Free tool

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.

Locomotive without Motor

Checking

117 Locomotive without Motor

99 pieces in 29 part and color combinations.

LEGO counts 107 pieces. This inventory comes from a separate parts catalog and lists 99; 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.

Show

Piece checklist

Black 72 pieces

  • Brick 1 x 1 Black Part 3005 Element 300526 ×8
  • Brick 1 x 4 Black Part 3010 Element 301026 ×1
  • Brick 1 x 6 Black Part 3009 Element 300926 ×6
  • Brick 1 x 8 Black Part 3008 Element 300826 ×2
  • Brick 2 x 4 without Cross Supports Black Part 3001a ×7
  • Brick Round 1 x 1 Solid Stud Black Part 3062a ×1
  • Brick Sloped 45° 2 x 1 without Bottom Pin Black Part 3040a ×2
  • Brick Sloped 45° 2 x 2 Black Part 3039 Element 303926 ×4
  • Brick Sloped 45° 2 x 2 Double Convex Black Part 3045 Element 4189064 or 304526 ×2
  • Brick Sloped 45° 2 x 3 Black Part 3038 Element 303826 ×2
  • Brick Sloped 45° 2 x 4 Black Part 3037 Element 303726 ×6
  • Plate 1 x 1 Black Part 3024 Element 302426 ×2
  • Plate 1 x 2 Black Part 3023 Element 302326 ×10
  • Plate 2 x 2 Black Part 3022 Element 302226 ×4
  • Plate 2 x 3 Black Part 3021 Element 302126 ×5
  • Plate 2 x 4 Black Part 3020 Element 302026 ×10

Red 19 pieces

  • Plate 1 x 1 Red Part 3024 Element 302421 ×2
  • Plate 1 x 2 Red Part 3023 Element 302321 ×4
  • Plate 2 x 3 Red Part 3021 Element 302121 ×2
  • Plate 2 x 4 Red Part 3020 Element 302021 ×3
  • Plate Special 2 x 4 with Train Coupler Open with Magnet Short Cylinder Blue Red Part 737ac02 ×1
  • Plate Special 2 x 4 with Train Coupler Open with Magnet Short Cylinder Red Red Part 737ac01 ×1
  • Train Wheel Spoked for Motor Red Part upn0383a ×4
  • Window 1 x 1 x 1 Classic with Long Sill [Complete] Red Part 3087bc01 ×2

Trans-Clear 4 pieces

  • Brick 1 x 1 Trans-Clear Part 3005 Element 6514207 or 6220959 ×2
  • Brick 1 x 2 Trans-Clear Part 3004 Element 4256587 or 300410 ×2

White 2 pieces

  • Brick Special 2 x 4 with Wheel Holder Old, Clear Bottom, Red Inside White Part 7049bc01 ×2

Light Gray 1 piece

  • Plate 6 x 16 Light Gray Part 3027 Element 4160991 or 302702 ×1

Yellow 1 piece

  • Plate 2 x 2 Yellow Part 3022 Element 4613978 or 302224 ×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.