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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.

Birthday Party

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41110 Birthday Party

186 pieces in 78 part and color combinations, plus 1 minifigure.

The official piece count includes the 5 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

White 45 pieces

  • Animal, Rabbit / Bunny Sitting with Blue Eyes and Pink Nose and Mouth Print White Part 98387pr0001 Element 6017059 or 4648075 ×1
  • Bar 3L White Part 87994 Element 6552205 or 6428803 1 spare in the box ×1
  • Bar 6L with Stop Ring White Part 63965 Element 6170419 or 6081986 ×1
  • Brick 2 x 4 White Part 3001 Element 6552094 or 300101 ×1
  • Brick 2 x 6 White Part 2456 Element 6552122 or 4249698 ×2
  • Brick Arch 1 x 8 x 2 Raised White Part 16577 Element 6619298 or 6313647 ×4
  • Brick Sloped 45° 2 x 1 with 2/3 Cutout [New Version] White Part 15672 Element 6552150 or 6550153 ×8
  • Brick Special 1 x 2 with Pin White Part 2458 Element 4160228 or 245801 ×2
  • Leg Skeleton White Part 6266 Element 6240495 or 6038450 1 spare in the box ×1
  • Plate 1 x 4 White Part 3710 Element 6552108 or 6548266 ×1
  • Plate 2 x 2 White Part 3022 Element 6552099 or 6548260 ×1
  • Plate Round 1 x 1 with Solid Stud White Part 6141 Element 6601919 or 614101 1 spare in the box ×2
  • Plate Round 4 x 4 with Pin Hole White Part 60474 Element 6564904 or 4515347 ×1
  • Plate Special 1 x 1 with Clip Horizontal [Thick Open O Clip] White Part 61252 Element 6347293 or 4538353 ×7
  • Plate Special 1 x 2 with Angled Handles on Side White Part 92692 Element 4622937 ×1
  • Plate Special 2 x 2 x 2/3 with Two Studs On Side and Two Raised [Solid Anti-stud] White Part 99206 Element 6046979 ×1
  • Plate Special Round 2 x 2 with Center Stud (Jumper Plate) White Part 18674 Element 6615555 or 6093053 ×1
  • String with End Studs and Minifig Grips 21L White Part 14210 Element 6096959 or 6037448 ×1
  • Technic Beam 1 x 7 Thick White Part 32524 Element 6564912 or 6318056 ×2
  • Tile Special 1 x 2 Grille with Bottom Groove White Part 2412b Element 6601902 or 241201 ×6

Magenta 17 pieces

  • Brick Curved 3 x 1 No Studs Magenta Part 50950 Element 6037650 ×4
  • Plate 2 x 4 Magenta Part 3020 Element 6091608 or 6037658 ×4
  • Plate Special 2 x 2 with Groove and Center Stud (Jumper) Magenta Part 87580 Element 6250075 or 6126069 ×5
  • Tile 1 x 2 with Groove Magenta Part 3069b Element 4611415 ×4

Bright Pink 14 pieces

  • Plant, Flower with 5 Pointed Petals and Pin Bright Pink Part 18853 Element 6096990 1 spare in the box ×1
  • Plate Round 1 x 1 Swirled Top Bright Pink Part 15470 Element 6424008 or 6060795 1 spare in the box ×8
  • Tile Round 2 x 2 with Bottom Stud Holder Bright Pink Part 14769 Element 6092768 ×4
  • Tile Special 2 x 2 Inverted with Medium Blue ribbon and bow on gift box Print Bright Pink Part 11203pr0013 Element 6133241 ×1

Reddish Brown 14 pieces

  • Brick 1 x 2 x 5 with Hollow Studs Reddish Brown Part 2454b Element 4277016 ×1
  • Brick 2 x 2 Reddish Brown Part 3003 Element 4211210 ×5
  • Brick 2 x 3 Reddish Brown Part 3002 Element 4216668 ×2
  • Brick Arch 1 x 5 x 4 [Continuous Bow, Raised Underside Cross Supports] Reddish Brown Part 14395 Element 6044725 ×2
  • Brick Round 2 x 2 with Axle Hole Reddish Brown Part 3941 Element 4211166 ×1
  • Brick Round 4 x 4 Centre Hole Reddish Brown Part 87081 Element 6034334 ×1
  • Plate 1 x 3 Reddish Brown Part 3623 Element 4211152 ×2

Bright Light Orange 13 pieces

  • Headwear Accessory Hat with Small Pin, Clown / Party with Pin Bright Light Orange Part 24131 Element 6132773 1 spare in the box ×1
  • Plate 1 x 2 Bright Light Orange Part 3023 Element 6028736 or 4645043 ×5
  • Plate 1 x 4 Bright Light Orange Part 3710 Element 6020073 ×3
  • Plate 2 x 4 Bright Light Orange Part 3020 Element 6097511 ×1
  • Plate Round 6 x 6 with Hole Bright Light Orange Part 11213 Element 6131694 ×1
  • Tile 1 x 6 with Groove Bright Light Orange Part 6636 Element 6365966 or 4654129 ×2

Red 13 pieces

  • Minifig Head [Plain] [Hollow Stud] Red Part 3626c Element 4173441 ×1
  • Plant, Flower, Plate Round 1 x 1 with 4 Petals Red Part 33291 Element 6163983 or 6035617 2 spares in the box ×12

Black 8 pieces

  • Brick Round 1 x 1 Open Stud Black Part 3062b Element 306226 ×3
  • Musical Instrument Microphone with Metallic Gold Top Half Screen Print Black Part 90370pr0005 Element 6104328 1 spare in the box ×1
  • Plate Round Corner 3 x 3 Black Part 30357 Element 4227392 ×1
  • Plate Round Corner 4 x 4 Black Part 30565 Element 6101857 or 4528078 ×1
  • Technic Pin with Friction Ridges Lengthwise and Center Slots Black Part 2780 Element 4121715 or 278026 1 spare in the box ×2

Light Aqua 8 pieces

  • Brick 1 x 2 x 5 with Hollow Studs Light Aqua Part 2454b Element 6135112 or 6022031 ×4
  • Tile 1 x 2 with Invitation with '12:00' on Lavender Ribbon and 3 Balloons Print Light Aqua Part 3069bpr0158 Element 6133250 ×1
  • Tile Round 2 x 2 with Bottom Stud Holder Light Aqua Part 14769 Element 6096948 ×3

Trans-Orange 8 pieces

  • Plate 1 x 2 Trans-Orange Part 3023 Element 6514005 or 6240217 ×6
  • Tile Round 1 x 1 Trans-Orange Part 98138 Element 6514197 or 6274747 1 spare in the box ×2

Tan 6 pieces

  • Brick 2 x 6 Tan Part 2456 Element 4181134 or 4143256 ×4
  • Plate 2 x 2 Tan Part 3022 Element 4114084 or 302205 ×1
  • Plate 4 x 4 Tan Part 3031 Element 4243824 or 4113919 ×1

Trans-Dark Pink 6 pieces

  • Tile Round 1 x 1 Trans-Dark Pink Part 98138 Element 6514196 or 6274745 1 spare in the box ×6

Trans-Light Blue 6 pieces

  • Tile Round 1 x 1 Trans-Light Blue Part 98138 Element 6514192 or 6274739 1 spare in the box ×6

Green 5 pieces

  • Plant, Leaves 4 x 3 Green Part 2423 Element 6268814 or 242328 ×2
  • Plant, Leaves 6 x 5 Green Part 2417 Element 6266968 or 4613823 ×1
  • Plate 1 x 3 Green Part 3623 Element 4107758 or 362328 ×2

Medium Azure 5 pieces

  • Brick Round 2 x 2 Dome Bottom [Open Stud] Medium Azure Part 15395 Element 6132411 ×1
  • Brick Round 2 x 2 Dome Top, Hollow Stud Medium Azure Part 30367c Element 6036500 ×1
  • Headwear Accessory Hat with Small Pin, Clown / Party with Pin Medium Azure Part 24131 Element 6132838 1 spare in the box ×1
  • Panel 1 x 2 x 1 with Rounded Corners and 2 Sides Medium Azure Part 23969 Element 6248486 or 6131878 ×2

Bright Green 4 pieces

  • Plant, Carrot Top Bright Green Part 33183 Element 4119479 1 spare in the box ×1
  • Plant, Flower, Plate Round 1 x 1 with 4 Petals Bright Green Part 33291 Element 6170300 or 4619599 1 spare in the box ×3

Lime 4 pieces

  • Plate 6 x 8 Lime Part 3036 Element 6100914 or 4160082 ×1
  • Plate 8 x 16 Lime Part 92438 Element 6129600 ×1
  • Plate Round Corner 6 x 6 Lime Part 6003 Element 6129601 ×2

Light Bluish Gray 3 pieces

  • Plate Special 2 x 2 with 2 Pin Holes Light Bluish Gray Part 2817 Element 4211376 ×2
  • Turntable 4 x 4 Square Base, Locking Light Bluish Gray Part 61485 Element 6045718 or 4523670 ×1

Lavender 2 pieces

  • Animal, Bird, Two Feet with Magenta Beak and Black Eyes Pattern Lavender Part 98388pr0002 Element 6133560 ×1
  • Plant, Flower, Plate Round 1 x 1 with 4 Petals Lavender Part 33291 Element 6170305 or 6074906 1 spare in the box ×1

Trans-Clear 2 pieces

  • Equipment Goblet / Glass Trans-Clear Part 2343 Element 6166107 or 3000240 ×2

Dark Brown 1 piece

  • Brick Sloped 75° 2 x 2 x 3 [Solid Studs] Dark Brown Part 98560 Element 6007899 ×1

Orange 1 piece

  • Plant, Carrot Orange Part 33172 Element 6424015 or 6103249 ×1

Pearl Gold 1 piece

  • Tile Round 2 x 2 with Bottom Stud Holder Pearl Gold Part 14769 Element 6066345 ×1

Minifigures 1 figure

  • Andrea - Bright Light Orange Top, Light Aqua Skirt, Magenta Party Hat 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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