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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 Logo

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6535735 McLaren P1 Logo

178 pieces in 69 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

Black 78 pieces

  • Technic Axle 10 Black Part 3737 Element 373726 ×1
  • Technic Axle Connector with Axle Hole [Reinforced] Black Part 42135 Element 6331716 ×3
  • Technic Axle Pin 3L with Friction Ridges Lengthwise and 2L Axle Black Part 18651 Element 6089119 ×3
  • Technic Beam 1 x 11 Thick Black Part 32525 Element 6029578 or 4534909 ×9
  • Technic Beam 1 x 7 Thick with Alternating Holes Black Part 2391 Element 6435016 ×5
  • Technic Beam 3 x 3 L-Shape Thin Black Part 32056 Element 6271810 or 4112287 ×4
  • Technic Beam Frame 5 x 7 with 3 x 5 Opening Thick Black Part 64179 Element 6016154 ×4
  • Technic Bush Black Part 3713 Element 6332148 or 6210506 1 spare in the box ×3
  • Technic Driving Ring Connector Smooth [2 rounded and 2 flat side walls] Black Part 42195 Element 6286381 ×1
  • Technic Gear 36 Tooth Double Bevel Black Part 32498 Element 4255563 or 4177434 ×1
  • Technic Panel 5 x 11 x 1 Black Part 64782 Element 4566243 ×1
  • Technic Panel Curved 7 x 3 with 2 Pin Holes through Panel Surface Black Part 24119 Element 6150082 ×2
  • Technic Panel Fairing 2 x 3 x 1 with Silver 'McLaren' Print Black Part 71682pr0001 Element 6463310 ×1
  • Technic Pin Connector Hub Perpendicular 3L with 2 Pins Black Part 2393 Element 6477712 ×2
  • Technic Pin Connector Round [Slotted] Black Part 62462 Element 6173119 or 4526982 ×2
  • Technic Pin Connector Toggle Joint Smooth Double with Axle and Pin Holes Black Part 87408 Element 6278412 or 4558692 ×1
  • Technic Pin with Friction Ridges Lengthwise with No Center Slots Black Part 61332 Element 6279875 1 spare in the box ×34
  • Tile 1 x 2 with Silver 'TM' Print Black Part 3069bpr9955 Element 6533447 ×1

Light Bluish Gray 55 pieces

  • Bracket 1 x 1 - 1 x 1 Light Bluish Gray Part 36841 Element 6248078 or 6227012 ×1
  • Brick 1 x 3 Light Bluish Gray Part 3622 Element 4211428 ×1
  • Brick Curved 1 x 2 x 1 1/3 with Curved Top Light Bluish Gray Part 6091 Element 6285778 or 4211519 ×1
  • Brick Curved 2 x 1 No Studs [1/2 Bow] Light Bluish Gray Part 11477 Element 6028813 ×1
  • Brick Curved Inverted 2 x 1 Light Bluish Gray Part 24201 Element 6144138 ×1
  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Light Bluish Gray Part 54200 Element 4521921 or 4244372 1 spare in the box ×1
  • Brick Sloped 45° 2 x 1 with 2/3 Cutout [New Version] Light Bluish Gray Part 15672 Element 6093859 ×1
  • Brick Sloped 45° 2 x 1 with 2/3 Inverted Cutout and no stud Light Bluish Gray Part 28192 Element 6213378 ×1
  • Brick Sloped 45° 2 x 1 with Bottom Pin Light Bluish Gray Part 3040b Element 4211614 ×5
  • Brick Sloped Inverted 45° 2 x 1 Light Bluish Gray Part 3665 Element 4211437 ×2
  • Differential Gear House Light Bluish Gray Part 65414 Element 6285647 ×1
  • Plate 1 x 1 Light Bluish Gray Part 3024 Element 4211399 1 spare in the box ×5
  • Plate 1 x 3 Light Bluish Gray Part 3623 Element 4211429 or 3623194 ×1
  • Plate 1 x 4 Light Bluish Gray Part 3710 Element 4211445 ×2
  • Plate 1 x 6 Light Bluish Gray Part 3666 Element 4211438 ×3
  • Plate Special 1 x 1 with Clip Light, Bar Hole [Thick Ring] Light Bluish Gray Part 4081b Element 6281998 or 4632575 ×1
  • Technic Axle 3 Light Bluish Gray Part 4519 Element 4211815 ×4
  • Technic Beam 1 x 7 Thick Light Bluish Gray Part 32524 Element 4495930 or 4211665 ×2
  • Technic Beam 3 x 3 T-Shape Thick Light Bluish Gray Part 60484 Element 4552348 or 4535772 ×1
  • Technic Brick 1 x 1 with Axle Hole Light Bluish Gray Part 73230 Element 6336539 ×3
  • Technic Gear 16 Tooth Reinforced [New Style] Light Bluish Gray Part 94925 Element 4640536 ×2
  • Technic Pin Connector Hub Perpendicular 3 x 3 Bent with 4 Pins (Pin Ridges Along Part) Light Bluish Gray Part 49130 Element 6313453 ×4
  • Technic Pin Connector Hub Perpendicular 3L with 4 Pins (Squared Holes) Light Bluish Gray Part 65489 Element 6282158 ×2
  • Technic Pin Connector Round 1L [Beam] Light Bluish Gray Part 18654 Element 6183784 1 spare in the box ×6
  • Tile 1 x 1 with Groove Light Bluish Gray Part 3070b Element 4211415 1 spare in the box ×1
  • Tile 1 x 4 with Groove Light Bluish Gray Part 2431 Element 4211356 or 2431194 ×1
  • Tile 1 x 6 with Groove Light Bluish Gray Part 6636 Element 4211549 ×1

Blue 11 pieces

  • Technic Axle Pin with Friction Ridges Lengthwise Blue Part 43093 Element 4309323 or 4206482 ×2
  • Technic Beam 1 x 2 Thick with Pin Hole and Axle Hole Blue Part 60483 Element 6392955 ×1
  • Technic Pin Long with Friction Ridges Lengthwise, 1 Center Slot Blue Part 42924 Element 6299413 ×8

Tan 10 pieces

  • Technic Axle 4 with Centre Stop Tan Part 99008 Element 4666999 ×3
  • Technic Gear 12 Tooth Bevel Tan Part 6589 Element 4565452 or 4514556 ×6
  • Technic Gear 20 Tooth Bevel Tan Part 32198 Element 6031962 or 4514557 ×1

Red 8 pieces

  • Differential Gear - 28 Tooth with Round Axle Hole Red Part 65413 Element 6285646 ×1
  • Technic Axle and Pin Connector Perpendicular Red Part 6536 Element 6261373 or 4188298 ×1
  • Technic Beam 3 x 0.5 Liftarm with Boss and Blocked, Squared Pin Hole Red Part 61408 Element 6331864 ×3
  • Technic Bush Red Part 3713 Element 6271820 or 4227155 1 spare in the box ×1
  • Technic Pin Connector Round [Slotted] Red Part 62462 Element 6173126 or 4526984 ×2

Bright Light Orange 5 pieces

  • Technic Beam 1 x 3 Thin Bright Light Orange Part 6632 Element 6476824 ×2
  • Technic Beam 1 x 5 Thick Bright Light Orange Part 32316 Element 6203256 or 4248239 ×1
  • Technic Beam Round 11 x 11 Bright Light Orange Part 77107 Element 6523376 ×2

Yellow 4 pieces

  • Technic Axle 5 Yellow Part 32073 Element 6130008 ×1
  • Technic Axle Connector Smooth [with x Hole + Orientation] Yellow Part 59443 Element 4519010 ×2
  • Technic Pin without Friction Ridges Lengthwise Yellow Part 3673 Element 6331822 1 spare in the box ×1

Dark Bluish Gray 3 pieces

  • Technic Axle 4 with Stop Dark Bluish Gray Part 87083 Element 6083620 or 4560177 ×1
  • Technic Beam 3 x 5 Thick [90° Offset Centre Beam Holes] Dark Bluish Gray Part 14720 Element 6396959 ×1
  • Technic Pin Connector Hub with 2 Axles Dark Bluish Gray Part 27940 Element 6167281 ×1

White 2 pieces

  • Technic Axle Pin 3L without Friction Ridges and 2L Axle White Part 65249 Element 6289797 ×1
  • Technic Axle and Pin Connector Perpendicular Double Split [Reinforced] White Part 69819 Element 6346389 ×1

Orange 1 piece

  • Technic Pin Long with Friction Ridges Lengthwise and Stop Bush [2 Lateral Holes, Small Pin Hole] Orange Part 65304 Element 6347790 ×1

Reddish Brown 1 piece

  • Technic Axle 5 with Stop Reddish Brown Part 15462 Element 6159763 ×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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