 6 with Hole Plate Round 6 x 6...
Part #: 11213 Bright Light Orange
Animal, Foal, Long Mane, Lavender Tail, Black Eyes print Animal, Foal, Lon...
Part #: 112958pr0001 White
Plate Special 1 x 1 with Vertical Tooth Plate Special 1 x...
Part #: 15070 Pearl Gold
Brick Arch 1 x 6 x 2 - Thin Top without Reinforced Underside [New Version] Brick Arch 1 x 6 ...
Part #: 15254 Light Aqua
Brick Round 2 x 2 Dome Bottom [Open Stud] Brick Round 2 x 2...
Part #: 15395 White
Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper) Plate Special 1 x...
Part #: 15573 Yellow
Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper) Plate Special 1 x...
Part #: 15573 White
Tile Special 1 x 1 with Clip with Rounded Edges Tile Special 1 x ...
Part #: 15712 Pearl Gold
Brick Arch 1 x 8 x 2 Raised Brick Arch 1 x 8 ...
Part #: 16577 Light Aqua
Plate Round 1 x 2 Half Circle with Stud (Jumper) Plate Round 1 x 2...
Part #: 1745 Pearl Gold
Tile Round 1 x 2 Half Circle Tile Round 1 x 2 ...
Part #: 1748 White
Tile Round 1 x 2 Half Circle Tile Round 1 x 2 ...
Part #: 1748 Medium Azure
Slope Curved 2 x 2 Inverted with 1 x 2 Cutouts Slope Curved 2 x ...
Part #: 1750 White
Plate Special Round 2 x 2 with Center Stud (Jumper Plate) Plate Special Rou...
Part #: 18674 Dark Pink
Plate Special Round 2 x 2 with Center Stud (Jumper Plate) Plate Special Rou...
Part #: 18674 Light Aqua
Plate Round Corners 2 x 6 Double Plate Round Corne...
Part #: 18980 Yellow
Plate Round Corners 2 x 6 Double Plate Round Corne...
Part #: 18980 Bright Green
Plate Round Corners 2 x 6 Double Plate Round Corne...
Part #: 18980 Tan
Tile Round 1 x 1 with Hollow Bar Tile Round 1 x 1 ...
Part #: 20482 Pearl Gold
Tile Round 1 x 1 with Hollow Bar Tile Round 1 x 1 ...
Part #: 20482 Yellowish Green
Slope Curved 2 x 1 Inverted Slope Curved 2 x ...
Part #: 24201 White
Slope Inverted 75° 2 x 1 x 3 Slope Inverted 75...
Part #: 2449 Light Aqua
Tile Round 1 x 1 Quarter Tile Round 1 x 1 ...
Part #: 25269 Bright Light Yellow
Tile Round 1 x 1 Quarter Tile Round 1 x 1 ...
Part #: 25269 Dark Azure
Tile Round 1 x 1 Quarter Tile Round 1 x 1 ...
Part #: 25269 Trans-Light Blue
Headwear Accessory Crown Long with Bar Headwear Accessor...
Part #: 25516 Pearl Gold
Plate Special 1 x 1 Rounded with Handle Plate Special 1 x...
Part #: 26047 Pearl Gold
Plate 4 x 4 Corner Plate 4 x 4 Corner
Part #: 2639 White
Plate Round 2 x 2 with Rounded Bottom [Boat Stud] Plate Round 2 x 2...
Part #: 2654 Trans-Clear
Slope Inverted 33° 3 x 2, Round Bottom Pin Slope Inverted 33...
Part #: 2752 White
Tile 2 x 2 Curved, Macaroni Tile 2 x 2 Curved...
Part #: 27925 Coral
Tile 2 x 2 Curved, Macaroni Tile 2 x 2 Curved...
Part #: 27925 Lime
Tile 2 x 2 Curved, Macaroni Tile 2 x 2 Curved...
Part #: 27925 Light Aqua
Brick 2 x 3 Brick 2 x 3
Part #: 3002 White
Brick 2 x 2 Brick 2 x 2
Part #: 3003 White
Brick 1 x 2 Brick 1 x 2
Part #: 3004 Bright Light Yellow
Brick 1 x 2 Brick 1 x 2
Part #: 3004 White
Brick 1 x 2 Brick 1 x 2
Part #: 3004 Light Aqua
Window 1 x 2 x 2 2/3 with Rounded Top Window 1 x 2 x 2 ...
Part #: 30044 Tan
Window 1 x 2 x 2 2/3 Pane Lattice Diamond with Rounded Top Window 1 x 2 x 2 ...
Part #: 30046 Pearl Gold
Brick 1 x 1 Brick 1 x 1
Part #: 3005 Light Aqua
Brick 1 x 1 Brick 1 x 1
Part #: 3005 Bright Light Yellow
Brick 1 x 1 Brick 1 x 1
Part #: 3005 Medium Azure
Rock 1 x 1 Jewel / Gem 24 Facet Rock 1 x 1 Jewel ...
Part #: 30153 Trans-Dark Pink
Rock 1 x 1 Jewel / Gem 24 Facet Rock 1 x 1 Jewel ...
Part #: 30153 Trans-Clear
Plate 2 x 4 Plate 2 x 4
Part #: 3020 Bright Light Yellow
Plate 2 x 4 Plate 2 x 4
Part #: 3020 White
Plate 2 x 3 Plate 2 x 3
Part #: 3021 White
Plate 2 x 2 Plate 2 x 2
Part #: 3022 White
Plate 2 x 2 Plate 2 x 2
Part #: 3022 Medium Azure
Plate 1 x 2 Plate 1 x 2
Part #: 3023 Bright Light Yellow
Plate 1 x 2 Plate 1 x 2
Part #: 3023 Light Aqua
Plate 1 x 1 Plate 1 x 1
Part #: 3024 12× White
Plate 1 x 1 Plate 1 x 1
Part #: 3024 Blue
Plate 1 x 1 Plate 1 x 1
Part #: 3024 Bright Light Yellow
Brick Round 1 x 1 Open Stud Brick Round 1 x 1...
Part #: 3062b Light Aqua
Brick Round 1 x 1 Open Stud Brick Round 1 x 1...
Part #: 3062b 12× Yellowish Green
Brick Round 1 x 1 Open Stud Brick Round 1 x 1...
Part #: 3062b 12× Light Nougat
Tile 1 x 2 with Groove Tile 1 x 2 with G...
Part #: 3069b Yellow
Tile 1 x 1 with Groove Tile 1 x 1 with G...
Part #: 3070b White
Plant, Carrot Plant, Carrot
Part #: 33172 Pearl Gold
Plant, Carrot Top Plant, Carrot Top
Part #: 33183 Lime
Plate Special 1 x 2 Rounded with 2 Open Studs Plate Special 1 x...
Part #: 35480 10× Medium Azure
Plate 1 x 3 Plate 1 x 3
Part #: 3623 Light Aqua
Plate 1 x 3 Plate 1 x 3
Part #: 3623 White
Brick Arch 1 x 4 Brick Arch 1 x 4
Part #: 3659 Bright Light Yellow
Plate 1 x 6 Plate 1 x 6
Part #: 3666 White
Bracket 1 x 1 - 1 x 1 Bracket 1 x 1 - 1...
Part #: 36841 Yellow
Technic Brick 1 x 2 [1 Pin Hole] Technic Brick 1 x...
Part #: 3700 Light Aqua
Plate 1 x 4 Plate 1 x 4
Part #: 3710 Light Aqua
Plate 1 x 4 Plate 1 x 4
Part #: 3710 Bright Light Yellow
Plate 2 x 6 Plate 2 x 6
Part #: 3795 White
Plate 2 x 6 Plate 2 x 6
Part #: 3795 Blue
Cone Half 2 x 4 x 3 Cone Half 2 x 4 x 3
Part #: 38317 Yellowish Green
Cone Half 2 x 4 x 3 Cone Half 2 x 4 x 3
Part #: 38317 Light Nougat
Plate 2 x 10 Plate 2 x 10
Part #: 3832 Light Aqua
Window Pane Latticed 1 x 2 x 2 Window Pane Latti...
Part #: 38320 Pearl Gold
Crown / Flower / Egg Shell Half Crown / Flower / ...
Part #: 39262 Pearl Gold
Hinge Brick 1 x 2 Base Hinge Brick 1 x 2...
Part #: 3937 Blue
Brick Round 2 x 2 with Axle Hole Brick Round 2 x 2...
Part #: 3941 Lavender
Brick Round 2 x 2 with Axle Hole Brick Round 2 x 2...
Part #: 3941 Light Aqua
Brick Round 2 x 2 with Axle Hole Brick Round 2 x 2...
Part #: 3941 Medium Azure
Cone 2 x 2 x 2, Open Stud Cone 2 x 2 x 2, O...
Part #: 3942c Bright Light Orange
Cone 2 x 2 x 2, Open Stud Cone 2 x 2 x 2, O...
Part #: 3942c Dark Pink
Cone 2 x 2 x 2, Open Stud Cone 2 x 2 x 2, O...
Part #: 3942c Lime
Cone 2 x 2 x 2, Open Stud Cone 2 x 2 x 2, O...
Part #: 3942c Medium Azure
Cone 2 x 2 x 2, Open Stud Cone 2 x 2 x 2, O...
Part #: 3942c Medium Lavender
Cone 4 x 4 x 2, Axle Hole [Plain] Cone 4 x 4 x 2, A...
Part #: 3943b Lime
Cone 4 x 4 x 2, Axle Hole [Plain] Cone 4 x 4 x 2, A...
Part #: 3943b Bright Light Orange
Cone 4 x 4 x 2, Axle Hole [Plain] Cone 4 x 4 x 2, A...
Part #: 3943b Dark Pink
Tile 1 x 1 Heart Tile 1 x 1 Heart
Part #: 39739 Pearl Gold
Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) Plate Round 2 x 2...
Part #: 4032a Orange
Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) Plate Round 2 x 2...
Part #: 4032a Dark Pink
Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) Plate Round 2 x 2...
Part #: 4032a Tan
Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) Plate Round 2 x 2...
Part #: 4032a White
Brick Special 1 x 1 with Headlight Brick Special 1 x...
Part #: 4070 Yellow
Plate 8 x 8 Plate 8 x 8
Part #: 41539 White
Animal, Bird, Small with Orange Beak, Black Eyes print Animal, Bird, Sma...
Part #: 41835pr0003 Bright Light Yellow
Slope 33° 3 x 1 Slope 33° 3 x 1
Part #: 4286 White
Dish 6 x 6 Inverted (Radar) with Solid Studs Dish 6 x 6 Invert...
Part #: 44375b Reddish Orange
Plate 1 x 10 Plate 1 x 10
Part #: 4477 Tan
Brick Curved 2 x 2 x 2/3 Two Studs and Curved Slope End Brick Curved 2 x ...
Part #: 47457 White
Brick Curved 1 x 1 x 2/3 Double Curved Top, No Studs Brick Curved 1 x ...
Part #: 49307 White
Brick Round 3 x 3 Dome with Center Stud Brick Round 3 x 3...
Part #: 49308 Medium Lavender
Brick Round 3 x 3 Dome with Center Stud Brick Round 3 x 3...
Part #: 49308 Dark Azure
Slope Curved 3 x 1 No Studs Slope Curved 3 x ...
Part #: 50950 Light Aqua
Slope 30° 1 x 1 x 2/3 (Cheese Slope) Slope 30° 1 x 1 x...
Part #: 54200 Bright Light Yellow
Brick Curved 1 x 2 x 1 with Curved Top Brick Curved 1 x ...
Part #: 5841 Trans-Light Blue
Brick Curved 1 x 2 x 1 with Curved Top Brick Curved 1 x ...
Part #: 5841 White
Brick Curved 1 x 2 x 1 2/3 with 1 Cutout Brick Curved 1 x ...
Part #: 5907 White
Cone 1 x 1 [Top Groove] Cone 1 x 1 [Top G...
Part #: 59900 Trans-Bright Green
Cone 1 x 1 [Top Groove] Cone 1 x 1 [Top G...
Part #: 59900 Trans-Dark Pink
Cone 1 x 1 [Top Groove] Cone 1 x 1 [Top G...
Part #: 59900 Trans-Purple
Cone 1 x 1 [Top Groove] Cone 1 x 1 [Top G...
Part #: 59900 Trans-Yellow
Plate Round 4 x 4 with Pin Hole Plate Round 4 x 4...
Part #: 60474 Magenta
Plate Round 4 x 4 with Pin Hole Plate Round 4 x 4...
Part #: 60474 Tan
Plate Round 4 x 4 with Pin Hole Plate Round 4 x 4...
Part #: 60474 White
Plate Round 4 x 4 with Pin Hole Plate Round 4 x 4...
Part #: 60474 Bright Green
Window 1 x 2 x 2 Flat Front Window 1 x 2 x 2 ...
Part #: 60592 Tan
Plate Special 1 x 1 with Clip Vertical [Thick Open O Clip] Plate Special 1 x...
Part #: 60897 White
Plate Special 1 x 1 with Clip Vertical [Thick Open O Clip] Plate Special 1 x...
Part #: 60897 Tan
Hinge Brick 2 x 2 Top Plate Thin Hinge Brick 2 x 2...
Part #: 6134 Blue
Plate Round 1 x 1 with Solid Stud Plate Round 1 x 1...
Part #: 6141 Trans-Yellow
Plate Round 1 x 1 with Solid Stud Plate Round 1 x 1...
Part #: 6141 Trans-Dark Pink
Brick Curved 2 x 3 Brick Curved 2 x 3
Part #: 6215 White
Brick 2 x 2 without Inside Ridges Brick 2 x 2 witho...
Part #: 6223 Trans-Light Blue
Animal / Creature Body Part, Wings Double Layer with Anti-Stud Animal / Creature...
Part #: 6332 Dark Pink
Animal / Creature Body Part, Wings Double Layer with Anti-Stud Animal / Creature...
Part #: 6332 Bright Light Orange
Equipment Telescope / Torch / Spyglass, Support Round 1 x 1 x 1 2/3 Equipment Telesco...
Part #: 64644 Pearl Gold
Plate Special 2 x 4 with Groove and Two Center Studs (Jumper) Plate Special 2 x...
Part #: 65509 White
Brick Round, Half 1 x 2 Brick Round, Half...
Part #: 68013 Light Aqua
Brick Curved 1 x 1 Brick Curved 1 x 1
Part #: 7126 White
Creature Body Part, Horn (Unicorn) with Small Pin Creature Body Par...
Part #: 7199 Pearl Gold
Bracket 1 x 1 - 1 x 2 Inverted Bracket 1 x 1 - 1...
Part #: 73825 Yellow
Plate 3 x 3 Corner Plate 3 x 3 Corner
Part #: 77844 White
Tile 3 x 3 Curved, Macaroni Tile 3 x 3 Curved...
Part #: 79393 Bright Pink
Tile 3 x 3 Curved, Macaroni Tile 3 x 3 Curved...
Part #: 79393 Bright Light Yellow
Tile 3 x 3 Curved, Macaroni Tile 3 x 3 Curved...
Part #: 79393 Yellowish Green
Plate Round Corner 2 x 2 with 1 x 1 Cutout Plate Round Corne...
Part #: 79491 White
Animal, Foal with Black Eyes, Bright Light Orange Mane, Tail print Animal, Foal with...
Part #: 82445pr0003 Bright Light Yellow
Animal, Foal with Black Eyes, Dark Pink Mane, Tail print Animal, Foal with...
Part #: 82445pr0004 Bright Pink
Brick Round Corner 2 x 2 Macaroni with Stud Notch and Reinforced Underside [New Style] Brick Round Corne...
Part #: 85080 Yellowish Green
Brick Round Corner 2 x 2 Macaroni with Stud Notch and Reinforced Underside [New Style] Brick Round Corne...
Part #: 85080 Light Nougat
Plate Round 1 x 1 with Open Stud Plate Round 1 x 1...
Part #: 85861 Trans-Light Blue
Cone 1.17 x 1.17 x 2/3 (Fez) Cone 1.17 x 1.17 ...
Part #: 85975 Pearl Gold
Slope 30° 1 x 2 x 2/3 Slope 30° 1 x 2 x...
Part #: 85984 Bright Light Yellow
Creature Body Part, Horn (Unicorn) Creature Body Par...
Part #: 89522 Pearl Gold
Technic Pin 1/2 with Friction Technic Pin 1/2 w...
Part #: 89678 Red
Window 1 x 2 x 2 Castle Window 1 x 2 x 2 ...
Part #: 90195 Lavender
Window 1 x 2 x 2 Castle Window 1 x 2 x 2 ...
Part #: 90195 Light Aqua
Brick Arch 1 x 6 Raised Arch Brick Arch 1 x 6 ...
Part #: 92950 White
Slope Curved 4 x 2 No Studs Slope Curved 4 x ...
Part #: 93606 White
This set contains a good variety of round bricks and curved slopes in light aqua and bright light yellow, useful for MOC builders looking to add unique shapes and colors to their creations.

🛒 Where to Buy

Walmart
✓ In Stock
$35.99
LEGO
✓ In Stock
$44.99
eBay
Amazon

💎 Notable Parts

Yellowish Green Brick Round 1 x 1 Open Stud (12x) $1.80
Light Nougat Brick Round 1 x 1 Open Stud (12x) $1.80
Medium Azure Plate Special 1 x 2 Rounded with 2 Open Studs (10x) $2.50
Light Aqua Brick Round 2 x 2 with Axle Hole (8x) $2.00
Bright Light Yellow Plate 1 x 2 (9x) $0.90
Est. BrickLink Part Value
$9.00

💡 MOC Potential

🏰 Expansions to the main castle build
🌳 Fantasy-themed landscapes and gardens
🧙 Magical towers and wizard's workshops

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📖 Building Instructions 6

Unicorn Castle Instructions
BI 3101, 108+4, 31175 1/3 V29
Download PDF
Unicorn Castle Instructions
BI 3101, 56, 31175 2/3 V29
Download PDF
Unicorn Castle Instructions
BI 3101, 56, 31175 3/3 V29
Download PDF
Unicorn Castle Instructions
BI 3101, 108+4, 31175 1/3 V39
Download PDF
Unicorn Castle Instructions
BI 3101, 56, 31175 2/3 V39
Download PDF
Unicorn Castle Instructions
BI 3101, 56, 31175 3/3 V39
Download PDF

Charts Inventory Statistics

100
Unique Parts
367
Total Pieces
0
Minifigures
Inventory Version: 1