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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.

TTX Intermodal Double-Stack Car

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10170 TTX Intermodal Double-Stack Car

366 pieces in 100 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

Yellow 117 pieces

  • Brick 1 x 1 Yellow Part 3005 Element 300524 ×8
  • Brick 1 x 4 Yellow Part 3010 Element 301024 ×8
  • Brick Sloped 33° 3 x 2 Yellow Part 3298 Element 329824 ×4
  • Brick Sloped Inverted 45° 2 x 1 Yellow Part 3665 Element 366524 ×8
  • Panel 1 x 2 x 2 [Hollow Studs] Yellow Part 4864b Element 4113020 ×16
  • Plate 1 x 1 Yellow Part 3024 Element 302424 ×8
  • Plate 1 x 2 Yellow Part 3023 Element 302324 ×12
  • Plate 1 x 4 Yellow Part 3710 Element 371024 ×4
  • Plate 1 x 6 Yellow Part 3666 Element 366624 ×8
  • Plate 2 x 4 Yellow Part 3020 Element 302024 ×2
  • Plate 2 x 6 Yellow Part 3795 Element 379524 ×4
  • Plate 4 x 4 Yellow Part 3031 Element 4243817 or 303124 ×2
  • Plate 4 x 6 Yellow Part 3032 Element 303224 ×2
  • Plate Special 1 x 2 with Ladder Yellow Part 4175 Element 6252195 or 6186664 ×8
  • Steering Stand 1 x 2 with Black Steering Wheel Yellow Part 3829c01 Element 9553 ×4
  • Technic Plate 2 x 6 [5 Holes] Yellow Part 32001 Element 6038194 or 4107750 ×2
  • Technic Plate 2 x 8 [7 Holes] Yellow Part 3738 Element 4624216 or 373824 ×1
  • Tile 1 x 8 with Groove Yellow Part 4162 Element 6388482 or 4189400 ×8
  • Tile Special 1 x 2 with Handle Yellow Part 2432 Element 243224 ×8

Black 76 pieces

  • Bar 1 x 4 x 2 Black Part 6187 Element 4141349 or 4121537 ×2
  • Bracket 5 x 2 x 2 1/3 with Holes, Smooth Bottom Black Part 6087 Element 4100423 or 608726 ×8
  • Brick Round 1 x 1 Open Stud Black Part 3062b Element 306226 ×4
  • Brick Special 1 x 1 with Handle Black Part 2921 Element 6170566 or 292126 ×4
  • Brick Special 1 x 2 with Grille Black Part 2877 Element 287726 ×8
  • Magnet Cylindrical Black Part 73092 Element 73092 ×2
  • Plate 1 x 2 Black Part 3023 Element 302326 ×8
  • Plate 1 x 4 Black Part 3710 Element 371026 ×4
  • Plate 1 x 8 Black Part 3460 Element 346026 ×8
  • Plate 2 x 6 Black Part 3795 Element 379526 Also in Dark Bluish Gray ×2
  • Plate 6 x 16 Black Part 3027 Element 302726 ×2
  • Plate Special 1 x 2 with Door Rail Black Part 32028 Element 4107761 ×4
  • Technic Plate 2 x 4 [3 Holes] Black Part 3709 Element 370926 ×4
  • Tile 1 x 4 with Groove Black Part 2431 Element 243126 ×2
  • Tile 1 x 6 with Groove Black Part 6636 Element 663626 ×2
  • Tile Special 6 x 4 with Beveled Edges and 5mm Pin (Train Bogie Plate) Black Part 4025 Element 6096842 or 6051914 ×2
  • Train Buffer Beam Black Part 4022 Element 4109853 or 402276 ×2
  • Train Coupling New Black Part 2920 Element 4299239 or 292076 ×2
  • Wheel Holder, Train with Wheels [Complete Assembly] Black Part 2878c01 Element 4207401 or 74784 ×6

Light Bluish Gray 58 pieces

  • Brick 1 x 2 Light Bluish Gray Part 3004 Element 4211388 ×2
  • Brick 1 x 4 Light Bluish Gray Part 3010 Element 4211394 ×4
  • Brick 1 x 6 Light Bluish Gray Part 3009 Element 4211393 ×2
  • Brick 1 x 8 Light Bluish Gray Part 3008 Element 4211392 ×2
  • Brick Special 1 x 1 with Handle Light Bluish Gray Part 2921 Element 6170569 or 4225532 ×4
  • Brick Special 1 x 2 with Grille Light Bluish Gray Part 2877 Element 4211383 ×14
  • Plate 1 x 10 Light Bluish Gray Part 4477 Element 4251149 or 4211495 ×4
  • Plate 1 x 4 Light Bluish Gray Part 3710 Element 4211445 ×4
  • Plate 2 x 16 Light Bluish Gray Part 4282 Element 4211486 ×2
  • Plate 2 x 2 Corner Light Bluish Gray Part 2420 Element 4211353 ×4
  • Plate 2 x 4 Light Bluish Gray Part 3020 Element 4211395 ×1
  • Plate 2 x 6 Light Bluish Gray Part 3795 Element 4211452 or 3795194 ×2
  • Plate 4 x 6 Light Bluish Gray Part 3032 Element 4211404 ×1
  • Plate 4 x 8 Light Bluish Gray Part 3035 Element 4211407 ×1
  • Tile 1 x 2 with Groove Light Bluish Gray Part 3069b Element 4211414 ×4
  • Tile 1 x 4 with Groove Light Bluish Gray Part 2431 Element 4211356 or 2431194 ×2
  • Tile 1 x 6 with Groove Light Bluish Gray Part 6636 Element 4211549 ×2
  • Tile 1 x 8 with Groove Light Bluish Gray Part 4162 Element 4211481 ×2
  • Tile 2 x 2 with Groove Light Bluish Gray Part 3068b Element 4211413 ×1

Red 37 pieces

  • Brick 1 x 2 Red Part 3004 Element 4613961 or 300421 ×2
  • Brick 1 x 4 Red Part 3010 Element 301021 ×4
  • Brick 1 x 6 Red Part 3009 Element 300921 ×2
  • Brick Special 1 x 1 with Handle Red Part 2921 Element 6170565 or 292121 ×4
  • Brick Special 1 x 2 with Grille Red Part 2877 Element 6219677 or 287721 ×6
  • Plate 1 x 6 Red Part 3666 Element 366621 ×4
  • Plate 2 x 2 Corner Red Part 2420 Element 242071 or 242021 ×4
  • Plate 2 x 6 Red Part 3795 Element 379521 ×1
  • Plate 4 x 6 Red Part 3032 Element 303221 ×1
  • Plate 4 x 8 Red Part 3035 Element 303521 ×1
  • Technic Axle 2 Notched Red Part 32062 Element 4142865 ×2
  • Tile 1 x 2 with Groove Red Part 3069b Element 4178178 or 306921 ×2
  • Tile 1 x 4 with Groove Red Part 2431 Element 243121 ×2
  • Tile 1 x 6 with Groove Red Part 6636 Element 4113858 ×2

White 35 pieces

  • Brick 1 x 2 White Part 3004 Element 6548257 or 4613964 ×2
  • Brick 1 x 4 White Part 3010 Element 6550135 or 301001 ×4
  • Brick 1 x 6 White Part 3009 Element 6552097 or 6548259 ×2
  • Brick Special 1 x 1 with Handle White Part 2921 Element 6615537 or 6170567 ×4
  • Brick Special 1 x 2 with Grille White Part 2877 Element 6552093 or 287701 ×6
  • Plate 1 x 6 White Part 3666 Element 6552107 or 6548265 ×4
  • Plate 2 x 2 Corner White Part 2420 Element 6548254 or 242051 ×4
  • Plate 2 x 6 White Part 3795 Element 6550146 or 379501 ×1
  • Plate 4 x 6 White Part 3032 Element 303201 ×1
  • Plate 4 x 8 White Part 3035 Element 6609533 or 303501 ×1
  • Tile 1 x 2 with Groove White Part 3069b Element 6548264 or 306901 ×2
  • Tile 1 x 4 with Groove White Part 2431 Element 6548255 or 243101 ×2
  • Tile 1 x 6 with Groove White Part 6636 Element 6548296 or 663601 ×2

Blue 25 pieces

  • Brick 1 x 2 Blue Part 3004 Element 4613959 or 300423 ×2
  • Brick 1 x 4 Blue Part 3010 Element 301023 ×4
  • Brick 1 x 6 Blue Part 3009 Element 300923 ×2
  • Plate 1 x 6 Blue Part 3666 Element 366623 ×4
  • Plate 2 x 2 Corner Blue Part 2420 Element 242073 or 242023 ×4
  • Plate 2 x 6 Blue Part 3795 Element 379523 ×1
  • Plate 4 x 6 Blue Part 3032 Element 303223 ×1
  • Plate 4 x 8 Blue Part 3035 Element 303523 ×1
  • Tile 1 x 2 with Groove Blue Part 3069b Element 306923 ×2
  • Tile 1 x 4 with Groove Blue Part 2431 Element 243123 ×2
  • Tile 1 x 6 with Groove Blue Part 6636 Element 4118785 or 4108153 ×2

Dark Bluish Gray 17 pieces

  • Plate 2 x 4 Dark Bluish Gray Part 3020 Element 4211065 ×1
  • Plate 2 x 6 Dark Bluish Gray Part 3795 Element 4211002 Also in Black ×2
  • Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) Dark Bluish Gray Part 4032a Element 4211042 ×2
  • Tile Special 1 x 2 Grille with Bottom Groove Dark Bluish Gray Part 2412b Element 4210631 ×12

[No Color/Any Color] 1 piece

  • Sticker Sheet for Set 10170-1 [No Color/Any Color] Part 54290 Element 4279230 ×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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