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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.

Lufthansa Plane

Checking

40146 Lufthansa Plane

63 pieces in 43 part and color combinations, plus 1 minifigure.

The piece count includes the 4 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

Plates 18 pieces

  • Plate 2 x 2 Black Part 3022 Element 302226 ×1
  • Plate 2 x 4 Black Part 3020 Element 302026 ×1
  • Plate 4 x 4 Black Part 3031 Element 4243819 or 303126 ×1
  • Plate 1 x 1 Light Bluish Gray Part 3024 Element 4211399 ×2
  • Plate 1 x 2 Light Bluish Gray Part 3023 Element 4211398 or 3023194 ×2
  • Plate 1 x 6 Light Bluish Gray Part 3666 Element 4211438 ×1
  • Plate 2 x 4 Light Bluish Gray Part 3020 Element 4211395 ×3
  • Plate 1 x 2 Trans-Brown Part 3023 Element 6514006 or 6240219 ×1
  • Plate 1 x 2 White Part 3023 Element 6552100 or 6548261 ×1
  • Plate 2 x 2 White Part 3022 Element 6552099 or 6548260 ×3
  • Plate 2 x 4 White Part 3020 Element 6552098 or 302001 ×2

Plates Special 8 pieces

  • Plate Special 1 x 1 with Tooth Flat Silver Part 49668 Element 4625146 ×4
  • Plate Special 1 x 2 with Handles [Flat Ends / Low Attachment] Light Bluish Gray Part 3839b Element 4211464 ×2
  • Bracket 1 x 2 - 1 x 2 White Part 99781 Element 6552141 or 6548275 ×1
  • Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper) White Part 15573 Element 6550152 or 6051511 ×1

Plates Wedged 7 pieces

  • Wedge Plate 2 x 4 White Part 51739 Element 6552128 or 4249506 ×1
  • Wedge Plate 3 x 2 Left White Part 43723 Element 6552121 or 4179875 ×2
  • Wedge Plate 3 x 2 Right White Part 43722 Element 6552120 or 4179874 ×2
  • Wedge Plate 6 x 3 Left White Part 54384 Element 4287708 ×1
  • Wedge Plate 6 x 3 Right White Part 54383 Element 4287707 ×1

Bricks Round and Cones 6 pieces

  • Cone 1 x 1 [Top Groove] Metallic Silver Part 59900 Element 6051385 or 4529351 ×4
  • Brick Round 2 x 2 Truncated Cone White Part 98100 Element 6609536 or 4649167 ×1
  • Cone 1 x 1 [Top Groove] White Part 59900 Element 6601844 or 4518400 ×1

Bricks Sloped 4 pieces

  • Brick Sloped 30° 1 x 2 x 2/3 Black Part 85984 Element 4548180 ×1
  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) White Part 54200 Element 6550179 or 4504369 ×2
  • Brick Sloped Inverted 33° 3 x 2, Connections between Studs, Ovoid Bottom Pin White Part 3747b Element 4500469 ×1

Hinges, Arms and Turntables 4 pieces

  • Hinge Brick 1 x 2 Base Black Part 3937 Element 393726 ×1
  • Hinge Brick 2 x 2 Top Plate Thin Light Bluish Gray Part 6134 Element 4211881 ×1
  • Hinge Plate 1 x 4 Swivel Top / Base - Solid Clip [Complete Assembly] Light Bluish Gray Part 73983 Element 6102769 or 4219256 ×2

Plates Round Curved and Dishes 3 pieces

  • Plate Round 2 x 2 with Rounded Bottom [Boat Stud] Trans-Clear Part 2654 Element 6581772 or 6163901 ×2
  • Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) White Part 4032a Element 6601914 or 403201 ×1

Tiles 3 pieces

  • Tile 2 x 2 with Groove White Part 3068b Element 6548263 or 306801 ×1
  • Tile 2 x 4 with Groove White Part 87079 Element 6548271 or 4560178 ×2

Bricks 2 pieces

  • Brick 2 x 4 White Part 3001 Element 6552094 or 300101 ×1
  • Brick 2 x 6 White Part 2456 Element 6552122 or 4249698 ×1

Stickers 2 pieces

  • Sticker Sheet 1 for Set 40146-1 [No Color/Any Color] Part 20413 Element 6105891 ×1
  • Sticker Sheet 2 for Set 40146-1 [No Color/Any Color] Part 20471 Element 6106337 ×1

Bricks Curved 1 piece

  • Brick Curved 2 x 2 x 2/3 White Part 15068 Element 6552147 or 6047220 ×1

Minifig Accessories 1 piece

  • Bag / Briefcase Black Part 4449 Element 6268856 or 4154853 ×1

Technic Bricks 1 piece

  • Technic Brick 1 x 2 [1 Pin Hole] White Part 3700 Element 6619284 or 370001 ×1

Technic Pins 1 piece

  • Technic Axle Pin with Friction Ridges Lengthwise Blue Part 43093 Element 4309323 or 4206482 ×1

Tiles Round and Curved 1 piece

  • Tile Round 1 x 1 White Part 98138 Element 6564903 or 6284572 ×1

Transportation - Sea and Air 1 piece

  • Tail Shuttle White Part 6239 Element 623901 ×1

Minifigures 1 figure

  • Blue Torso, Blue Legs, Blue 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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