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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.

McLaren P1

Checking

75909 McLaren P1

166 pieces in 71 part and color combinations, plus 1 minifigure.

LEGO counts 168 pieces. This inventory comes from a separate parts catalog and lists 171, including the 5 parts inside the minifigures; the two do not always count the same elements, so their totals differ. 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

Bright Light Orange 51 pieces

  • Brick Curved 2 x 1 No Studs [1/2 Bow] Bright Light Orange Part 11477 Element 6099728 ×4
  • Brick Curved 2 x 2 x 2/3 Bright Light Orange Part 15068 Element 6099730 ×1
  • Brick Curved 4 x 1 No Studs [Stud Holder with Symmetric Ridges] Bright Light Orange Part 11153 Element 6482364 or 6045944 ×4
  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Bright Light Orange Part 54200 Element 6023173 1 spare in the box ×2
  • Brick Sloped 30° 1 x 2 x 2/3 Bright Light Orange Part 85984 Element 6024286 or 6020097 ×1
  • Brick Sloped 45° 2 x 1 with Bottom Pin Bright Light Orange Part 3040b Element 6023157 ×2
  • Brick Wedged, Curved 3 x 4 x 2/3 Cutout Bright Light Orange Part 11291 Element 6394239 or 6179655 ×2
  • Plate 1 x 2 Bright Light Orange Part 3023 Element 6028736 or 4645043 ×8
  • Plate 1 x 4 Bright Light Orange Part 3710 Element 6020073 ×3
  • Plate 2 x 2 Bright Light Orange Part 3022 Element 6003033 or 4645047 ×4
  • Plate 2 x 6 Bright Light Orange Part 3795 Element 6097509 ×2
  • Plate Round Corner 3 x 3 Bright Light Orange Part 30357 Element 6022078 ×4
  • Plate Special 2 x 6 x 2/3 with 4 Studs on Side, 1 Support Wall on Bottom Bright Light Orange Part 87609 Element 6099733 ×1
  • Sports Snowboard Small Bright Light Orange Part 18746 Element 6105957 ×1
  • Tile 1 x 1 with Groove Bright Light Orange Part 3070b Element 6065504 1 spare in the box ×4
  • Tile 1 x 4 with Groove Bright Light Orange Part 2431 Element 6072668 or 6020076 ×4
  • Wheel Arch, Mudguard 4 x 2 1/2 x 2 1/3 Bright Light Orange Part 18974 Element 6103455 ×4

Black 50 pieces

  • Brick 1 x 3 Black Part 3622 Element 362226 ×2
  • Brick 2 x 2 Black Part 3003 Element 4103587 or 300326 ×1
  • Brick Curved 2 x 1 No Studs [1/2 Bow] Black Part 11477 Element 6047276 ×2
  • Brick Curved 2 x 2 x 2/3 Black Part 15068 Element 6053077 ×2
  • Brick Curved 3 x 1 No Studs Black Part 50950 Element 4251161 ×2
  • Brick Curved 4 x 2 No Studs Black Part 93606 Element 4647286 ×1
  • Brick Sloped 30° 1 x 2 x 2/3 Black Part 85984 Element 4548180 ×1
  • Grille / Spoiler with 1 x 2 Plate, 2 x 2 Anti-studs (Racers Car) Black Part 50949 Element 4504187 ×1
  • Panel 1 x 1 x 1 Corner Black Part 6231 Element 4106347 or 4101709 ×2
  • Panel 1 x 2 x 1 [Rounded Corners] Black Part 4865b Element 6146220 ×2
  • Plate 1 x 3 Black Part 3623 Element 362326 ×2
  • Plate 2 x 2 Corner Black Part 2420 Element 242026 ×2
  • Plate 2 x 4 Black Part 3020 Element 302026 ×4
  • Plate Round Corner 3 x 3 Black Part 30357 Element 4227392 ×2
  • Steering Stand 1 x 2 with Black Steering Wheel Black Part 3829c01 Element 73081 ×1
  • Technic Plate 1 x 5 with Smooth Ends, 4 Studs and Centre Axle Hole Black Part 32124 Element 6280168 or 4114689 ×2
  • Tile 1 x 2 with Groove Black Part 3069b Element 306926 ×5
  • Tile 2 x 2 with Groove Black Part 3068b Element 306826 ×2
  • Tool Screwdriver and Spanner / Wrench Black Part 4006 Element 6034000 or 4569095 ×1
  • Tyre 24 x 12 Low Profile Black Part 18977 Element 6102596 ×4
  • Vehicle Base 4 x 10 x 2/3 with 4 x 2 Recessed Center with Smooth Underside Black Part 30029 Element 4656764 or 4277681 ×1
  • Wheel 18 x 12 with Axle Hole and Stud Black Part 18976 Element 6327048 or 6104403 ×4
  • Wheel Cover 10 Spoke - for Wheel 18976 Black Part 18978b ×4

Light Bluish Gray 22 pieces

  • Bracket 1 x 2 - 2 x 2 Inverted Light Bluish Gray Part 99207 Element 4654580 ×4
  • Brick Sloped 45° 2 x 2 Light Bluish Gray Part 3039 Element 4211410 ×2
  • Brick Sloped Inverted 45° 2 x 1 Light Bluish Gray Part 3665 Element 4211437 ×2
  • Plate 2 x 4 Light Bluish Gray Part 3020 Element 4211395 ×3
  • Plate Round 1 x 1 with Solid Stud Light Bluish Gray Part 6141 Element 4211525 1 spare in the box ×4
  • Plate Special 1 x 2 [Side Handle Closed Ends] Light Bluish Gray Part 48336 Element 4244627 ×1
  • Tile Special 1 x 1 with Clip with Rounded Edges Light Bluish Gray Part 15712 Element 6308012 or 6071229 ×2
  • Tile Special 1 x 2 Grille with Bottom Groove Light Bluish Gray Part 2412b Element 4211350 ×1
  • Wedge Plate 2 x 4 Light Bluish Gray Part 51739 Element 4507056 or 4252368 ×1
  • Wedge Plate 3 x 2 Left Light Bluish Gray Part 43723 Element 4211794 ×1
  • Wedge Plate 3 x 2 Right Light Bluish Gray Part 43722 Element 4211791 ×1

Red 9 pieces

  • Brick Sloped 30° 1 x 2 x 2/3 Red Part 85984 Element 4651524 ×2
  • Brick Special 1 x 2 with 2 Studs on 1 Side Red Part 11211 Element 6019155 ×1
  • Plate 1 x 2 Red Part 3023 Element 302321 ×6

Blue 6 pieces

  • Plate Round 1 x 1 with Solid Stud Blue Part 6141 Element 614123 1 spare in the box ×6

Dark Bluish Gray 6 pieces

  • Bracket 3 x 2 x 1 1/3 with Pin Bottom Dark Bluish Gray Part 18671 Element 6099909 ×1
  • Brick Special 2 x 4 x 1 1/3 with Pin Holes and 2 x 2 Recessed Dark Bluish Gray Part 18975 Element 6150297 or 6105731 ×2
  • Plate 1 x 6 Dark Bluish Gray Part 3666 Element 4211056 ×1
  • Plate 2 x 3 Dark Bluish Gray Part 3021 Element 4211043 ×2

Orange 6 pieces

  • Cone 1 x 1 [Top Groove] Orange Part 59900 Element 4518029 ×3
  • Plate 1 x 1 Orange Part 3024 Element 4524929 or 4203454 1 spare in the box ×3

White 6 pieces

  • Bracket 1 x 2 - 1 x 2 White Part 99781 Element 6552141 or 6548275 ×1
  • Brick Sloped 30° 1 x 2 x 2/3 White Part 85984 Element 6550189 or 4547489 ×1
  • Plate 2 x 2 Corner White Part 2420 Element 6548254 or 242051 ×2
  • Tile Round 1 x 1 White Part 98138 Element 6564903 or 6284572 1 spare in the box ×2

Tan 4 pieces

  • Technic Axle Pin without Friction Ridges Lengthwise Tan Part 3749 Element 4666579 or 4186017 ×4

Green 3 pieces

  • Plate 1 x 4 Green Part 3710 Element 371028 ×1
  • Plate 2 x 2 Green Part 3022 Element 302228 ×2

Trans-Brown 2 pieces

  • Plate 1 x 2 Trans-Brown Part 3023 Element 6514006 or 6240219 ×1
  • Windscreen 6 x 4 x 1 Curved with Black and Bright Light Orange Print Trans-Brown Part 18973pr0002 Element 6107333 ×1

[No Color/Any Color] 1 piece

  • Sticker Sheet for Set 75909-1 [No Color/Any Color] Part 19244 Element 6102495 or 6097421 ×1

Minifigures 1 figure

  • Race Driver, White Torso, White Legs, Flat Silver Helmet, McLaren 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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