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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.

Vietnam 2025 Factory

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4000043 Vietnam 2025 Factory

346 pieces in 83 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.

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Piece checklist

Dark Bluish Gray 89 pieces

  • Hinge Plate 1 x 2 Locking with 1 Finger On End, without Groove Dark Bluish Gray Part 44301b Element 6266225 ×4
  • Plate 1 x 1 Dark Bluish Gray Part 3024 Element 4210719 ×16
  • Plate 1 x 2 Dark Bluish Gray Part 3023 Element 4211063 ×26
  • Plate 1 x 3 Dark Bluish Gray Part 3623 Element 4211133 Also in Black ×1
  • Plate 1 x 4 Dark Bluish Gray Part 3710 Element 4211001 ×2
  • Plate 2 x 2 Dark Bluish Gray Part 3022 Element 4211094 ×4
  • Plate 2 x 3 Dark Bluish Gray Part 3021 Element 4211043 ×1
  • Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper) Dark Bluish Gray Part 15573 Element 6092572 ×2
  • Plate Special 1 x 2 with Door Rail Dark Bluish Gray Part 32028 Element 4543086 or 4541289 ×3
  • Plate Special 1 x 3 with 2 Studs with Groove and Inside Stud Holder (Jumper) Dark Bluish Gray Part 34103 Element 6343852 ×7
  • Tile 1 x 1 with Groove Dark Bluish Gray Part 3070b Element 4210848 ×1
  • Tile 1 x 2 with Groove Dark Bluish Gray Part 3069b Element 4211052 ×12
  • Tile 1 x 3 Dark Bluish Gray Part 63864 Element 4568734 Also in Black ×4
  • Tile 1 x 8 with Groove Dark Bluish Gray Part 4162 Element 5210651 or 4211008 Also in Black ×2
  • Tile 2 x 2 with Groove Dark Bluish Gray Part 3068b Element 4211055 ×2
  • Tile 2 x 3 Dark Bluish Gray Part 26603 Element 6187008 ×2

Light Bluish Gray 65 pieces

  • Hinge Plate 1 x 2 Locking with 1 Finger On End, without Groove Light Bluish Gray Part 44301b Element 6266231 ×2
  • Panel 1 x 1 x 1 Corner Light Bluish Gray Part 6231 Element 4215513 ×2
  • Panel 1 x 2 x 1 [Rounded Corners] Light Bluish Gray Part 4865b Element 6146223 ×1
  • Plate 1 x 1 Light Bluish Gray Part 3024 Element 4211399 ×14
  • Plate 1 x 2 Light Bluish Gray Part 3023 Element 4211398 or 3023194 ×23
  • Plate 1 x 3 Light Bluish Gray Part 3623 Element 4211429 or 3623194 ×3
  • Plate 1 x 4 Light Bluish Gray Part 3710 Element 4211445 ×2
  • Plate 2 x 2 Light Bluish Gray Part 3022 Element 4211397 ×5
  • Plate 2 x 6 Light Bluish Gray Part 3795 Element 4211452 or 3795194 ×1
  • Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper) Light Bluish Gray Part 15573 Element 6066097 or 4211451 ×5
  • Plate Special 1 x 2 with Door Rail Light Bluish Gray Part 32028 Element 4211568 ×2
  • Plate Special 2 x 2 with Groove and Center Stud (Jumper) Light Bluish Gray Part 87580 Element 6126082 or 4565393 ×1
  • Tile 1 x 1 with Groove Light Bluish Gray Part 3070b Element 4211415 ×1
  • Tile 1 x 3 Light Bluish Gray Part 63864 Element 4558169 ×2
  • Tile 2 x 2 Corner Light Bluish Gray Part 14719 Element 6065824 ×1

White 60 pieces

  • Plate 1 x 1 White Part 3024 Element 6548262 or 302401 Also in Trans-Clear ×1
  • Plate 1 x 2 White Part 3023 Element 6552100 or 6548261 Also in Trans-Clear ×1
  • Plate 1 x 4 White Part 3710 Element 6552108 or 6548266 ×2
  • Plate 2 x 3 White Part 3021 Element 6550136 or 302101 ×6
  • Plate Round 1 x 1 with Open Stud White Part 85861 Element 6168642 or 4547649 ×3
  • Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper) White Part 15573 Element 6550152 or 6051511 ×6
  • Tile 1 x 1 with Groove White Part 3070b Element 6550138 or 307001 ×8
  • Tile 1 x 2 with Dark Blue Lines / Solar Panels Print White Part 3069bpr9912 Element 6503004 ×24
  • Tile 1 x 2 with Groove White Part 3069b Element 6548264 or 306901 ×5
  • Tile 2 x 2 with Groove White Part 3068b Element 6548263 or 306801 ×1
  • Tile, Star with Stud Holder, Pin Hole White Part 11609 Element 6469041 ×3

Black 31 pieces

  • Equipment Candlestick Black Part 37762 Element 6290456 ×4
  • Plate 1 x 3 Black Part 3623 Element 362326 Also in Dark Bluish Gray ×1
  • Plate 2 x 14 Black Part 91988 Element 6001494 ×3
  • Plate 6 x 14 Black Part 3456 Element 345626 ×3
  • Plate Round 1 x 1 with Open Stud Black Part 85861 Element 6168646 or 6100627 ×4
  • Tile 1 x 3 Black Part 63864 Element 4558170 Also in Dark Bluish Gray ×1
  • Tile 1 x 4 with Groove Black Part 2431 Element 243126 ×1
  • Tile 1 x 6 with Groove Black Part 6636 Element 663626 ×5
  • Tile 1 x 8 with Groove Black Part 4162 Element 416226 Also in Dark Bluish Gray ×3
  • Tile 1 x 8 with White 'Vietnam Factory 2025' Print Black Part 4162pr0121 Element 6568604 ×1
  • Tile 2 x 2 Corner Black Part 14719 Element 6133722 ×1
  • Tile Special Round 1 x 1 with Hollow Bar Black Part 20482 Element 6186675 or 6167933 ×4

Green 24 pieces

  • Cone 1 x 1 [Top Groove] Green Part 59900 Element 4529239 ×6
  • Plate 1 x 1 Green Part 3024 Element 302428 ×6
  • Plate 1 x 2 Green Part 3023 Element 302328 ×2
  • Plate 1 x 3 Green Part 3623 Element 4107758 or 362328 ×4
  • Plate 1 x 4 Green Part 3710 Element 371028 ×2
  • Plate 2 x 3 Green Part 3021 Element 302128 ×1
  • Plate 2 x 4 Green Part 3020 Element 302028 ×3

Bright Green 21 pieces

  • Plant, Flower, Plate Round 1 x 1 with 5 Petals Bright Green Part 24866 Element 6526150 or 6206150 ×21

Trans-Clear 16 pieces

  • Brick 1 x 2 without Bottom Tube Trans-Clear Part 3065 Element 6514262 or 6244904 ×2
  • Plate 1 x 1 Trans-Clear Part 3024 Element 6513962 or 6252041 Also in White ×11
  • Plate 1 x 2 Trans-Clear Part 3023 Element 6514001 or 6240204 Also in White ×3

Tan 9 pieces

  • Plate 1 x 1 Tan Part 3024 Element 4159553 or 302405 ×4
  • Plate 2 x 4 Tan Part 3020 Element 4114309 or 302005 ×5

Yellow 9 pieces

  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Yellow Part 54200 Element 4504381 or 4283095 ×1
  • Plate 1 x 1 Yellow Part 3024 Element 302424 ×2
  • Plate 1 x 4 Yellow Part 3710 Element 371024 ×3
  • Plate 2 x 2 Corner Yellow Part 2420 Element 242074 or 242024 ×2
  • Tile 1 x 2 with Groove Yellow Part 3069b Element 306924 ×1

Reddish Brown 7 pieces

  • Brick 1 x 2 Reddish Brown Part 3004 Element 4613963 or 4211149 ×2
  • Plate Round 1 x 1 with Solid Stud Reddish Brown Part 6141 Element 4216581 ×5

Red 4 pieces

  • Brick 2 x 4 Red Part 3001 Element 300121 ×1
  • Plate 1 x 1 Red Part 3024 Element 302421 ×2
  • Plate Special 1 x 2 with Door Rail Red Part 32028 Element 4612575 or 4239063 ×1

Medium Azure 3 pieces

  • Plate 1 x 2 Medium Azure Part 3023 Element 6603337 or 6097419 ×3

Trans-Light Blue 3 pieces

  • Tile 1 x 2 with Groove Trans-Light Blue Part 3069b Element 6514224 or 6251295 ×3

Lime 2 pieces

  • Brick Special 1 x 1 with Stud on 1 Side Lime Part 87087 Element 6073026 or 4566860 ×2

Blue 1 piece

  • Plate 1 x 1 Blue Part 3024 Element 302423 ×1

Bright Pink 1 piece

  • Plate 1 x 2 Bright Pink Part 3023 Element 4654128 or 4245303 ×1

Dark Tan 1 piece

  • Brick 2 x 2 Dark Tan Part 3003 Element 4497068 or 4255416 ×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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