Costume Party with Unicorn & Fairy 42661
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Lego® Friends 42661 Costume Party with Unicorn & Fairy

Friends
The Lego set Costume Party with Unicorn & Fairy with the Lego number 42661 is part of the LEGO Friends theme. The set was released in May of 2025. It contains 8 minifigures. The model consists of a total of 261 parts and we estimate it takes you around < 1 hour to build it.
The set weighs around 0.331 kg in total. The recommended retail price is £34.99.
Our Brickfact Lego price comparison compares prices from 2 shops for this set. Currently Amazon.co.uk has the lowest price at £26.24. This corresponds to a per piece price of £0.10. With this offer, you save £8.75 off the suggested retail price and get the set at a 25% discount.
You will also receive 280 Insiders points if you decide to buy the set from the official Lego store. You can exchange them for discount coupons for future purchases.
The Part-Out-Value (POV) is the sum of all part prices paid on bricklink.com for this set. It is about £45.49. You save around £19.25 if you buy this set directly at Amazon.co.uk instead of purchasing the bricks on bricklink.com. Therefore, the current best offer has a POV rate of 1.73. The POV Rate is the ratio of Part-Out-Value to the current best price on Brickfact.com.
Disclosure: As members of the Amazon Partner Program, eBay Partner Network and other affiliate programs of retailers such as LEGO, we earn from qualified sales that you make via links to the respective platforms and stores on our website.

Lego 42661 price comparison

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Lego 42661 product data

Set Information

Set ID
42661
Theme
Pieces
261
Building Time
< 1 hour
Minifigures
8

Availability

Release
05/2025
Retiring Status
Begin of Life

Price Information

RRP
£34.99
Insiders Points (for purchase at Lego)
280
Part Out Value
£45.49
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Packaging

Weight
0.331 kg
EAN (GTIN13)
5702017815275

Lego 42661 price trend

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Minifigures from 42661 Costume Party with Unicorn & Fairy

The Costume Party with Unicorn & Fairy set includes 8 different minifigures, 8 of which are unique to this set. The combined value of the minifigures is £37.31, which is ~107% of the RRP of this set.
x1
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Friends Autumn - Bumblebee Costume
Friends
time-logo
2025
# frnd850
£5.57
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Unique
x1
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Friends Leo - Bunny / Rabbit Costume
Friends
time-logo
2025
# frnd852
£4.86
Unique
x1
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Friends Olly - Merman Costume
Friends
time-logo
2025
# frnd851
£4.86
Unique
x1
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Friends Paisley - Fairy Costume
Friends
time-logo
2025
# frnd849
£5.57
Unique
x1
Thumbnail of minifigure frnd0850
Friends Autumn - Bumblebee Costume
Friends
time-logo
2025
# frnd0850
£4.75
Unique
x1
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Friends Leo - Bunny / Rabbit Costume
Friends
time-logo
2025
# frnd0852
£3.68
Unique
x1
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Friends Olly - Merman Costume
Friends
time-logo
2025
# frnd0851
£3.61
Unique
x1
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Friends Paisley - Fairy Costume
Friends
time-logo
2025
# frnd0849
£4.42
Unique

Official Set Description for LEGO 42661 Costume Party with Unicorn & Fairy

Here’s a kids’ building kit packed with storytelling inspiration. The LEGO® Friends Costume Party with Unicorn & Fairy (42661) set for girls and boys aged 6 and up comes with 4 LEGO Friends minidolls, a cat figure and a horse figure. It also features lots of cute party accessories for pretend play.

Kids can create their own fun stories and act out social situations as the friends try on their costumes. Autumn is dressing as a bumblebee and Olly is a merman. Churro the cat joins in the fun in a magician costume with Leo as his white bunny. Paisley wears a fairy costume and Periwinkle the horse transforms into a unicorn. The friends enjoy a party with a stage, DJ booth and snacks. There’s also a photo booth with fun accessories where the friends can pose for pictures.

Discover more friendship toys and gifts (sold separately) in the LEGO Friends universe. This set comes with the LEGO Builder app for intuitive building. Here kids can zoom in, rotate models and track progress as they build.

  • A building kit to inspire imaginative play – This kids’ LEGO® Friends Costume Party with Unicorn & Fairy includes a fun party scene with a DJ booth to delight girls and boys aged 6 and up
  • 4 minidolls and 2 LEGO® animal figures – Get the party started with Autumn, Olly, Leo, Paisley and their pets as they dress up as a bumblebee, merman, magician, bunny, fairy and a unicorn
  • Inspire creative play – This set is packed with fun details and cute accessories to encourage imaginative storytelling as kids make up adventures and act out social situations for the characters
  • Costume-party accessories – This LEGO® toy comes with lots of accessories to spark role play, including a slushie machine, cakes, drinks, balloons, hats, a merman’s trident, a fairy wand and more
  • A gift for kids who love creative toys – This building playset makes a great birthday gift or anytime treat for boys and girls who enjoy telling their own friendship stories
  • Online show – Inspire more creative-play ideas withother sets (sold separately) and the LEGO® Friends: The Next Chapter online show, where kids can get to know the characters of Heartlake City
  • A helping hand – Discover intuitive instructions in the LEGO® Builder app, where builders can zoom in and rotate models in 3D, track their progress and save sets as they develop new skills
  • Measurements – 261-piece set with a main model measuring over 3 in. (8 cm) high, 9.5 in. (25 cm) wide and 2 in. (5 cm) deep

Building Instruction for LEGO 42661 Costume Party with Unicorn & Fairy

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