Costume Party with Unicorn & Fairy (42661-1) is a set in the Friends theme, released in 2025. It has 240 pieces and 4 minifigures.
In numbers
Over the last 30 days the lowest shop price recorded for this set was 30.04 USD, taken from 30 days with a price on record.
Since 10/6/2026 the lowest shop price has fallen from 32.67 USD to 30.17 USD, by 8 % (based on 30 days with a price on record).
LEGO expects to retire this set in December 2026.
Product details
- Number
- 42661-1
- Name
- Costume Party with Unicorn & Fairy
- Theme
- Friends
- Released
- June 2025
- Launched
- June 2025
- Retires
- December 2026 (expected)
- Pieces
- 240
- Minifigures
- 4
- RRP
- ≈ 35.11 USD (49.99 CAD) (Canada)≈ 44.89 USD (39.99 EUR) (Germany)≈ 46.19 USD (34.99 GBP) (United Kingdom)39.99 USD (United States)
- Price per piece
- ≈ 0.146 USD (0.208 CAD) (Canada)≈ 0.187 USD (0.167 EUR) (Germany)≈ 0.192 USD (0.146 GBP) (United Kingdom)0.167 USD (United States)
- Best price (30 days)
- 30.04 USD
- Price per piece (best offer)
- 0.126 USD
- Barcodes from shop data, not confirmed
- EAN-13 5702017815275
BrickLink market data
We hold no current BrickLink prices for this set right now. BrickLink's own price guide is one click away.
Description from LEGO.com
A social-emotional toy for friendship role-play fun
Read the full description
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.
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Pricing
Price history
- Lowest shop price now30.17 USD
- Lowest ever 30.04 USD
Monthly lows as a table
| Month | Lowest price |
|---|---|
| November 2026 | 30.15 USD |
| October 2026 | 30.04 USD |
Price statistics by condition
Nobody has sold this set recently.
idee+spiel: 48 · LEGO® Shop (US): 40 · Proshop: 39 · LEGO® Shop (FR): 34 · LEGO® Shop (BR): 33 · Thalia: 28 · LEGO® Shop (DE): 27 · LEGO® Shop (AT): 26 · LEGO® Shop (BE): 26 · LEGO® Shop (CH): 26 · LEGO® Shop (CZ): 26 · LEGO® Shop (DK): 26 · LEGO® Shop (GB): 26 · LEGO® Shop (GR): 26 · LEGO® Shop (ES): 25 · LEGO® Shop (FI): 25 · LEGO® Shop (HU): 25 · LEGO® Shop (IE): 25 · LEGO® Shop (IT): 25 · LEGO® Shop (LU): 25 · LEGO® Shop (NL): 25 · LEGO® Shop (NO): 25 · LEGO® Shop (PL): 25 · LEGO® Shop (PT): 25 · LEGO® Shop (RO): 25 · LEGO® Shop (SE): 25 · LEGO® Shop (SK): 25 · Coolblue: 21 · Thalia (AT): 19 · Coolblue (BE): 18 · bücher.de: 18 · OTTO: 15 · Toy Street: 14 · Zatu Games: 14 · Joybuy (UK): 12 · Joybuy (DE): 11 · Joybuy (NL): 11 · Orell Füssli: 9 · Hamleys: 7 · Conrad (BE): 6 · Conrad (DE): 6 · Conrad (NL): 6 · Coolblue (NL): 6 · BRICKMO: 2
Latest price from each shop
Countries (all)
On eBay
We have not seen a current eBay listing for this set.
Building instructions
Parts in this set
147 inventory lines
4 minifigures
Minifigures in this set
Same theme, piece count within 15 %