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LEGO Missing Piece Checker

Rule out the usual hiding places first. If the piece really is gone, check the set piece by piece and leave with the element ID LEGO asks for, or a link to buy the part.

Unicorn & Flamingo Pool Party

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42658 Unicorn & Flamingo Pool Party

91 pieces in 58 part and color combinations, plus 2 minifigures.

The official piece count includes the 8 parts inside the set's minifigures, which this inventory lists separately. Spare parts are counted in neither figure.

Before you call it missing

Builders who report a missing piece often find it in one of these places. Tick each one off as you look.

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Piece checklist

Bricks Curved 17 pieces

  • Brick Curved 2 x 1 No Studs [1/2 Bow] Black Part 11477 Element 6047276 ×1
  • Brick Curved 1 x 2 x 1 1/3 with Curved Top Bright Pink Part 6091 Element 6470202 or 6204515 ×3
  • Brick Curved 1 x 2 x 1 No Studs Bright Pink Part 37352 Element 6314374 ×1
  • Brick Curved 2 x 1 No Studs [1/2 Bow] Bright Pink Part 11477 Element 6443844 or 6254396 ×3
  • Brick Curved 2 x 2 x 2/3 Light Aqua Part 15068 Element 6210729 or 6138658 ×1
  • Brick Arch 1 x 4 Reddish Brown Part 3659 Element 6177697 or 6088713 ×2
  • Brick Curved 1 x 1 x 2/3 Double Curved Top, No Studs White Part 49307 Element 6552178 or 6550177 ×1
  • Brick Curved Inverted 2 x 4 Double White Part 5174 Element 6461062 ×1
  • Brick Arch 1 x 3 x 3 [Gothic] Yellow Part 13965 Element 6522561 ×2
  • Brick Curved 1 x 2 x 1 2/3 with 1 Cutout Yellow Part 5907 Element 6543032 ×2

Plates Round Curved and Dishes 10 pieces

  • Plate Round 8 x 8 Bright Pink Part 74611 Element 6518738 ×1
  • Plate Round 1 x 1 with Open Stud Dark Pink Part 85861 Element 6230582 1 spare in the box ×2
  • Plate Special 1 x 3 Rounded with 3 Open Studs Light Bluish Gray Part 77850 Element 6446028 ×1
  • Plate Round Corners 2 x 6 Double Lime Part 18980 Element 6173012 ×1
  • Plate Round Half 3 x 6 with 1 x 2 Cutout Tan Part 18646 Element 6099893 ×1
  • Plate Special 1 x 2 Rounded with 2 Open Studs White Part 35480 Element 6552167 or 6550175 ×4

Plates Special 9 pieces

  • Plate Special Round 2 x 2 with Center Stud (Jumper Plate) Dark Pink Part 18674 Element 6223767 ×2
  • Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper) Light Aqua Part 15573 Element 6097303 ×2
  • Plate Special 2 x 2 with Groove and Center Stud (Jumper) Light Aqua Part 87580 Element 6251841 ×1
  • Plate Special 1 x 2 with Clip Horizontal on Side Tan Part 11476 Element 6313119 or 6177314 ×1
  • Plate Special 2 x 4 with Groove and Two Center Studs (Jumper) Tan Part 65509 Element 6294227 ×1
  • Plate Special 3 x 2 with Rounded End, Hole Yellow Part 3176 Element 4188313 or 4141738 ×2

Bricks Round and Cones 7 pieces

  • Brick Round 1 x 1 diameter Tube with 90 Degree Elbow (2 x 2 x 1) and Axle Holes (Crossholes) at each end Bright Pink Part 25214 Element 6518950 ×2
  • Brick Round Corner 4 x 4 x 1 with Bottom Cut Outs, No Studs, Flat Top Bright Pink Part 5649 Element 6594955 ×4
  • Brick Round 1 x 1 Open Stud Opal Trans-Purple Part 3062b Element 6514240 or 6464814 ×1

Plates 7 pieces

  • Plate 1 x 2 Green Part 3023 Element 302328 ×5
  • Plate 4 x 6 Lime Part 3032 Element 6060848 or 4291524 ×1
  • Plate 1 x 1 White Part 3024 Element 6548262 or 302401 1 spare in the box ×1

Tiles Round and Curved 7 pieces

  • Tile Round 2 x 2 with Vinyl Record, Bright Light Orange Center, Magenta Music Note Print Black Part 14769pr1252 Element 6431014 ×1
  • Tile Round 1 x 1 with Medium Azure Eye, Black Pupil Print White Part 98138pr0384 Element 6485882 1 spare in the box ×4
  • Tile Round 2 x 2 Half Circle White Part 5520 Element 6541091 or 6494548 ×2

Bricks Special 5 pieces

  • Brick Special 1 x 1 with Stud on 1 Side Bright Pink Part 87087 Element 4621554 ×1
  • Brick Special 1 x 1 with Studs on 2 Sides White Part 47905 Element 6548273 or 4626882 ×2
  • Brick Special 1 x 2 x 1 2/3 with 4 Studs on 1 Side Yellow Part 22885 Element 6313592 ×2

Minifig Accessories 4 pieces

  • Musical Instrument Microphone [Plain] Black Part 90370 Element 6088550 1 spare in the box ×1
  • Equipment Umbrella Top with No Bottom Flaps, 6 x 6 with Top Stud Bright Light Yellow Part 4094b Element 6527029 ×1
  • Food Popsicle / Lollipop Yellow Part 30222 Element 6558929 or 6524942 ×2

Tiles Special 4 pieces

  • Tile Special Round 2 x 2 with Hole Black Part 15535 Element 6143850 ×2
  • Tile Special Round 1 x 1 with Hollow Bar Trans-Clear Part 20482 Element 6507895 or 6186867 1 spare in the box ×2

Bars, Ladders and Fences 3 pieces

  • Bar 2L with Stop in Center Dark Bluish Gray Part 78258 Element 6350724 1 spare in the box ×1
  • Bar 6L with Stop Ring Reddish Brown Part 63965 Element 6170468 or 6155727 ×1
  • Bar Holder with Hole and Bar Handle Reddish Brown Part 23443 Element 6476174 ×1

Plants & Trees 3 pieces

  • Plant, Flower, Plate Round 1 x 1 with 5 Petals Bright Green Part 24866 Element 6526150 or 6206150 1 spare in the box ×1
  • Plant, Fern 2 x 3 x 2 Green Part 2682 Element 6581711 or 6411022 ×2

Tiles 3 pieces

  • Tile 2 x 4 with Groove Dark Turquoise Part 87079 Element 6223065 ×1
  • Tile 1 x 2 with Groove Yellow Part 3069b Element 306924 ×2

Animal / Creature Body Parts 2 pieces

  • Animal Body Part, Cat Tail Dark Pink Part 15429 Element 6540562 or 6273204 ×1
  • Creature Body Part, Horn (Unicorn) Pearl Gold Part 89522 Element 6214208 or 4584762 1 spare in the box ×1

Bricks 2 pieces

  • Brick 1 x 2 Bright Pink Part 3004 Element 4517993 or 4245296 ×1
  • Brick 1 x 1 with Orange Sun, '50' on Yellow Background Print White Part 3005pr0033 Element 6632611 or 6435173 ×1

Hinges, Arms and Turntables 2 pieces

  • Turntable 2 x 2 Plate, Base Black Part 3680 Element 368076 or 368026 ×1
  • Turntable 2 x 2 Plate - Top Light Bluish Gray Part 3679 Element 4540203 or 4495467 ×1

Panels 2 pieces

  • Panel 1 x 2 x 1 with Rounded Corners and Central Divider White Part 93095 Element 6670628 or 6615556 ×1
  • Panel 1 x 2 x 2 [Side Supports / Hollow Studs] Yellow Part 87552 Element 4593677 ×1

Animals / Creatures 1 piece

  • Animal, Cat, Chubby with Orange Spots, Olive Green Eyes, Grumpy Print (Churro) White Part 2652pr0001 Element 6435013 or 6428858 ×1

Minifig Headwear Accessories 1 piece

  • Headwear Accessory Glasses with Pin Trans-Purple Part 18854 Element 6096991 2 spares in the box ×1

Technic Axles 1 piece

  • Technic Axle 2 Notched Red Part 32062 Element 4142865 ×1

Technic Pins 1 piece

  • Technic Axle Pin with Friction Ridges Lengthwise Blue Part 43093 Element 4309323 or 4206482 ×1

Minifigures 2 figures

  • Leo - Coral Shirt, Bright Green Shorts Minifigure, checked as a whole figure ×1
  • Liann - Dark Azure Top, Bright Light Yellow Shorts Minifigure, checked as a whole figure ×1

Tick each piece as you find it, or mark it missing.

When a piece really is missing

Ask LEGO

LEGO takes requests for pieces missing from a new set through its customer service site. The form asks for the set number and each piece's element ID, the number printed beside the piece in the parts list at the back of the instructions. This checker lists both.

Request a replacement from LEGO

Buy the piece

Mark a piece missing and your list links it to an eBay search for that part, which also covers pieces from older or second-hand sets.

Keep a record

Copy or download your missing list (the CSV opens in any spreadsheet), or print the whole checklist and tick pieces off on paper. Your marks stay in this browser, so you can check a big set over several sittings.

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