Name: LEGO Costume Party with Unicorn & Fairy (42661-1)
Brand: LEGO
SKU: 42661-1
Availability: InStock

Costume Party with Unicorn & Fairy (42661-1)

LEGO set 42661-1 Costume Party with Unicorn & Fairy - Image 1

Set details

Name: Costume Party with Unicorn & Fairy
Set number: 42661-1
Year: 2025
Theme: Friends
Number of parts: 262
Number of part types: 140
Age rating: 6+
Retail price:
Retirement date: 31-12-2026

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.

Price History

Track how the lowest available price for set 42661-1 has changed over time.

Browse all 262 parts in set 42661-1 with individual pricing from BrickLink or Brick Owl.

Price source:

Value of parts:
Pricing information known of 134/140 parts.

Part

Color

Quantity

Average price

Total

Value

Animal, Horse with Raised Leg, Dark Pink Mane and Tail, Dark Azure Eyes print

White

1 x

Hair, Long Weavy, Tail

Dark Red

1 x

Creature Body Part, Horn (Unicorn) with Small Pin

Opal Trans-Clear

3 x

Plate Special 2 x 2 x 2/3 with Two Studs On Side and Two Raised - Updated Version

Light Aqua

6 x

Animal, Cat, Chubby with Olive Green Eyes, Orange Fur, Black Mustache print

White

1 x

Plate Round 1 x 1 with Hollow Stud and Underside Clip

Black

5 x

Hair Long, Thick Braid

Dark Orange

1 x

Costume / Mask, Rabbit / Bunny Ears [Plain]

White

1 x

Minidoll Torso Boy with Medium Nougat Arms and Hands with White/Lime Vest, Bright Green Suspenders with Carrots, Dark Pink Shirt print

Medium Nougat

1 x

Minidoll Hips and Layered Skirt with Black Boots, Yellow Legs, Laces print

Black

1 x

Minidoll Hips and Fishtail (Mermaid) with Satin Trans-Light Blue Tail print

Medium Azure

1 x

Hair, Short Pointy, Wavy in Front

Dark Turquoise

1 x

Minidoll Hips and Mid-Length Shorts with Light Nougat Legs, Lavender Sandals print

Bright Pink

1 x

Minidoll Head with Dark Orange Eyebrows, Black Fly Goggle print

Light Nougat

1 x

Minidoll Torso with Left Limb Reduction, Light Nougat Arms and Hand with Black/Yellow Striped Top (Bee) print

Light Nougat

1 x

Minidoll Neckwear, Pointed Shoulder Pads

Pearl Gold

1 x

Bar 3L

Dark Green

2 x

Minidoll Torso Girl with Light Nougat Arms and Hands with Lavender Dress, Flowers, Dark Blue Trim, Silver Necklace print

Light Nougat

1 x

Plate 2 x 6

Vibrant Yellow

5 x

Equipment Cup / Teacup Saucer with Recessed Stud on Top [PLAIN]

White

2 x

Tile Special 1 x 3 Inverted with Center Hole

White

4 x

Plate 1 x 6

Vibrant Yellow

2 x

Minidoll Head Dark Red Eyebrows, Bright Pink Eyeshadow, Bright Light Blue Eyes, Crooked Smile

Light Nougat

1 x

Tile 4 x 4

Black

1 x

Plate Special 2 x 2 with Groove and Center Stud (Jumper)

Bright Pink

10 x

Creature Body Part, Wing 4 x 7 Right with Feathers and Handles for Clips

Flat Silver

1 x

Creature Body Part, Wing 4 x 7 Left with Feathers and Handles for Clips

Flat Silver

1 x

Brick Round 2 x 2 Dome Top, Vented Stud

Bright Pink

2 x

Bracket 2 x 2 with 1 x 2 Vertical Studs

White

4 x

Tile Round 1 x 1 Half Circle

Medium Azure

7 x

Plate 4 x 12

White

1 x

Brick Round 2 x 2 Dome Bottom [Open Stud]

Bright Pink

2 x

Plant, Flower with 5 Pointed Petals and Pin

Light Aqua

1 x

Bracket 2 x 2 with 1 x 2 Vertical Studs

Dark Azure

4 x

Plant, Flower with 5 Pointed Petals and Pin

Light Aqua

1 x

Bar, Angled with 1 x 1 Round Plate / Stud on End

Trans-Clear

6 x

Plate Special 1 x 1 with Clip Vertical [Thick Open O Clip]

Medium Azure

6 x

Slope Curved 2 x 2 x 2/3 Inverted

Bright Green

2 x

Headwear Accessory Antenna

Black

1 x

Brick Special 1 x 1 with Stud on 1 Side

Orange

1 x

Hair Scruffy and Swept Right

Reddish Brown

1 x

Plate 2 x 10

Bright Green

1 x

Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper)

Medium Azure

8 x

Plate Round 1 x 1 Swirled Top / Poo

Lavender

2 x

Bar 4L (Lightsaber Blade / Wand)

Trans-Dark Pink

2 x

Tile Round 1 x 2 Half Circle

Medium Azure

2 x

Weapon Trident

Pearl Gold

2 x

Bar Holder with Hole and Bar Handle

White

4 x

Antenna 8H Whip

Trans-Dark Pink

4 x

Brick 1 x 2 without Bottom Tube

Trans-Orange

1 x

Plate Round 1 x 1 with Hollow Stud and Horizontal Bar 1L

Light Bluish Gray

5 x

Dish 2 x 2 Inverted [Radar]

Trans-Bright Green

2 x

Top Hat with Pin and Anti-Stud

Black

1 x

Plant, Sunflower 2 x 2 with 16 Petals

Yellow

1 x

Headwear Accessory Bow with Heart, Long Ribbon and Pin

Red

1 x

Tile Round 2 x 2 with Vinyl Record, Bright Light Orange Center, Magenta Music Note print

Black

1 x

Tile Round 1 x 1 Half Circle

Dark Purple

7 x

Brick Special 1 x 1 with Stud on 1 Side

Bright Green

1 x

Minidoll Head Purple Glasses, Dark Turquoise Eyes, Open Mouth Smile

Warm Tan

1 x

Panel 1 x 2 x 2 [Side Supports / Hollow Studs]

Medium Azure

1 x

Plate Special 3 x 5 Cloud with 3 Center Studs

White

2 x

Tile Round 1 x 1 with Hollow Bar

Bright Pink

5 x

Brick Round Corner 2 x 2 Macaroni with Stud Notch and Reinforced Underside [New Style]

Medium Azure

4 x

Tile 1 x 6 with Groove

Medium Azure

2 x

Plate 4 x 6

White

1 x

Tile Round 1 x 1 with Hollow Bar

Bright Light Orange

3 x

Minidoll Head Thick Black Eyebrows, Reddish Brown Eyes, Smile print

Medium Nougat

1 x

Plate Round 1 x 1 with Solid Stud

Opal Trans-Clear

2 x

Tile 1 x 2 with Groove

Bright Green

3 x

Plate 1 x 8

Bright Pink

1 x

Tile 2 x 3

Medium Azure

1 x

Tile 1 x 3

Medium Azure

2 x

Tile Round 1 x 1 with Pink Donut print

Medium Nougat

3 x

Tile Round 1 x 1 with Hollow Bar

Yellowish Green

9 x

Plate Special 1 x 1 with Clip Horizontal [Thick Open O Clip]

Dark Purple

4 x

Plate 1 x 2

Vibrant Yellow

4 x

Equipment Magic Wand

Trans-Dark Pink

2 x

Tile 2 x 2 Curved, Macaroni

Bright Green

2 x

Plate Special 1 x 2 [Side Handle Closed Ends]

Medium Azure

2 x

Brick Round 2 x 2 Dome Top, Vented Stud

Medium Azure

2 x

Tile 1 x 2 with Groove

Bright Pink

5 x

Tile Round 1 x 1 with Christmas Cookie print

Tan

3 x

Plate Round 1 x 1 with Solid Stud

Light Aqua

3 x

Plant, Carrot Top

Lime

2 x

Plate 1 x 6

Dark Purple

2 x

Plate 1 x 4

White

2 x

Plate Special 1 x 2 with Clip Vertical on End

Medium Azure

2 x

Bar 4L (Lightsaber Blade / Wand)

Trans-Light Blue

2 x

Slope Curved 2 x 2 x 2/3 Inverted

White

1 x

Brick 1 x 3

Light Aqua

1 x

Tile 2 x 2 with Groove

Black

1 x

Plant, Cherries

Red

2 x

Tile Round 1 x 1 Quarter

White

3 x

Lever Small Base with Black Lever

White

3 x

Plate Round 1 x 1 with Solid Stud

Medium Azure

3 x

Plate 2 x 3

Light Aqua

1 x

Slope Curved 4 x 1 Double with No Studs

White

1 x

Plate 8 x 8 with Rounded End

Medium Azure

1 x

Tile 4 x 4 Curved, Macaroni

Coral

2 x

Tile Round 1 x 1 with Hollow Bar

Black

2 x

Plate 1 x 2

Dark Azure

2 x

Tile Round 1 x 1

Dark Brown

2 x

Plate 1 x 2

Coral

2 x

Plate 1 x 2

White

2 x

Plate Special 1 x 2 with Clips Horizontal [Open O Clips]

White

2 x

Brick Round 2 x 2 Dome Bottom [Open Stud]

Medium Azure

2 x

Plate Round Corners 2 x 6 Double

Vibrant Yellow

1 x

Brick Curved 2 x 2, Two Top Studs

White

1 x

Food Cupcake with Stud

Light Aqua

1 x

Brick 1 x 2 without Bottom Tube

Trans-Bright Green

1 x

Headwear Accessory Crown / Tiara

Pearl Gold

1 x

Headwear Accessory Crown / Tiara

Pearl Gold

1 x

Plate Special 2 x 2 with Groove and Center Stud (Jumper)

Coral

2 x

Plate Round 1 x 1 with Open Stud

Dark Pink

2 x

Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening)

Orange

1 x

Tile 1 x 2 with Groove

Orange

1 x

Plate 2 x 6

Medium Azure

1 x

Plate Special 2 x 2 with Groove and Center Stud (Jumper)

Medium Azure

3 x

Brick 1 x 2 without Bottom Tube

Trans-Dark Pink

1 x

Plate 2 x 2

Dark Orange

1 x

Plate 2 x 2

White

1 x

Plant, Carrot

Orange

1 x

Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening)

Bright Green

1 x

Plate Round Corners 2 x 6 Double

Medium Azure

1 x

Cone 1 x 1 [Top Groove]

Trans-Bright Green

1 x

Plate Special 1 x 2 with Bar Up [Horizontal Arm 5mm]

Light Bluish Gray

2 x

Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper)

White

1 x

Plate Special 1 x 2 with 5.9mm Centre Side Towball

Dark Bluish Gray

1 x

Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening)

Yellow

1 x

Brick Special 1 x 1 with Stud on 1 Side

Bright Pink

1 x

Cone 1 x 1 [Top Groove]

Trans-Dark Pink

1 x

Plate Special 1 x 2 Side Handle [Free Ends]

White

1 x

Plate Special Round 2 x 2 with Center Stud (Jumper Plate)

Dark Pink

1 x

Cone 1 x 1 [Top Groove]

Trans-Orange

1 x

Missing pricing information on the following items.

	Color	Quantity
Tile 3 x 3 Curved, Macaroni	Vibrant Yellow	2
Sticker Sheet for Set 42661-1	[No Color/Any Color]	1
Minidoll Hips and Trousers with Back Pockets [Thin Hinge]	White	1
Foil Sheet for Set 42661-1 - Fairy/Butterfly Wings	[No Color/Any Color]	1
Foil Sheet for Set 42661-1 - Insect Wings	[No Color/Any Color]	1
Minidoll Torso Boy with Warm Tan Arms and Hands with Light Aqua Shrt, Gold Belt, Star, Shells On Necklace print	Warm Tan	1

Compare the value of buying Costume Party with Unicorn & Fairy as a complete set versus the total value of all parts individually.

BrickLink
Condition	Timespan	Avg price	Items sold	Inventory value	Ratio
New	6 months	?	?		?
Used	6 months	?	?		?

Brick Owl
Condition	Timespan	Avg price	Inventory value	Ratio
New	Current			2.05
	6 months	?		?
	1 year	?		?
Used	Current	?		?

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 with other 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

Find the cheapest offers for set 42661-1 from sellers on secondary marketplaces like Brick Owl and eBay.

Item		Price