Unicorn Castle

Retiring soon

Set number

31175-1

Theme

Creator

Sub theme

Creator 3-in-1

Year

2025

Pieces

390

Age

8+

Availability

Retail

Packaging

Box

Box size (L × W × H)

11.1 × 10.3 × 2.3 in (28.2 × 26.2 × 5.9 cm)

Model size (L × W × H)

7.5 × 4.3 × 9.1 in (19 × 11 × 23 cm)

Box weight

1.27 lb (0.575 kg)

Retail price

• US $44.99
• Canada CAD $49.99
• UK £34.99
• Europe €39.99

Store prices the store's own offer

Amazon

$35.99 In stock -20% vs retail

Sold and shipped by Amazon.com · Last checked 2026-10-12 13:00:06 UTC · lowest in 30 days $35.99

View on Amazon

As an Amazon Associate, Stud Ticker earns from qualifying purchases.

Out of stock

• Last in stock 2026-10-12 at $35.99
• Out of stock since 2026-10-13

Last checked 2026-10-17 05:00:06 UTC

Back in stock 2026-10-12 (out since 2026-10-05)

View on Walmart

Current market value

Amazon marketplace: Lowest New $35.99 -20% vs retail

• New7 sellers (Amazon.com and others) · sales rank #3,462 in [{'name': 'Toys & Games', 'url': '/gp/bestsellers/toys-and-games/ref=pd_zg_ts_toys-and-games'}]

cheapest new offer from any seller · updated 2026-10-12 13:00:06 UTC

: Avg. New $43.15 -4% vs retail

• New median $39.99 · typical $35.00–$49.49 · 21 listings

asking prices · updated 2026-09-26 13:39:45 UTC

Release date

2025-08-01

Retiring

2026-12-31 History (2)Hide history

• 2026-12-31 · updated 2026-10-05
• 2027-12-31 · updated 2026-09-25

Shelf life

1 year and 5 months

Instructions

Book 1 of 3 Book 2 of 3 Book 3 of 3

All 6 instruction PDFs

Qty	Image	Part	Name	Color	Sets
2		3937	Hinge Brick 1 x 2 Base	Blue	In 132 sets
2		6134	Hinge Brick 2 x 2 Top Plate Thin	Blue	In 60 sets
2		3024	Plate 1 x 1	Blue	In 456 sets
1		3795	Plate 2 x 6	Blue	In 485 sets
1		60474	Plate Round 4 x 4 with Pin Hole	Bright Green	In 9 sets
2		18980	Plate Round Corners 2 x 6 Double	Bright Green	In 14 sets
1		6332	Animal / Creature Body Part, Wings Double Layer with Anti-Stud	Bright Light Orange	Exclusive
1		3942c	Cone 2 x 2 x 2, Open Stud	Bright Light Orange	In 3 sets
1		3943b	Cone 4 x 4 x 2, Axle Hole [Plain]	Bright Light Orange	In 2 sets
1		11213	Plate Round 6 x 6 with Hole	Bright Light Orange	In 31 sets
1		41835pr0003	Animal, Bird, Small with Orange Beak, Black Eyes Print	Bright Light Yellow	In 12 sets
1		82445pr0003	Animal, Foal with Black Eyes, Bright Light Orange Mane, Tail Print	Bright Light Yellow	Exclusive
2		3005	Brick 1 x 1	Bright Light Yellow	In 54 sets
8		3004	Brick 1 x 2	Bright Light Yellow	In 110 sets
3		3659	Brick Arch 1 x 4	Bright Light Yellow	In 8 sets
2		54200	Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope)	Bright Light Yellow	In 38 sets
7		85984	Brick Sloped 30° 1 x 2 x 2/3	Bright Light Yellow	In 26 sets
8		3024	Plate 1 x 1	Bright Light Yellow	In 81 sets
9		3023	Plate 1 x 2	Bright Light Yellow	In 138 sets
1		3710	Plate 1 x 4	Bright Light Yellow	In 92 sets
1		3020	Plate 2 x 4	Bright Light Yellow	In 70 sets
2		79393	Tile 3 x 3 Curved, Macaroni	Bright Light Yellow	In 2 sets
2		25269	Tile Round 1 x 1 Quarter	Bright Light Yellow	In 89 sets
1		82445pr0004	Animal, Foal with Black Eyes, Dark Pink Mane, Tail Print	Bright Pink	In 2 sets
2		79393	Tile 3 x 3 Curved, Macaroni	Bright Pink	In 7 sets
1		27925	Tile 2 x 2 Curved, Macaroni	Coral	In 48 sets
2		49308	Brick Round 3 x 3 Dome with Center Stud	Dark Azure	In 2 sets
6		25269	Tile Round 1 x 1 Quarter	Dark Azure	In 83 sets
1		6332	Animal / Creature Body Part, Wings Double Layer with Anti-Stud	Dark Pink	Exclusive
1		3942c	Cone 2 x 2 x 2, Open Stud	Dark Pink	Exclusive
1		3943b	Cone 4 x 4 x 2, Axle Hole [Plain]	Dark Pink	Exclusive
2		4032a	Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening)	Dark Pink	In 70 sets
2		18674	Plate Special Round 2 x 2 with Center Stud (Jumper Plate)	Dark Pink	In 116 sets
3		3941	Brick Round 2 x 2 with Axle Hole	Lavender	In 32 sets
2		90195	Window 1 x 2 x 2 Castle	Lavender	In 2 sets
6		3005	Brick 1 x 1	Light Aqua	In 39 sets
2		3004	Brick 1 x 2	Light Aqua	In 102 sets
3		15254	Brick Arch 1 x 6 x 2 - Thin Top without Reinforced Underside [New Version]	Light Aqua	In 14 sets
2		16577	Brick Arch 1 x 8 x 2 Raised	Light Aqua	In 2 sets
4		50950	Brick Curved 3 x 1 No Studs	Light Aqua	In 5 sets
6		3062b	Brick Round 1 x 1 Open Stud	Light Aqua	In 16 sets
8		3941	Brick Round 2 x 2 with Axle Hole	Light Aqua	In 4 sets
4		68013	Brick Round, Half 1 x 2	Light Aqua	In 2 sets
2		2449	Brick Sloped Inverted 75° 2 x 1 x 3	Light Aqua	In 6 sets
6		3023	Plate 1 x 2	Light Aqua	In 99 sets
4		3623	Plate 1 x 3	Light Aqua	In 20 sets
2		3710	Plate 1 x 4	Light Aqua	In 50 sets
1		3832	Plate 2 x 10	Light Aqua	In 4 sets
1		18674	Plate Special Round 2 x 2 with Center Stud (Jumper Plate)	Light Aqua	In 19 sets
1		3700	Technic Brick 1 x 2 [1 Pin Hole]	Light Aqua	In 7 sets
2		27925	Tile 2 x 2 Curved, Macaroni	Light Aqua	In 28 sets
2		90195	Window 1 x 2 x 2 Castle	Light Aqua	In 3 sets
12		3062b	Brick Round 1 x 1 Open Stud	Light Nougat	In 5 sets
9		85080	Brick Round Corner 2 x 2 Macaroni with Stud Notch and Reinforced Underside [New Style]	Light Nougat	In 4 sets
1		38317	Cone Half 2 x 4 x 3	Light Nougat	Exclusive
1		3942c	Cone 2 x 2 x 2, Open Stud	Lime	In 2 sets
1		3943b	Cone 4 x 4 x 2, Axle Hole [Plain]	Lime	Exclusive
1		33183	Plant, Carrot Top	Lime	In 28 sets
1		27925	Tile 2 x 2 Curved, Macaroni	Lime	In 28 sets
1		60474	Plate Round 4 x 4 with Pin Hole	Magenta	In 44 sets
2		3005	Brick 1 x 1	Medium Azure	In 131 sets
4		3941	Brick Round 2 x 2 with Axle Hole	Medium Azure	In 42 sets
2		3942c	Cone 2 x 2 x 2, Open Stud	Medium Azure	In 3 sets
2		3022	Plate 2 x 2	Medium Azure	In 231 sets
10		35480	Plate Special 1 x 2 Rounded with 2 Open Studs	Medium Azure	In 49 sets
4		1748	Tile Round 1 x 2 Half Circle	Medium Azure	In 35 sets
1		49308	Brick Round 3 x 3 Dome with Center Stud	Medium Lavender	Exclusive
1		3942c	Cone 2 x 2 x 2, Open Stud	Medium Lavender	In 3 sets
1		4032a	Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening)	Orange	In 102 sets
2		85975	Cone 1.17 x 1.17 x 2/3 (Fez)	Pearl Gold	In 103 sets
5		89522	Creature Body Part, Horn (Unicorn)	Pearl Gold	In 81 sets
1		7199	Creature Body Part, Horn (Unicorn) with Small Pin	Pearl Gold	In 4 sets
1		39262	Crown / Flower / Egg Shell Half	Pearl Gold	In 54 sets
1		64644	Equipment Telescope / Torch / Spyglass, Support Round 1 x 1 x 1 2/3	Pearl Gold	In 307 sets
1		25516	Headwear Accessory Crown Long with Bar	Pearl Gold	In 12 sets
1		33172	Plant, Carrot	Pearl Gold	In 5 sets
1		26047	Plate Special 1 x 1 Rounded with Handle	Pearl Gold	In 197 sets
2		15070	Plate Special 1 x 1 with Vertical Tooth	Pearl Gold	In 111 sets
1		1745	Plate Special Round 1 x 2 Half Circle with Stud (Jumper)	Pearl Gold	In 37 sets
1		39739	Tile 1 x 1 Heart	Pearl Gold	In 46 sets
1		15712	Tile Special 1 x 1 with Clip with Rounded Edges	Pearl Gold	In 313 sets
3		20482	Tile Special Round 1 x 1 with Hollow Bar	Pearl Gold	In 301 sets
1		30046	Window 1 x 2 x 2 2/3 Pane Lattice Diamond with Rounded Top	Pearl Gold	In 92 sets
3		38320	Window Pane Latticed 1 x 2 x 2	Pearl Gold	In 67 sets
1		89678	Technic Pin 1/2 with Friction	Red	In 372 sets
1		44375b	Dish 6 x 6 Inverted (Radar) with Solid Studs	Reddish Orange	In 2 sets
1		4477	Plate 1 x 10	Tan	In 188 sets
1		4032a	Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening)	Tan	In 353 sets
1		60474	Plate Round 4 x 4 with Pin Hole	Tan	In 80 sets
2		18980	Plate Round Corners 2 x 6 Double	Tan	In 89 sets
2		60897	Plate Special 1 x 1 with Clip Vertical [Thick Open O Clip]	Tan	In 146 sets
1		30044	Window 1 x 2 x 2 2/3 with Rounded Top	Tan	In 22 sets
1		60592	Window 1 x 2 x 2 Flat Front	Tan	In 66 sets
1		59900	Cone 1 x 1 [Top Groove]	Trans-Bright Green	In 84 sets
5		2654	Plate Round 2 x 2 with Rounded Bottom [Boat Stud]	Trans-Clear	In 287 sets
1		30153	Rock 1 x 1 Jewel / Gem 24 Facet	Trans-Clear	In 180 sets
1		59900	Cone 1 x 1 [Top Groove]	Trans-Dark Pink	In 83 sets
2		6141	Plate Round 1 x 1 with Solid Stud	Trans-Dark Pink	In 180 sets
1		30153	Rock 1 x 1 Jewel / Gem 24 Facet	Trans-Dark Pink	In 175 sets
1		6223	Brick 2 x 2 without Inside Ridges	Trans-Light Blue	In 8 sets
2		5841	Brick Curved 1 x 2 x 1 with Curved Top	Trans-Light Blue	In 7 sets
2		85861	Plate Round 1 x 1 with Open Stud	Trans-Light Blue	In 162 sets
2		25269	Tile Round 1 x 1 Quarter	Trans-Light Blue	In 45 sets
1		59900	Cone 1 x 1 [Top Groove]	Trans-Purple	In 108 sets
1		59900	Cone 1 x 1 [Top Groove]	Trans-Yellow	In 177 sets
2		6141	Plate Round 1 x 1 with Solid Stud	Trans-Yellow	In 1,085 sets
1		112958pr0001	Animal, Foal, Long Mane, Lavender Tail, Black Eyes Print	White	Exclusive
3		3004	Brick 1 x 2	White	In 2,056 sets
1		3003	Brick 2 x 2	White	In 1,207 sets
1		3002	Brick 2 x 3	White	In 745 sets
2		92950	Brick Arch 1 x 6 Raised Arch	White	In 121 sets
2		7126	Brick Curved 1 x 1	White	In 42 sets
7		49307	Brick Curved 1 x 1 x 2/3 Double Curved Top, No Studs	White	In 235 sets
4		5907	Brick Curved 1 x 2 x 1 2/3 with 1 Cutout	White	In 35 sets
9		5841	Brick Curved 1 x 2 x 1 with Curved Top	White	In 76 sets
3		47457	Brick Curved 2 x 2 x 2/3 Two Studs and Curved Slope End	White	In 156 sets
1		6215	Brick Curved 2 x 3	White	In 104 sets
1		93606	Brick Curved 4 x 2 No Studs	White	In 119 sets
6		24201	Brick Curved Inverted 2 x 1	White	In 196 sets
4		1750	Brick Curved Inverted 2 x 2 with 1 x 2 Cutouts	White	In 44 sets
4		15395	Brick Round 2 x 2 Dome Bottom [Open Stud]	White	In 152 sets
1		4286	Brick Sloped 33° 3 x 1	White	In 322 sets
2		2752	Brick Sloped Inverted 33° 3 x 2, Connections between Studs, Round Bottom Pin	White	In 26 sets
12		3024	Plate 1 x 1	White	In 1,506 sets
1		3623	Plate 1 x 3	White	In 1,097 sets
2		3666	Plate 1 x 6	White	In 1,186 sets
2		3022	Plate 2 x 2	White	In 1,750 sets
4		3021	Plate 2 x 3	White	In 1,360 sets
1		3020	Plate 2 x 4	White	In 1,731 sets
1		3795	Plate 2 x 6	White	In 1,076 sets
1		77844	Plate 3 x 3 Corner	White	In 97 sets
1		2639	Plate 4 x 4 Corner	White	In 65 sets
1		41539	Plate 8 x 8	White	In 57 sets
5		4032a	Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening)	White	In 722 sets
1		60474	Plate Round 4 x 4 with Pin Hole	White	In 274 sets
1		11213	Plate Round 6 x 6 with Hole	White	In 102 sets
2		79491	Plate Round Corner 2 x 2 with 1 x 1 Cutout	White	In 46 sets
2		60897	Plate Special 1 x 1 with Clip Vertical [Thick Open O Clip]	White	In 316 sets
4		15573	Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper)	White	In 922 sets
2		65509	Plate Special 2 x 4 with Groove and Two Center Studs (Jumper)	White	In 69 sets
2		3070b	Tile 1 x 1 with Groove	White	In 901 sets
2		1748	Tile Round 1 x 2 Half Circle	White	In 154 sets
2		36841	Bracket 1 x 1 - 1 x 1	Yellow	In 31 sets
6		73825	Bracket 1 x 1 - 1 x 2 Inverted	Yellow	In 43 sets
2		4070	Brick Special 1 x 1 with Headlight	Yellow	In 307 sets
2		18980	Plate Round Corners 2 x 6 Double	Yellow	In 18 sets
3		15573	Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper)	Yellow	In 256 sets
1		3069b	Tile 1 x 2 with Groove	Yellow	In 694 sets
12		3062b	Brick Round 1 x 1 Open Stud	Yellowish Green	In 6 sets
5		85080	Brick Round Corner 2 x 2 Macaroni with Stud Notch and Reinforced Underside [New Style]	Yellowish Green	In 2 sets
1		38317	Cone Half 2 x 4 x 3	Yellowish Green	Exclusive
2		79393	Tile 3 x 3 Curved, Macaroni	Yellowish Green	In 3 sets
2		20482	Tile Special Round 1 x 1 with Hollow Bar	Yellowish Green	In 58 sets
1		3024	Plate 1 x 1	Blue	In 456 sets	extra
1		54200	Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope)	Bright Light Yellow	In 38 sets	extra
1		3024	Plate 1 x 1	Bright Light Yellow	In 81 sets	extra
1		25269	Tile Round 1 x 1 Quarter	Bright Light Yellow	In 89 sets	extra
1		25269	Tile Round 1 x 1 Quarter	Dark Azure	In 83 sets	extra
1		33183	Plant, Carrot Top	Lime	In 28 sets	extra
1		1748	Tile Round 1 x 2 Half Circle	Medium Azure	In 35 sets	extra
1		89522	Creature Body Part, Horn (Unicorn)	Pearl Gold	In 81 sets	extra
2		7199	Creature Body Part, Horn (Unicorn) with Small Pin	Pearl Gold	In 4 sets	extra
1		25516	Headwear Accessory Crown Long with Bar	Pearl Gold	In 12 sets	extra
1		39739	Tile 1 x 1 Heart	Pearl Gold	In 46 sets	extra
1		20482	Tile Special Round 1 x 1 with Hollow Bar	Pearl Gold	In 301 sets	extra
1		38320	Window Pane Latticed 1 x 2 x 2	Pearl Gold	In 67 sets	extra
1		89678	Technic Pin 1/2 with Friction	Red	In 372 sets	extra
1		30153	Rock 1 x 1 Jewel / Gem 24 Facet	Trans-Clear	In 180 sets	extra
1		6141	Plate Round 1 x 1 with Solid Stud	Trans-Dark Pink	In 180 sets	extra
1		30153	Rock 1 x 1 Jewel / Gem 24 Facet	Trans-Dark Pink	In 175 sets	extra
1		85861	Plate Round 1 x 1 with Open Stud	Trans-Light Blue	In 162 sets	extra
1		25269	Tile Round 1 x 1 Quarter	Trans-Light Blue	In 45 sets	extra
1		6141	Plate Round 1 x 1 with Solid Stud	Trans-Yellow	In 1,085 sets	extra
1		3024	Plate 1 x 1	White	In 1,506 sets	extra
1		3070b	Tile 1 x 1 with Groove	White	In 901 sets	extra
1		1748	Tile Round 1 x 2 Half Circle	White	In 154 sets	extra
1		20482	Tile Special Round 1 x 1 with Hollow Bar	Yellowish Green	In 58 sets	extra

Building instructions

• BI 3101, 108+4, 31175 1/3 V29
• BI 3101, 56, 31175 2/3 V29
• BI 3101, 56, 31175 3/3 V29
• BI 3101, 108+4, 31175 1/3 V39
• BI 3101, 56, 31175 2/3 V39
• BI 3101, 56, 31175 3/3 V39

PDFs from LEGO.com. The same booklet is often printed in several versions (e.g. V29 EU A4 format, V39 US Letter format).