Ages 8+

Unicorn Castle (31175)

Name: Unicorn Castle
Brand: LEGO
SKU: 31175
Rating: 4.7 (4 reviews)

LEGO.com RRP:

£34.99

LEGO.com

★4.7

(4 reviews)

🧱 390 pieces - : £0.09

Available From

LEGO.comOfficial

£34.99

Price updated: 26 Apr 2026

View on LEGO →

Building Instructions Brickset

Price Analysis

Lowest Price Ever

£34.99

at LEGO.com · Jan 2026

Average Price (12mo)

£34.99

Current vs Average

0.0%

Near average

Price Trend

Stable

Last 30 days

Best Month to Buy

January

Value Score

7.0/10

Price-per-piece vs theme avg

The lowest price we've recorded for Unicorn Castle is £34.99 at LEGO.com in January 2026. The current price is close to the 12-month average of £34.99. Historically, January tends to offer the best prices for this set.

Price History & Buying Verdict

VerdictNo strong signal yet

•On price-per-piece, this is one of the better-value sets in the Creator 3-in-1 range (value score 7.0/10 vs theme average).

We've been tracking the price of LEGO Creator 3-in-1 Unicorn Castle (390 pieces) for 102 days, recording 9 data points across LEGO.com and major UK retailers. Over that period the price has dropped 0 times below previous levels, with the lowest price ever recorded being £34.99 at LEGO.com in January 2026.

The 12-month average sale price for set 31175 works out to £34.99 — that's 0% above the LEGO RRP of £34.99. The highest price we recorded across our tracked retailers was £34.99, giving a range of about £0.00 between the cheapest and most expensive observation.

Historically, January has produced the lowest average prices for Unicorn Castle, so if you're not in a hurry it's worth bookmarking the page closer to that window.

Want to see how LEGO Unicorn Castle (set 31175) compares against other sets? Browse the best-value LEGO sets or check the full price-history tracker.

Description

Unicorn Castle (31175) is a LEGO Creator 3-in-1 set with 390 pieces, with an RRP of £34.99. Prices have been stable over the last 30 days. With a value score of 7.0/10, this set offers excellent value compared to other Creator 3-in-1 sets.

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.

Features

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, including animals, 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

Frequently Asked Questions about Unicorn Castle

What is the best price for LEGO Unicorn Castle (Set 31175)?

LEGO Unicorn Castle (Set #31175) is currently priced at £34.99 on LEGO.com. We continuously monitor prices across multiple UK retailers to find you the best deals.

How many pieces are in LEGO set 31175?

LEGO Unicorn Castle (Set #31175) contains 390 pieces. At the LEGO.com price of £34.99, that works out to approximately 9.0p per piece.

What age is LEGO Unicorn Castle suitable for?

LEGO Unicorn Castle (Set #31175) is recommended for ages 8+. This set is part of the LEGO Creator 3-in-1 theme. View all Creator 3-in-1 sets and deals.

Where can I find the building instructions for LEGO Unicorn Castle?

You can download the official building instructions for LEGO Unicorn Castle (Set #31175) for free from LEGO.com. Download the building instructions here. The instructions are available as a PDF and can be viewed on any device.

Where can I buy LEGO Unicorn Castle in the UK?

LEGO Unicorn Castle (Set #31175) is available from LEGO.com at £34.99. We're monitoring other UK retailers for availability. Check our recent price drops for updates.

What is the lowest price ever recorded for LEGO Unicorn Castle?

The lowest price we've recorded for LEGO Unicorn Castle (Set #31175) is £34.99 at LEGO.com in January 2026. That's 0% off the LEGO RRP of £34.99. Track the latest movements on our LEGO price history page.

Is LEGO Unicorn Castle good value for money?

Comparing piece-count to price across the LEGO Creator 3-in-1 theme, this set scores 7.0 / 10 for value. That works out to about 9.0p per piece. That puts Unicorn Castle in the top tier of Creator 3-in-1 sets for raw build value — you're paying noticeably less per brick than the theme average. Compare against other contenders on our best-value LEGO sets page.