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LEGO Missing Piece Checker

Enter a set number, mark each piece found or missing, and leave with a list of what is missing, the element IDs LEGO asks for and links to buy the parts. It is free and needs no account. Rule out the usual hiding places first.

Iron Man

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40535 Iron Man

200 pieces in 76 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.

Look-alike colors in this set

These parts appear in this set in two colors that are easy to confuse. If you are one short in one color, check whether it went in where the other color belongs. Each color has its own element ID in the parts list at the back of the instructions.

  • Plate 2 x 4 Black ×2 Dark Bluish Gray ×5 Black is darker than Dark Bluish Gray.
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Piece checklist

Dark Red 54 pieces

  • Bracket 1 x 2 - 1 x 2 Dark Red Part 99781 Element 6264026 ×6
  • Brick Curved 2 x 1 No Studs [1/2 Bow] Dark Red Part 11477 Element 6173168 ×4
  • Brick Curved 2 x 2 x 2/3 Dark Red Part 15068 Element 6107758 ×1
  • Brick Curved 3 x 1 No Studs Dark Red Part 50950 Element 4541546 or 4258311 ×2
  • Plate 1 x 3 Dark Red Part 3623 Element 4539076 or 4164223 ×4
  • Plate 2 x 2 Corner Dark Red Part 2420 Element 4585751 or 4541513 ×2
  • Plate 2 x 4 Dark Red Part 3020 Element 4539071 or 4528320 ×3
  • Tile 1 x 1 with Groove Dark Red Part 3070b Element 4550169 or 4187196 ×2
  • Tile 1 x 2 with Groove Dark Red Part 3069b Element 4539090 or 4529548 ×3
  • Tile 1 x 3 Dark Red Part 63864 Element 4583299 ×2
  • Tile 2 x 2 Curved, Macaroni Dark Red Part 27925 Element 6172632 ×2
  • Tile 45° Cut 2 x 2 (Triangle) Dark Red Part 35787 Element 6288635 ×8
  • Tile Round 1 x 1 Quarter Dark Red Part 25269 Element 6311890 ×4
  • Wedge Plate 2 x 2 Cut Corner Dark Red Part 26601 Element 6210310 ×2
  • Wedge Plate 2 x 4 Dark Red Part 51739 Element 4541544 or 4257178 ×1
  • Wedge Plate 3 x 2 Left Dark Red Part 43723 Element 6267490 or 4224297 ×4
  • Wedge Plate 3 x 2 Right Dark Red Part 43722 Element 6267492 or 4224295 ×4

Yellow 37 pieces

  • Brick Curved 2 x 1 No Studs [1/2 Bow] Yellow Part 11477 Element 6029947 ×4
  • Brick Curved 2 x 2 x 2/3 Yellow Part 15068 Element 6079007 ×4
  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Yellow Part 54200 Element 4504381 or 4283095 ×2
  • Brick Wedged, Curved 2 x 1 with Stud Notch Left Yellow Part 29120 Element 6289740 ×1
  • Brick Wedged, Curved 2 x 1 with Stud Notch Right Yellow Part 29119 Element 6289743 ×1
  • Panel 1 x 4 x 1 with Rounded Corners [Thin Wall] Yellow Part 15207 Element 6092648 ×1
  • Plate 1 x 4 Yellow Part 3710 Element 371024 ×2
  • Plate 2 x 3 Yellow Part 3021 Element 302124 ×2
  • Plate 2 x 8 Yellow Part 3034 Element 303424 ×3
  • Plate Special 1 x 2 with Door Rail Yellow Part 32028 Element 4141630 ×2
  • Tile 1 x 2 with Groove Yellow Part 3069b Element 306924 ×1
  • Tile 1 x 8 with Groove Yellow Part 4162 Element 6388482 or 4189400 ×2
  • Tile 2 x 4 with Groove Yellow Part 87079 Element 6388490 or 4560181 ×2
  • Tile 45° Cut 2 x 2 (Triangle) Yellow Part 35787 Element 6329868 ×2
  • Wedge Plate 2 x 2 Cut Corner Yellow Part 26601 Element 6195184 ×2
  • Wedge Plate 2 x 2 Left Yellow Part 24299 Element 6132609 ×2
  • Wedge Plate 2 x 2 Right Yellow Part 24307 Element 6132201 ×2
  • Wedge Plate 3 x 2 Left Yellow Part 43723 Element 4179095 ×1
  • Wedge Plate 3 x 2 Right Yellow Part 43722 Element 4179094 ×1

White 32 pieces

  • Brick 1 x 10 White Part 6111 Element 6619291 or 611101 ×1
  • Brick 1 x 16 White Part 2465 Element 6552092 or 246501 ×2
  • Brick Round 1 x 1 Diameter Tube with 90 Degree Elbow (2 x 2 x 1) and Axle Holes (Crossholes) at Each End White Part 25214 Element 6194851 ×2
  • Hinge Plate 1 x 2 Locking with 2 Fingers On End, without Groove, 7 Teeth White Part 54657 Element 6267044 ×2
  • Plate 1 x 10 White Part 4477 Element 6552113 or 6550148 ×2
  • Plate 1 x 3 White Part 3623 Element 6552105 or 6550144 ×2
  • Plate 2 x 2 White Part 3022 Element 6552099 or 6548260 ×1
  • Plate 4 x 12 White Part 3029 Element 4168072 or 302901 ×4
  • Plate Round 2 x 2 with Rounded Bottom [Boat Stud] White Part 2654 Element 6601843 or 6552259 ×4
  • Plate Special 1 x 2 Rounded with 2 Open Studs White Part 35480 Element 6552167 or 6550175 ×7
  • Plate Special 3 x 2 with Rounded End, Hole White Part 3176 Element 6609537 or 6089696 ×1
  • Tile 45° Cut 2 x 2 (Triangle) White Part 35787 Element 6550176 or 6217875 ×4

Black 20 pieces

  • Bracket 1 x 2 - 1 x 2 Inverted Black Part 99780 Element 6020193 ×3
  • Brick Wedged, Curved 2 x 1 with Stud Notch Left Black Part 29120 Element 6181720 ×1
  • Brick Wedged, Curved 2 x 1 with Stud Notch Right Black Part 29119 Element 6181713 ×1
  • Hinge Brick 1 x 2 Base Black Part 3937 Element 393726 ×1
  • Hinge Brick 2 x 2 Top Plate Thin Black Part 6134 Element 4124096 or 613426 ×1
  • Plate 2 x 2 Corner Black Part 2420 Element 242026 ×2
  • Plate 2 x 4 Black Part 3020 Element 302026 Also in Dark Bluish Gray ×2
  • Plate Special 2 x 2 with Only 2 Studs Black Part 33909 Element 6192346 ×5
  • Plate Special 4 x 6, Studs on 3 Edges Black Part 6180 Element 4100378 or 618026 ×3
  • Tile 1 x 2 with Groove Black Part 3069b Element 306926 ×1

Medium Azure 15 pieces

  • Plate 2 x 4 Medium Azure Part 3020 Element 6603317 or 6013826 ×3
  • Tile 2 x 4 with Groove Medium Azure Part 87079 Element 6097042 ×6
  • Tile 45° Cut 2 x 2 (Triangle) Medium Azure Part 35787 Element 6347670 ×4
  • Wedge Plate 2 x 2 Right Medium Azure Part 24307 Element 6296840 ×2

Dark Bluish Gray 13 pieces

  • Brick Special 1 x 1 with Headlight Dark Bluish Gray Part 4070 Element 4211044 ×2
  • Plate 1 x 6 Dark Bluish Gray Part 3666 Element 4211056 ×6
  • Plate 2 x 4 Dark Bluish Gray Part 3020 Element 4211065 Also in Black ×5

Light Bluish Gray 11 pieces

  • Brick Round 1 x 1 Open Stud Light Bluish Gray Part 3062b Element 4211412 ×4
  • Hinge Cylinder 1 x 2 Locking with 1 Finger and Axle Hole On Ends [No Side Slots] Light Bluish Gray Part 53923 Element 6265704 ×2
  • Plate Special 1 x 4 with 2 Studs with Groove [New Underside] Light Bluish Gray Part 41740 Element 6257593 ×1
  • Technic Axle 11 Light Bluish Gray Part 23948 Element 6178172 ×2
  • Tile Special 1 x 2 with Sloped Walls AKA Money / Gold Bar [Ingot] Light Bluish Gray Part 99563 Element 6134378 or 6034045 ×2

Dark Azure 8 pieces

  • Tile 45° Cut 2 x 2 (Triangle) Dark Azure Part 35787 Element 6369497 ×8

Blue 6 pieces

  • Bracket 1 x 2 - 1 x 2 Blue Part 99781 Element 6163471 ×2
  • Plate 2 x 12 Blue Part 2445 Element 244523 ×2
  • Tile 1 x 2 with Groove Blue Part 3069b Element 306923 ×2

Tan 3 pieces

  • Brick Special 1 x 2 with 2 Studs on 1 Side Tan Part 11211 Element 6024495 ×3

Red 1 piece

  • Technic Axle 2 Notched Red Part 32062 Element 4142865 ×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

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