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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.

Joy, Sadness & Anxiety

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40749 Joy, Sadness & Anxiety

300 pieces in 107 part and color combinations.

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

Blue 67 pieces

  • Bracket 1 x 1 - 1 x 1 Inverted Blue Part 36840 Element 6307926 ×1
  • Bracket 1 x 2 - 1 x 2 Inverted Blue Part 99780 Element 6133721 ×3
  • Brick Curved 2 x 1 No Studs [1/2 Bow] Blue Part 11477 Element 6055065 ×10
  • Brick Curved 2 x 2 x 2/3 Blue Part 15068 Element 6116786 ×2
  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Blue Part 54200 Element 4504380 or 4296154 1 spare in the box ×3
  • Brick Wedged, Curved 2 x 1 with Stud Notch Left Blue Part 29120 Element 6172414 ×1
  • Brick Wedged, Curved 2 x 1 with Stud Notch Right Blue Part 29119 Element 6172411 ×2
  • Plate 1 x 1 Blue Part 3024 Element 302423 3 spares in the box ×5
  • Plate 1 x 2 Blue Part 3023 Element 302323 ×5
  • Plate 1 x 3 Blue Part 3623 Element 362323 ×2
  • Plate 1 x 4 Blue Part 3710 Element 371023 ×3
  • Plate 2 x 2 Blue Part 3022 Element 4613973 or 302223 ×1
  • Plate 2 x 3 Blue Part 3021 Element 302123 ×4
  • Plate 2 x 4 Blue Part 3020 Element 4240375 or 302023 ×1
  • Plate 4 x 4 Blue Part 3031 Element 4243815 or 303123 ×1
  • Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper) Blue Part 15573 Element 6092582 ×1
  • Plate Special 1 x 2 with Door Rail Blue Part 32028 Element 6179330 or 4286617 ×7
  • Plate Special 1 x 3 with 2 Studs with Groove and Inside Stud Holder (Jumper) Blue Part 34103 Element 6231513 ×2
  • Tile 1 x 1 with Groove Blue Part 3070b Element 4206330 or 307073 1 spare in the box ×1
  • Tile 45° Cut 2 x 2 (Triangle) Blue Part 35787 Element 6473177 ×1
  • Tile Round 1 x 1 Quarter Blue Part 25269 Element 6302961 2 spares in the box ×9
  • Wedge Plate 3 x 2 Left Blue Part 43723 Element 4498156 or 4280150 ×1
  • Wedge Plate 3 x 2 Right Blue Part 43722 Element 4498155 or 4280149 ×1

Trans-Dark Blue 41 pieces

  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Trans-Dark Blue Part 54200 Element 6245256 or 4244366 ×16
  • Plate 1 x 1 Trans-Dark Blue Part 3024 Element 6513965 or 6252044 3 spares in the box ×6
  • Plate 1 x 2 Trans-Dark Blue Part 3023 Element 6514004 or 6240215 ×17
  • Tile 1 x 4 with Groove Trans-Dark Blue Part 2431 Element 6510179 or 6252050 ×2

Light Bluish Gray 24 pieces

  • Brick Special 1 x 1 with Headlight Light Bluish Gray Part 4070 Element 4211476 ×2
  • Brick Special 1 x 2 x 1 2/3 with 4 Studs on 1 Side Light Bluish Gray Part 22885 Element 6123809 ×22

Bright Light Yellow 23 pieces

  • Brick 1 x 2 Bright Light Yellow Part 3004 Element 6022083 or 6014504 ×2
  • Plate 1 x 1 Bright Light Yellow Part 3024 Element 6554793 or 6058014 1 spare in the box ×2
  • Plate 1 x 2 Bright Light Yellow Part 3023 Element 6554796 or 6201647 ×4
  • Plate 1 x 4 Bright Light Yellow Part 3710 Element 6554799 or 6248756 ×1
  • Plate 2 x 2 Bright Light Yellow Part 3022 Element 6554804 or 6316265 ×2
  • Plate 2 x 4 Bright Light Yellow Part 3020 Element 6554802 or 6296524 ×2
  • Plate Special 1 x 2 with Clip Horizontal on Side Bright Light Yellow Part 11476 Element 6492691 ×2
  • Tile 1 x 1 with Groove Bright Light Yellow Part 3070b Element 6275877 1 spare in the box ×1
  • Tile 1 x 2 with Groove Bright Light Yellow Part 3069b Element 6554794 or 6061201 ×3
  • Tile 1 x 3 Bright Light Yellow Part 63864 Element 6195265 ×1
  • Tile 1 x 4 with Groove Bright Light Yellow Part 2431 Element 6289722 or 4240672 ×3

Orange 23 pieces

  • Brick 2 x 2 Orange Part 3003 Element 4153825 or 4119643 ×2
  • Brick Special 1 x 1 with Stud on 1 Side Orange Part 87087 Element 6431334 or 6149652 ×1
  • Plate 1 x 3 Orange Part 3623 Element 6147047 or 4513281 ×3
  • Plate 2 x 3 Orange Part 3021 Element 4125278 ×3
  • Plate Special 1 x 1 with Clip Horizontal [Thick Open O Clip] Orange Part 61252 Element 6347295 or 4593773 ×2
  • Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper) Orange Part 15573 Element 6092599 ×2
  • Tile 1 x 1 with Groove Orange Part 3070b Element 4558595 or 4277770 1 spare in the box ×1
  • Tile 1 x 2 with Groove Orange Part 3069b Element 4188771 ×1
  • Tile 1 x 3 Orange Part 63864 Element 4620693 ×2
  • Tile 1 x 3 with White Half Circles / Teeth Print Orange Part 63864pr9999 Element 6496638 ×1
  • Tile 2 x 3 Orange Part 26603 Element 6293710 ×3
  • Tile Round 1 x 1 Half Circle Orange Part 24246 Element 6344851 or 6177760 1 spare in the box ×2

Lime 21 pieces

  • Bracket 1 x 2 - 1 x 2 Lime Part 99781 Element 6310279 ×4
  • Plate 1 x 4 Lime Part 3710 Element 4187743 or 4122441 ×4
  • Plate 2 x 2 Lime Part 3022 Element 4613977 or 4537937 ×2
  • Plate 2 x 4 Lime Part 3020 Element 4537936 or 4534667 ×2
  • Plate Round 1 x 1 with Solid Stud Lime Part 6141 Element 4183133 1 spare in the box ×1
  • Tile 1 x 4 with Dark Turquoise Flower, Yellowish Yellow Stripes Print Lime Part 2431pr9984 Element 6494863 ×2
  • Tile 2 x 4 with Dark Turquoise Flower, Yellowish Yellow Stripes Print Lime Part 87079pr0339 Element 6492703 ×2
  • Wedge Plate 2 x 2 Left Lime Part 24299 Element 6258408 ×2
  • Wedge Plate 2 x 2 Right Lime Part 24307 Element 6247210 ×2

Black 18 pieces

  • Plate 6 x 6 Black Part 3958 Element 395826 ×3
  • Plate Special 1 x 4 with 2 Studs with Groove [New Underside] Black Part 41740 Element 6254045 ×1
  • Plate Special 2 x 2 with Groove and Center Stud (Jumper) Black Part 87580 Element 6663108 or 4565323 ×4
  • Tile 1 x 4 with Groove Black Part 2431 Element 243126 ×5
  • Tile 2 x 4 with Groove Black Part 87079 Element 4560182 ×1
  • Tile Round 1 x 1 with Large and Small White Squares Print (Brickheadz Eye) Black Part 98138pr0060 Element 6284077 or 6178627 1 spare in the box ×2
  • Tile Round 2 x 2 with Dark Azure Brickheadz Eye, Black Pupil Print Black Part 14769pr9980 Element 6498282 ×1
  • Tile Round 2 x 2 with Dark Azure Brickheadz Eye, Black Pupil Print Black Part 14769pr9981 Element 6493597 ×1

White 16 pieces

  • Brick 1 x 3 White Part 3622 Element 6550143 or 362201 ×2
  • Brick Special 1 x 1 with Stud on 1 Side White Part 87087 Element 6550190 or 4558952 ×4
  • Brick Special 1 x 1 with Studs on 2 Adjacent Sides White Part 26604 Element 6224811 ×4
  • Plate 1 x 1 White Part 3024 Element 6548262 or 302401 1 spare in the box ×2
  • Plate 3 x 3 White Part 11212 Element 6552153 or 6104805 ×1
  • Plate Round 1 x 1 with Solid Stud White Part 6141 Element 6601919 or 614101 1 spare in the box ×1
  • Tile Round 2 x 2 with Brickheadz Eye Print White Part 14769pr9985 Element 6492707 ×2

Dark Orange 13 pieces

  • Brick Special 1 x 1 with Stud on 1 Side Dark Orange Part 87087 Element 4666322 ×7
  • Plate 1 x 3 Dark Orange Part 3623 Element 6186007 or 4617599 ×4
  • Plate Special 1 x 2 Rounded with 2 Open Studs Dark Orange Part 35480 Element 6369194 ×2

Red 13 pieces

  • Brick Curved Inverted 2 x 1 Red Part 24201 Element 6186398 ×4
  • Brick Round 1 x 1 Open Stud Red Part 3062b Element 306221 ×2
  • Plate 1 x 2 Red Part 3023 Element 302321 ×1
  • Plate Special 1 x 1 with Handle on 2 Ends Red Part 78257 Element 6372672 ×2
  • Tile Special 1 x 1 with Clip with Rounded Edges Red Part 15712 Element 6348058 or 6072998 ×4

Dark Azure 9 pieces

  • Plate 1 x 1 Dark Azure Part 3024 Element 6151664 or 6089779 1 spare in the box ×2
  • Plate 1 x 2 Dark Azure Part 3023 Element 4653988 ×1
  • Plate 2 x 3 Dark Azure Part 3021 Element 6144149 or 6089837 ×1
  • Plate Special 1 x 1 with Clip Horizontal [Thick Open O Clip] Dark Azure Part 61252 Element 6431796 ×2
  • Tile 1 x 1 with Groove Dark Azure Part 3070b Element 6151658 1 spare in the box ×1
  • Tile 1 x 3 Dark Azure Part 63864 Element 6412744 ×2

Reddish Brown 7 pieces

  • Plate 1 x 2 Reddish Brown Part 3023 Element 4211150 ×4
  • Plate 3 x 3 Reddish Brown Part 11212 Element 6497747 ×1
  • Plate Special 1 x 3 with 2 Studs with Groove and Inside Stud Holder (Jumper) Reddish Brown Part 34103 Element 6251470 ×2

Dark Tan 6 pieces

  • Brick Special 1 x 1 with Headlight Dark Tan Part 4070 Element 6273590 ×2
  • Plate 1 x 1 Dark Tan Part 3024 Element 4549436 or 4497084 1 spare in the box ×2
  • Plate 1 x 3 Dark Tan Part 3623 Element 6132768 or 4497086 ×2

Trans-Orange 4 pieces

  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Trans-Orange Part 54200 Element 6245265 or 4244369 ×4

Bright Pink 3 pieces

  • Brick 1 x 1 Bright Pink Part 3005 Element 4286050 or 4245298 ×2
  • Brick 2 x 2 Bright Pink Part 3003 Element 4550359 or 4245307 ×1

Trans-Red 3 pieces

  • Plate 1 x 1 Trans-Red Part 3024 Element 6513963 or 6252042 1 spare in the box ×3

Bright Green 2 pieces

  • Bracket 1 x 2 - 2 x 4 Bright Green Part 93274 Element 6462440 ×2

Dark Bluish Gray 2 pieces

  • Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) Dark Bluish Gray Part 4032a Element 4211042 ×2

Dark Turquoise 2 pieces

  • Brick 1 x 1 Dark Turquoise Part 3005 Element 6236772 or 6213776 ×1
  • Plate 1 x 1 Dark Turquoise Part 3024 Element 6213778 or 4121555 1 spare in the box ×1

Green 2 pieces

  • Brick 1 x 1 Green Part 3005 Element 300528 ×1
  • Plate 1 x 1 Green Part 3024 Element 302428 1 spare in the box ×1

Medium Azure 1 piece

  • Brick Round 2 x 2 with Axle Hole Medium Azure Part 3941 Element 6224282 ×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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