# LEGO 42661-1 — Costume Party with Unicorn & Fairy (2025)

Source: https://www.brickmissing.com/sets/42661-1-costume-party-with-unicorn-fairy
Publisher: BrickMissing (https://www.brickmissing.com) — free LEGO parts checker. Not affiliated with the LEGO Group.

Step into a world of friendship and imagination with the LEGO Friends Costume Party with Unicorn & Fairy (42661). This set is packed with storytelling inspiration for engaging role-play. Join Autumn as a bumblebee and Olly as a merman, ready for fun. Churro the cat, dressed as a magician, even has Leo as his white bunny assistant. Paisley shines in her fairy costume, while Periwinkle the horse transforms into a magnificent unicorn. The friends gather for an unforgettable party featuring a stage, DJ booth, and delicious snacks. Capture every moment at the photo booth, complete with exciting accessories for endless posing. Discover more adventures in the LEGO Friends universe.

## Set facts

- Set number: 42661-1
- Name: Costume Party with Unicorn & Fairy
- Theme: Friends › General
- Released: 2025
- Pieces: 262
- Distinct part + colour lots: 138
- LEGO retail price: € 39,99
- Build difficulty: intermediate
- Repairability: 17.4% of this set's lots are hard to replace (24 of 138 part+colour combinations appear in three or fewer sets in the entire LEGO catalog).

## Complete parts list (138 lots, 262 pieces)

Prices are the official LEGO Pick a Brick price per individual part, where LEGO publishes one.

| Qty | Part | Colour | Part no. | LEGO element ID | LEGO price each |
| ---: | --- | --- | --- | --- | --- |
| 1 | Sticker Sheet for Set 42661-1 | Unknown | 10112472 | 6538803 | — |
| 1 | Headwear Accessory Bow with Heart, Long Ribbon and Pin | Red | 11618 | 6499709 | €0,08 |
| 1 | Plate Special 1 x 2 with 5.9mm Centre Side Towball | Dark Bluish Gray | 14417 | 6039479 | €0,16 |
| 1 | Tile Round 2 x 2 with Vinyl Record, Bright Light Orange Center, Magenta Music Note print | Black | 14769pr1252 | 6431014 | €0,40 |
| 2 | Brick Round 2 x 2 Dome Bottom [Open Stud] | Bright Pink | 15395 | 6541655 | €0,17 |
| 2 | Brick Round 2 x 2 Dome Bottom [Open Stud] | Medium Azure | 15395 | 6132411 | €0,17 |
| 8 | Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper) | Medium Azure | 15573 | 6331949 | €0,06 |
| 1 | Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper) | White | 15573 | 6051511 | €0,06 |
| 1 | Tile Round 1 x 2 Half Circle | Medium Azure | 1748 | 6510074 | €0,13 |
| 1 | Tile 4 x 4 | Black | 1751 | 6469830 | €0,52 |
| 1 | Plate Special Round 2 x 2 with Center Stud (Jumper Plate) | Dark Pink | 18674 | 6223767 | €0,07 |
| 1 | Plate Round Corners 2 x 6 Double | Medium Azure | 18980 | 6292824 | €0,18 |
| 1 | Plate Round Corners 2 x 6 Double | Vibrant Yellow | 18980 | 6388034 | €0,18 |
| 1 | Creature Body Part, Wing 4 x 7 Right with Feathers and Handles for Clips | Flat Silver | 20312 | 6398396 | €0,50 |
| 1 | Creature Body Part, Wing 4 x 7 Left with Feathers and Handles for Clips | Flat Silver | 20313 | 6398397 | €0,50 |
| 4 | Tile Round 1 x 1 with Hollow Bar | Bright Pink | 20482 | 6230579 | €0,05 |
| 8 | Tile Round 1 x 1 with Hollow Bar | Yellowish Green | 20482 | 6223506 | €0,05 |
| 2 | Tile Round 1 x 1 with Hollow Bar | Bright Light Orange | 20482 | 6223719 | €0,05 |
| 1 | Tile Round 1 x 1 with Hollow Bar | Black | 20482 | 6186675 | €0,05 |
| 1 | Plant, Cherries | Red | 22667 | 6100565 | €0,08 |
| 4 | Bar Holder with Hole and Bar Handle | White | 23443 | 6322489 | €0,07 |
| 6 | Tile Round 1 x 1 Half Circle | Medium Azure | 24246 | 6375606 | €0,06 |
| 6 | Tile Round 1 x 1 Half Circle | Dark Purple | 24246 | 6313558 | €0,06 |
| 2 | Tile Round 1 x 1 Quarter | White | 25269 | 6172366 | €0,05 |
| 1 | Plate Special 1 x 2 Side Handle [Free Ends] | White | 2540 | 4140583 | €0,07 |
| 4 | Antenna 8H Whip | Trans-Dark Pink | 2569 | 6362970 | €0,33 |
| 1 | Animal, Cat, Chubby with Olive Green Eyes, Orange Fur, Black Mustache print | White | 2652pr0006 | 6537804 | — |
| 1 | Tile 2 x 3 | Medium Azure | 26603 | 6233166 | €0,11 |
| 2 | Tile 4 x 4 Curved, Macaroni | Coral | 27507 | 6458179 | €0,15 |
| 2 | Tile 2 x 2 Curved, Macaroni | Bright Green | 27925 | 6382958 | €0,08 |
| 1 | Lever Small Base with Black Lever | White | 298c02 | 73737 | €0,19 |
| 1 | Brick Curved 2 x 2, Two Top Studs | White | 30165 | 4624989 | €0,16 |
| 1 | Plate 2 x 3 | Light Aqua | 3021 | 6426724 | €0,13 |
| 1 | Plate 2 x 2 | White | 3022 | 302201 | €0,10 |
| 1 | Plate 2 x 2 | Dark Orange | 3022 | 4615606 | €0,10 |
| 4 | Plate 1 x 2 | Vibrant Yellow | 3023 | 6382324 | €0,08 |
| 2 | Plate 1 x 2 | White | 3023 | 302301 | €0,08 |
| 2 | Plate 1 x 2 | Coral | 3023 | 6258094 | €0,08 |
| 2 | Plate 1 x 2 | Dark Azure | 3023 | 4653988 | €0,08 |
| 1 | Plate 4 x 12 | White | 3029 | 4168072 | €0,63 |
| 1 | Plate 4 x 6 | White | 3032 | 303201 | €0,41 |
| 2 | Bar 4L (Lightsaber Blade / Wand) | Trans-Light Blue | 30374 | 6507882 | €0,08 |
| 2 | Bar 4L (Lightsaber Blade / Wand) | Trans-Dark Pink | 30374 | 6507885 | €0,08 |
| 1 | Brick 1 x 2 without Bottom Tube | Trans-Orange | 3065 | 6514273 | €0,12 |
| 1 | Brick 1 x 2 without Bottom Tube | Trans-Dark Pink | 3065 | 6514270 | €0,12 |
| 1 | Brick 1 x 2 without Bottom Tube | Trans-Bright Green | 3065 | 6514269 | €0,12 |
| 1 | Tile 2 x 2 with Groove | Black | 3068b | 306826 | €0,07 |
| 3 | Tile 1 x 2 with Groove | Bright Green | 3069b | 6195258 | €0,07 |
| 1 | Tile 1 x 2 with Groove | Orange | 3069b | 4188771 | €0,07 |
| 5 | Tile 1 x 2 with Groove | Bright Pink | 3069b | 4580010 | €0,07 |
| 2 | Brick Round 2 x 2 Dome Top, Vented Stud | Bright Pink | 3262 | 6519484 | €0,13 |
| 2 | Brick Round 2 x 2 Dome Top, Vented Stud | Medium Azure | 3262 | 6429058 | €0,13 |
| 1 | Slope Curved 2 x 2 x 2/3 Inverted | White | 32803 | 6210385 | €0,11 |
| 2 | Slope Curved 2 x 2 x 2/3 Inverted | Bright Green | 32803 | 6404643 | €0,11 |
| 4 | Plate Round 1 x 1 with Hollow Stud and Horizontal Bar 1L | Light Bluish Gray | 32828 | 6227897 | €0,05 |
| 1 | Plant, Carrot | Orange | 33172 | 6424015 | €0,12 |
| 1 | Plant, Carrot Top | Lime | 33183 | 6420268 | €0,07 |
| 1 | Plate 1 x 8 | Bright Pink | 3460 | 6143789 | €0,18 |
| 4 | Tile Special 1 x 3 Inverted with Center Hole | White | 35459 | 6223491 | €0,12 |
| 2 | Plate Special 3 x 5 Cloud with 3 Center Studs | White | 35470 | 6223667 | €0,28 |
| 1 | Brick 1 x 3 | Light Aqua | 3622 | 6295228 | €0,15 |
| 2 | Plate 1 x 6 | Dark Purple | 3666 | 4655691 | €0,17 |
| 2 | Plate 1 x 6 | Vibrant Yellow | 3666 | 6525159 | €0,17 |
| 2 | Plate 1 x 4 | White | 3710 | 371001 | €0,12 |
| 5 | Plate 2 x 6 | Vibrant Yellow | 3795 | 6391549 | €0,19 |
| 1 | Plate 2 x 6 | Medium Azure | 3795 | 6146926 | €0,19 |
| 1 | Plate 2 x 10 | Bright Green | 3832 | 6462430 | €0,29 |
| 1 | Equipment Cup / Teacup Saucer with Recessed Stud on Top [PLAIN] | White | 38799 | 6508151 | €0,12 |
| 1 | Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) | Yellow | 4032a | 403224 | €0,06 |
| 1 | Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) | Orange | 4032a | 6030521 | €0,06 |
| 1 | Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) | Bright Green | 4032a | 6138624 | €0,06 |
| 1 | Hair Scruffy and Swept Right | Reddish Brown | 40938 | 6424457 | €0,29 |
| 4 | Bracket 2 x 2 with 1 x 2 Vertical Studs | White | 41682 | 6250019 | €0,17 |
| 4 | Bracket 2 x 2 with 1 x 2 Vertical Studs | Dark Azure | 41682 | 6424641 | €0,17 |
| 1 | Plate 8 x 8 with Rounded End | Medium Azure | 41948 | 6296050 | €0,93 |
| 6 | Plate Special 2 x 2 x 2/3 with Two Studs On Side and Two Raised - Updated Version | Light Aqua | 4304 | 6470182 | €0,11 |
| 2 | Dish 2 x 2 Inverted [Radar] | Trans-Bright Green | 4740 | 6589436 | €0,10 |
| 2 | Plate Special 1 x 2 [Side Handle Closed Ends] | Medium Azure | 48336 | 6236582 | €0,07 |
| 4 | Plate Round 1 x 1 with Hollow Stud and Underside Clip | Black | 5264 | 6534180 | €0,12 |
| 1 | Plate Round 1 x 1 Swirled Top / Poo | Lavender | 53119 | 6492250 | €0,08 |
| 1 | Cone 1 x 1 [Top Groove] | Trans-Orange | 59900 | 6172233 | €0,08 |
| 1 | Cone 1 x 1 [Top Groove] | Trans-Bright Green | 59900 | 6514024 | €0,08 |
| 1 | Cone 1 x 1 [Top Groove] | Trans-Dark Pink | 59900 | 6337637 | €0,08 |
| 2 | Plate Special 1 x 2 with Clips Horizontal [Open O Clips] | White | 60470b | 6347287 | €0,16 |
| 6 | Plate Special 1 x 1 with Clip Vertical [Thick Open O Clip] | Medium Azure | 60897 | 6445843 | €0,08 |
| 1 | Equipment Magic Wand | Trans-Dark Pink | 6124 | 6245512 | €0,17 |
| 4 | Plate Special 1 x 1 with Clip Horizontal [Thick Open O Clip] | Dark Purple | 61252 | 6347297 | €0,13 |
| 1 | Plate Round 1 x 1 with Solid Stud | Opal Trans-Clear | 6141 | 6430373 | €0,05 |
| 2 | Plate Round 1 x 1 with Solid Stud | Light Aqua | 6141 | 6382504 | €0,05 |
| 2 | Plate Round 1 x 1 with Solid Stud | Medium Azure | 6141 | 6102986 | €0,05 |
| 2 | Tile 1 x 3 | Medium Azure | 63864 | 6097492 | €0,11 |
| 6 | Bar, Angled with 1 x 1 Round Plate / Stud on End | Trans-Clear | 65578 | 6510188 | €0,10 |
| 2 | Tile 1 x 6 with Groove | Medium Azure | 6636 | 6185309 | €0,13 |
| 1 | Plant, Sunflower 2 x 2 with 16 Petals | Yellow | 6901 | 6509767 | €0,24 |
| 1 | Animal, Horse with Raised Leg, Dark Pink Mane and Tail, Dark Azure Eyes print | White | 69830pr0008 | 6543255 | €8,63 |
| 1 | Creature Body Part, Horn (Unicorn) with Small Pin | Opal Trans-Clear | 7199 | 6527047 | €0,57 |
| 1 | Top Hat with Pin and Anti-Stud | Black | 77108 | 6485111 | €0,29 |
| 2 | Plate Special 1 x 2 with Clip Vertical on End | Medium Azure | 78256 | 6441239 | €0,19 |
| 2 | Tile 3 x 3 Curved, Macaroni | Vibrant Yellow | 79393 | 6545922 | €0,28 |
| 1 | Food Cupcake with Stud | Light Aqua | 79743 | 6361352 | €0,18 |
| 4 | Brick Round Corner 2 x 2 Macaroni with Stud Notch and Reinforced Underside [New Style] | Medium Azure | 85080 | 6176171 | €0,10 |
| 1 | Plate Round 1 x 1 with Open Stud | Dark Pink | 85861 | 6230582 | €0,04 |
| 1 | Brick Special 1 x 1 with Stud on 1 Side | Orange | 87087 | 6431334 | €0,11 |
| 1 | Brick Special 1 x 1 with Stud on 1 Side | Bright Green | 87087 | 6464978 | €0,11 |
| 1 | Brick Special 1 x 1 with Stud on 1 Side | Bright Pink | 87087 | 4621554 | €0,11 |
| 1 | Panel 1 x 2 x 2 [Side Supports / Hollow Studs] | Medium Azure | 87552 | 6369854 | €0,15 |
| 2 | Plate Special 2 x 2 with Groove and Center Stud (Jumper) | Coral | 87580 | 6287638 | €0,07 |
| 10 | Plate Special 2 x 2 with Groove and Center Stud (Jumper) | Bright Pink | 87580 | 6251842 | €0,07 |
| 3 | Plate Special 2 x 2 with Groove and Center Stud (Jumper) | Medium Azure | 87580 | 6126090 | €0,07 |
| 1 | Bar 3L | Dark Green | 87994 | 6525789 | €0,06 |
| 2 | Plate Special 1 x 2 with Bar Up [Horizontal Arm 5mm] | Light Bluish Gray | 88072 | 6261353 | €0,18 |
| 1 | Weapon Trident | Pearl Gold | 92290 | 6270116 | €0,21 |
| 1 | Slope Curved 4 x 1 Double with No Studs | White | 93273 | 6023806 | €0,15 |
| 1 | Tile Round 1 x 1 | Dark Brown | 98138 | 6322813 | €0,04 |
| 2 | Tile Round 1 x 1 with Pink Donut print | Medium Nougat | 98138pr0090 | 6329593 | €0,13 |
| 2 | Tile Round 1 x 1 with Christmas Cookie print | Tan | 98138pr0255 | 6361753 | €0,16 |
| 1 | Headwear Accessory Antenna | Black | 6899 | 6546170 | €2,43 |
| 1 | Minidoll Hips and Layered Skirt with Black Boots, Yellow Legs, Laces print | Black | 36178c01pr0002 | 6546404 | — |
| 1 | Hair Long, Thick Braid | Dark Orange | 3201 | 6546393 | — |
| 1 | Plant, Flower with 5 Pointed Petals and Pin | Light Aqua | 18853 | 6500671 | €0,06 |
| 1 | Minidoll Head with Dark Orange Eyebrows, Black Fly Goggle print | Light Nougat | 92198pr0073 | 6537795 | — |
| 1 | Minidoll Torso with Left Limb Reduction, Light Nougat Arms and Hand with Black/Yellow Striped Top (Bee) print | Light Nougat | 100811c01pr0007 | 6546398 | — |
| 1 | Foil Sheet for Set 42661-1 - Insect Wings | Unknown | 10112446b | — | — |
| 1 | Minidoll Head Thick Black Eyebrows, Reddish Brown Eyes, Smile print | Medium Nougat | 92198pr0335 | 6416551 | €0,57 |
| 1 | Minidoll Torso Boy with Medium Nougat Arms and Hands with White/Lime Vest, Bright Green Suspenders with Carrots, Dark Pink Shirt print | Medium Nougat | 11408c02pr0015 | 6546367 | — |
| 1 | Costume / Mask, Rabbit / Bunny Ears [Plain] | White | 99244 | 6546358 | €0,90 |
| 1 | Minidoll Hips and Trousers with Back Pockets [Thin Hinge] | White | 2277c01 | 6471108 | €0,69 |
| 1 | Hair, Short Pointy, Wavy in Front | Red | 2631 | 6549058 | €0,29 |
| 1 | Minidoll Hips and Fishtail (Mermaid) with Satin Trans-Light Blue Tail print | Medium Azure | 16530c01pr0005 | 6546449 | €3,24 |
| 1 | Minidoll Neckwear, Pointed Shoulder Pads | Pearl Gold | 5106 | 6581875 | €0,57 |
| 1 | Minidoll Head Purple Glasses, Dark Turquoise Eyes, Open Mouth Smile | Warm Tan | 92198pr0358 | 6416639 | €0,57 |
| 1 | Minidoll Torso Boy with Warm Tan Arms and Hands with Light Aqua Shrt, Gold Belt, Star, Shells On Necklace print | Warm Tan | 11408c07pr0011 | 6546442 | — |
| 1 | Minidoll Hips and Mid-Length Shorts with Light Nougat Legs, Lavender Sandals print | Bright Pink | 2241c01pr0030 | 6537809 | — |
| 1 | Hair, Long Weavy, Tail | Dark Red | 6977 | 6547052 | €0,90 |
| 1 | Minidoll Head Dark Red Eyebrows, Bright Pink Eyeshadow, Bright Light Blue Eyes, Crooked Smile | Light Nougat | 92198pr0071 | 6537805 | — |
| 1 | Minidoll Torso Girl with Light Nougat Arms and Hands with Lavender Dress, Flowers, Dark Blue Trim, Silver Necklace print | Light Nougat | 92456c01pr0130 | 6557655 | — |
| 1 | Foil Sheet for Set 42661-1 - Fairy/Butterfly Wings | Unknown | 10112446a | — | — |
| 1 | Headwear Accessory Crown / Tiara | Pearl Gold | 33322 | 6173109 | €0,10 |

## Notes

- Track which of these parts you own and see what is missing: https://www.brickmissing.com/sets/42661-1-costume-party-with-unicorn-fairy
- Inventory data is based on official LEGO inventories via the Rebrickable catalog, updated daily.
- Part images, minifigure lists and related sets are on the set page: https://www.brickmissing.com/sets/42661-1-costume-party-with-unicorn-fairy