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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.

Steam Locomotive

Checking

11945 Steam Locomotive

38 pieces in 23 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 21 pieces

  • Bracket 2 x 2 with 1 x 2 Vertical Studs Black Part 41682 Element 6250020 ×1
  • Brick Arch 1 x 3 Black Part 4490 Element 4512727 or 4240242 ×2
  • Brick Curved 4 x 1 Double, No Studs Black Part 93273 Element 4613153 ×3
  • Cone 1 x 1 [Top Groove] Black Part 59900 Element 4529236 ×1
  • Plate 2 x 4 Black Part 3020 Element 302026 ×1
  • Plate Special 1 x 1 with Clip Horizontal [Thick Open O Clip] Black Part 61252 Element 6308000 or 4517925 ×1
  • Plate Special 1 x 2 Side Handle [Free Ends] Black Part 2540 Element 4140588 or 254026 ×1
  • Plate Special 1 x 4 with 2 Studs with Groove [New Underside] Black Part 41740 Element 6254045 ×2
  • Plate Special 2 x 2 with Wheel Holders Black Part 4600 Element 460026 ×3
  • Plate Special Round 2 x 2 with Center Stud (Jumper Plate) Black Part 18674 Element 6195325 ×2
  • Tile 2 x 2 with Groove Black Part 3068b Element 306826 ×1
  • Tile Round 1 x 1 Black Part 98138 Element 6284070 or 6139403 1 spare in the box ×3

Light Bluish Gray 7 pieces

  • Plate 2 x 2 Light Bluish Gray Part 3022 Element 4211397 ×1
  • Wheel 14mm D. x 9.9mm with Centre Groove, Fake Bolts and 6 Spokes Light Bluish Gray Part 11208 Element 6029209 ×4
  • Wheel 8 x 6 with Slot Light Bluish Gray Part 34337 Element 6194808 1 spare in the box ×2

Green 5 pieces

  • Brick 1 x 3 Green Part 3622 Element 4109679 or 362228 ×2
  • Brick Round 2 x 2 with Axle Hole Green Part 3941 Element 4251378 or 4239200 ×2
  • Dish 2 x 2 Inverted [Radar] Green Part 4740 Element 4567908 or 4239191 ×1

Dark Bluish Gray 4 pieces

  • Bracket 1 x 2 - 1 x 2 Inverted Dark Bluish Gray Part 99780 Element 6000606 ×1
  • Plate 2 x 3 Dark Bluish Gray Part 3021 Element 4211043 ×1
  • Plate 2 x 6 Dark Bluish Gray Part 3795 Element 4211002 ×1
  • Plate Special 1 x 2 with 5.9mm Centre Side Towball Dark Bluish Gray Part 14417 Element 6414560 or 6338160 ×1

Trans-Red 1 piece

  • Plate Round 1 x 1 with Solid Stud Trans-Red Part 6141 Element 6514051 or 6208450 1 spare in the box ×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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