1. Sets
  2. Creator
  3. 3 in 1
31175 LEGO Creator 3 in 1 Unicorn Castle thumbnail image

31175 LEGO Creator 3 in 1 Unicorn Castle
Images 6Description 
31175 LEGO Creator 3 in 1 Unicorn Castle
  • Unicorn Castle thumbnail
  • Unicorn Castle thumbnail
  • Unicorn Castle thumbnail
  • Unicorn Castle thumbnail
  • Unicorn Castle thumbnail
  • Unicorn Castle thumbnail

LEGO 31175 Unicorn Castle is a Creator set currently available at retail for $39.99 and is projected to retire in mid 2027. Current new-sealed secondary market prices range from $36 to $46, with the average below MSRP at $37.

Forecast Model

This represents the expected annual growth (CAGR) based solely on a forecast model.
LEGO 31175 Unicorn Castle is a Creator 3-in-1 set released in 2025, containing 390 pieces. The primary build is a castle with four towers, two turrets, a rainbow staircase, a fountain, a diamond room, a telescope, and a birdhouse with a bird, plus a golden carrot accessory. It includes brick-built figures of a white unicorn and two Pegasus figures in yellow and pink. Alternate builds reconfigure the set into a unicorn ship with a rainbow sail or a playground featuring a forest cabin, garden, and picnic table.

Once retired, the expected annual growth will be close to 3% after the second year, valuing the set between $43 and $44 shortly after it is retired.
All regions

For Sale (New/Sealed)

This chart shows the sales listing trends of 31175 Unicorn Castle.
 (LK) Creator 3 in 1 Unicorn Castle Building Toy Set 31175 $32.99
-17.5%
(LK) Creator 3 in 1 Unicorn Castle Building Toy Set 31175 $32.99
-17.5%
(LK) Creator 3 in 1 Unicorn Castle Building Toy Set 31175 $32.99
-17.5%
(US) Creator 3 in 1 Unicorn Castle Building Toy Set 31175
BrickEconomy Choice
$33.99
-15.0%
(US) Creator 3 in 1 #31175 - Unicorn Castle - 390 pieces, NEW & SEALED $34.00
-15.0%
(US) Creator 3 in 1 Unicorn Castle Building Toy 31175 $34.09
-14.8%
(US) Creator 3 In 1 Unicorn Castle 31175 390 Pcs Whimsical Magical Building Set $34.96
-12.6%
(US) Creator 3 In 1 Unicorn Castle 31175 390 Pcs Whimsical Magical Building Set $34.96
-12.6%
(US) Creator 3in1 Unicorn Castle (31175) SEALED $34.99
-12.5%
(US) LEGO Creator 3in1 Unicorn Castle 31175 $35.00
-12.5%
(VN) Creator 3 in 1 Unicorn Castle Building Toy for Kids-Unicorn Toy Trio,31175 $35.99
-10.0%
(US) LEGO Creator 3in1 Unicorn Castle 31175 $37.99
-5.0%
(US) [SALE]-LEGO Creator Unicorn Castle 31175 Building Kit (390 Pieces)-FREE SHIP $38.50
-3.7%
(US) Creator 3 in 1 Unicorn Castle Building Toy 31175 $38.98
-2.5%
(US) New Lego Creator 3 in 1 Unicorn Castle, #31175, 390 pieces $39.99
(US) 31175 Unicorn Castle Building Toy Set 390 Pieces Age 8 New Sealed $39.99
(US) New, Sealed. Mint Condition. 10/10 $39.99
(US) LEGO Creator 31175-1 Unicorn Castle $39.99
(US) NSIB - New Sealed In Box: Product will be in new sealed retail package. May have mino... $39.99
(US) Official LEGO Unicorn Castle $39.99
Show 24 more listings

Sets in Creator / 3 in 1

31168 Medieval Horse Knight Castle

Theme / Subtheme Creator / 3 in 1
Year 2025
Pieces / Minifigs 1,371 / 6
Availability Retail
31168 LEGO Creator 3 in 1 Medieval Horse Knight Castle
Retail $129.99
Available at retail

31171 Wild Animals Majestic Rhino with Birds

Theme / Subtheme Creator / 3 in 1
Year 2025
Pieces 780
Availability Retail
31171 LEGO Creator 3 in 1 Wild Animals Majestic Rhino with Birds
Retail $59.99
Available at retail

31167 Haunted House

Theme / Subtheme Creator / 3 in 1
Year 2025
Pieces / Minifigs 736 / 5
Availability Retail
31167 LEGO Creator 3 in 1 Haunted House
Retail $89.99
Available at retail

31161 Medieval Dragon

Theme / Subtheme Creator / 3 in 1
Year 2025
Pieces 715
Availability Retail
31161 LEGO Creator 3 in 1 Medieval Dragon
Retail $59.99
Available at retail

31166 Beautiful Horse

Theme / Subtheme Creator / 3 in 1
Year 2025
Pieces 685
Availability Retail
31166 LEGO Creator 3 in 1 Beautiful Horse
Retail $49.99
Available at retail

31165 Wild Animals Panda Family

Theme / Subtheme Creator / 3 in 1
Year 2025
Pieces 626
Availability Retail
31165 LEGO Creator 3 in 1 Wild Animals Panda Family
Retail $36.99
Available at retail

31163 Playful Cat

Theme / Subtheme Creator / 3 in 1
Year 2025
Pieces 407
Availability Retail
31163 LEGO Creator 3 in 1 Playful Cat
Retail $24.99
Available at retail

31174 Retro Telephone

Theme / Subtheme Creator / 3 in 1
Year 2025
Pieces 383
Availability Retail
31174 LEGO Creator 3 in 1 Retro Telephone
Retail $29.99
Available at retail

31172 Record Player with Flowers

Theme / Subtheme Creator / 3 in 1
Year 2025
Pieces 366
Availability Retail
31172 LEGO Creator 3 in 1 Record Player with Flowers
Retail $29.99
Available at retail

31169 Typewriter with Flowers

Theme / Subtheme Creator / 3 in 1
Year 2025
Pieces 363
Availability Retail
31169 LEGO Creator 3 in 1 Typewriter with Flowers
Retail $29.99
Available at retail

31162 Cute Bunny

Theme / Subtheme Creator / 3 in 1
Year 2025
Pieces 326
Availability Retail (Retiring soon)
31162 LEGO Creator 3 in 1 Cute Bunny
Retail $19.99
Available at retail
Retiring soon

31170 Wild Animals Pink Flamingo

Theme / Subtheme Creator / 3 in 1
Year 2025
Pieces 288
Availability Retail
31170 LEGO Creator 3 in 1 Wild Animals Pink Flamingo
Retail $24.99
Available at retail

31164 Space Robot

Theme / Subtheme Creator / 3 in 1
Year 2025
Pieces 281
Availability Retail (Retiring soon)
31164 LEGO Creator 3 in 1 Space Robot
Retail $24.99
Available at retail
Retiring soon

31173 Wild Animals Tropical Toucan

Theme / Subtheme Creator / 3 in 1
Year 2025
Pieces 225
Availability Retail
31173 LEGO Creator 3 in 1 Wild Animals Tropical Toucan
Retail $17.99
Available at retail

31160 Aircraft Race Plane

Theme / Subtheme Creator / 3 in 1
Year 2025
Pieces 178
Availability Retail (Retiring soon)
31160 LEGO Creator 3 in 1 Aircraft Race Plane
Retail $19.99
Available at retail
Retiring soon

31159 Wild Animals Surprising Spider

Theme / Subtheme Creator / 3 in 1
Year 2025
Pieces 153
Availability Retail
31159 LEGO Creator 3 in 1 Wild Animals Surprising Spider
Retail $12.99
Available at retail

30688 Tropical Toucan

Theme / Subtheme Creator / 3 in 1
Year 2025
Pieces 59
Availability Retired
30688 LEGO Creator 3 in 1 Tropical Toucan
promotional
Value $3.73
Annual growth 32.9%

30691 Mini Monster Truck

Theme / Subtheme Creator / 3 in 1
Year 2025
Pieces 55
Availability Retired
30691 LEGO Creator 3 in 1 Mini Monster Truck
Retail $4.99
Value $8.00
Growth  +60.3%
Annual growth 28.5%

My Collection

Unicorn Castle Reviews

2 reviews
4.7
Collectors
Investors
Brick Fanatics
“Completing this summer’s line-up of LEGO Creator 3-in-1 sets is 31175 Unicorn Castle. Priced at £34.99 / $44.99 / €39.99 for 390 pieces, the model features four towers, two turrets, a rainbow staircase, a diamond room and more, plus a unicorn and two Pegasus figures.”
Full review at www.brickfanatics.com
BrickEconomy Expert Review
“The Unicorn Castle offers a colorful main build with pastel towers rising above brick-built clouds, complemented by a new unicorn mold and two winged horses in unique colors. While the alternate models, a ship and forest cabin, are less polished, the primary castle design stands out as a bright display piece.”
 

About Creator 3 in 1

The LEGO Creator 3-in-1 theme consists of LEGO sets that offer instructions for building three distinct models using the same set of bricks. Each set provides the components necessary for all three designs, but only one model can be built at a time.

3 in 1 was introduced in 2006 and currently consists of 251 sets. As of today, 4954 Model Town House is the most valuable 3 in 1 set with an estimated new/factory sealed value of $288.
Read more
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...
Description provided by LEGO©