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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.

Train Level Crossing

Checking

10128-2 Train Level Crossing

319 pieces in 122 part and color combinations, plus 2 minifigures.

The piece count includes the 8 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.

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

Black 101 pieces

  • Antenna 8H Whip Black Part 2569 Element 6265148 or 6164379 ×1
  • Brick 1 x 2 Black Part 3004 Element 300426 Also in Dark Bluish Gray ×4
  • Brick 2 x 2 Black Part 3003 Element 4103587 or 300326 ×3
  • Brick 2 x 4 Black Part 3001 Element 300126 Also in Dark Bluish Gray ×2
  • Brick Curved 6 x 1 Black Part 42022 Element 4160393 ×2
  • Brick Curved 6 x 2 Black Part 44126 Element 4180548 ×5
  • Brick Sloped 45° 2 x 1 with Bottom Pin Black Part 3040b Element 4121966 or 304026 ×2
  • Brick Sloped 45° 2 x 2 Black Part 3039 Element 303926 ×1
  • Brick Special 1 x 1 with 3 Speakers / Loudspeakers / Space Positioning Rockets Black Part 3963 Element 4200791 or 396326 ×1
  • Crane Basket 2 x 3 x 2 with Non-Locking Hinge Fingers Black Part 2424 Element 4212418 or 4141267 ×1
  • Door 1 x 4 x 6 with 3 Panes with Trans-Brown Glass Black Part 76041c02 Element 4261036 ×2
  • Hinge Brick 2 x 2 Top Plate Thin Black Part 6134 Element 4124096 or 613426 ×5
  • Hinge Cylinder 1 x 3 Locking with 1 Finger and Technic Friction Pin with Round Hole Black Part 41532 Element 4159335 ×1
  • Plate 1 x 1 Black Part 3024 Element 302426 ×4
  • Plate 1 x 2 Black Part 3023 Element 302326 ×1
  • Plate 1 x 4 Black Part 3710 Element 371026 Also in Dark Bluish Gray ×4
  • Plate 1 x 8 Black Part 3460 Element 346026 ×4
  • Plate 2 x 3 Black Part 3021 Element 302126 ×3
  • Plate 2 x 6 Black Part 3795 Element 379526 ×4
  • Plate Special 1 x 2 with Ladder Black Part 4175 Element 6285241 or 6179557 ×1
  • Road Sign Clip-on 2 x 2 Square Black Part 30258 Element 4547041 or 4210585 ×8
  • Stairs 7 x 4 x 6 Straight Open Black Part 30134 Element 4279270 or 4105288 ×4
  • String Reel 2 x 2 Winch Holder Black Part 2584 Element 6465125 or 6163507 ×2
  • Technic Axle 4 Black Part 3705 Element 370526 ×2
  • Technic Pin with Friction Ridges Lengthwise and Center Slots Black Part 2780 Element 4121715 or 278026 ×18
  • Tile Special 1 x 2 Grille with Bottom Groove Black Part 2412b Element 241226 ×2
  • Tile Special 1 x 2 with Handle Black Part 2432 Element 243226 ×4
  • Tool Hammer / Mallet Large Black Part 4522 Element 452226 ×1
  • Tool Screwdriver and Spanner / Wrench Black Part 4006 Element 6034000 or 4569095 ×1
  • Train Wheel Small Black Part 2927 Element 4227798 or 4163080 ×4
  • Tyre 21 x 12 with Offset Tread Small Wide Black Part 6015 Element 601526 ×4

Red 62 pieces

  • Brick 1 x 1 x 5 with Blocked Open or Hollow Stud Red Part 2453a Element 4160953 or 245321 ×2
  • Brick 1 x 10 Red Part 6111 Element 611121 ×3
  • Brick 1 x 2 x 5 with Blocked Open Studs and Bottom Stud Holder with Asymmetric Ridges Red Part 2454a ×5
  • Brick 1 x 4 Red Part 3010 Element 301021 ×4
  • Brick 1 x 6 x 5 Red Part 3754 Element 4188910 or 375421 ×1
  • Brick 1 x 8 Red Part 3008 Element 300821 ×1
  • Brick 2 x 4 Red Part 3001 Element 300121 ×10
  • Brick Sloped Inverted 45° 2 x 1 Red Part 3665 Element 366521 ×6
  • Brick Sloped Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes] Red Part 3660 Element 366021 ×4
  • Plate 1 x 10 Red Part 4477 Element 447721 ×1
  • Plate 1 x 2 Red Part 3023 Element 302321 ×1
  • Plate 2 x 10 Red Part 3832 Element 383221 ×1
  • Plate 2 x 2 Red Part 3022 Element 4613974 or 302221 ×8
  • Plate 2 x 4 Red Part 3020 Element 302021 ×5
  • Technic Pin Connector Round [No Slot] Red Part 75535 Element 75854 ×8
  • Tile 1 x 4 with Groove Red Part 2431 Element 243121 ×2

Dark Bluish Gray 46 pieces

  • Brick 1 x 1 Dark Bluish Gray Part 3005 Element 4211098 ×2
  • Brick 1 x 2 Dark Bluish Gray Part 3004 Element 4211088 Also in Black ×1
  • Brick 1 x 6 Dark Bluish Gray Part 3009 Element 4211100 ×2
  • Brick 2 x 4 Dark Bluish Gray Part 3001 Element 4211085 Also in Black ×2
  • Brick Sloped 10° 6 x 8 Dark Bluish Gray Part 4515 Element 6597674 or 4654618 ×4
  • Door Frame 1 x 4 x 6 Type 1 Dark Bluish Gray Part 30179 ×2
  • Equipment Radio [Extended Handle, Compact Speaker Grille] Dark Bluish Gray Part 3962b Element 4211116 ×1
  • Equipment Shovel [Rounded Handle End] Dark Bluish Gray Part 3837 Element 4211006 ×1
  • Hinge Brick 1 x 2 Base Dark Bluish Gray Part 3937 Element 4211066 ×1
  • Hinge Plate 1 x 2 Locking with 2 Fingers On End, with Groove, 9 Teeth Dark Bluish Gray Part 44302a Element 4210884 ×1
  • Plate 1 x 10 Dark Bluish Gray Part 4477 Element 4257526 or 4210816 ×1
  • Plate 1 x 4 Dark Bluish Gray Part 3710 Element 4211001 Also in Black ×1
  • Plate 4 x 12 Dark Bluish Gray Part 3029 Element 4210706 ×1
  • Plate 4 x 4 Dark Bluish Gray Part 3031 Element 4243831 or 4211089 ×2
  • Plate 4 x 8 Dark Bluish Gray Part 3035 Element 4211061 ×1
  • Plate 6 x 8 Dark Bluish Gray Part 3036 Element 4210794 ×2
  • Tile 1 x 2 with Computer Keyboard Standard Print Dark Bluish Gray Part 3069bpr0030 Element 4493478 or 4244759 ×1
  • Tile 1 x 4 with Groove Dark Bluish Gray Part 2431 Element 4211053 ×2
  • Tile 1 x 8 with Groove Dark Bluish Gray Part 4162 Element 5210651 or 4211008 ×12
  • Tile 2 x 2 with Computer Monitor, White Power Switch Icon Print Dark Bluish Gray Part 3068bpr0095 ×1
  • Tool Circular Saw Dark Bluish Gray Part 30194 Element 4211080 ×1
  • Tool Jackhammer / Motor Hammer Dark Bluish Gray Part 30228 Element 4261117 or 4211083 ×1
  • Vehicle Track, Train, 9V Straight Dark Bluish Gray Part 74746 Element 4235339 ×3

Light Bluish Gray 45 pieces

  • Bar 1 x 8 x 2 Light Bluish Gray Part 2486 Element 4587225 or 4263315 ×5
  • Bracket 1 x 2 - 1 x 4 [Square Corners] Light Bluish Gray Part 2436 Element 4282740 or 4211358 ×2
  • Brick 1 x 2 Light Bluish Gray Part 3004 Element 4211388 ×1
  • Brick Sloped 33° 3 x 4 with Train Railyard Switching Print Light Bluish Gray Part 3297pr0001 Element 4493481 ×1
  • Hinge Brick 1 x 6 Locking with 1 Finger Vertical End and 2 Fingers Vertical End, 9 Teeth Light Bluish Gray Part 30388 Element 4211696 ×1
  • Plate 1 x 1 Light Bluish Gray Part 3024 Element 4211399 ×2
  • Plate 1 x 6 Light Bluish Gray Part 3666 Element 4211438 ×2
  • Plate 2 x 2 Light Bluish Gray Part 3022 Element 4211397 ×2
  • 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 8 Light Bluish Gray Part 3035 Element 4211407 ×1
  • Plate Special 1 x 1 with Clip Light, Bar Hole [Thick Ring] Light Bluish Gray Part 4081b Element 6281998 or 4632575 ×3
  • Plate Special 1 x 2 with 1 Stud without Groove (Jumper) Light Bluish Gray Part 3794a ×1
  • Plate Special 1 x 4 with Wheels Holder Light Bluish Gray Part 2926 Element 6338418 or 6317433 ×4
  • Plate Special 3 x 2 with Rounded End, Hole Light Bluish Gray Part 3176 Element 4211419 ×2
  • Steering Stand 1 x 2 with Black Steering Wheel Light Bluish Gray Part 3829c01 Element 4226995 ×1
  • String Reel 2 x 2 Winch Drum Light Bluish Gray Part 2585 Element 4211370 ×2
  • Technic Axle 1.5 with Perpendicular Axle Connector (Technic Pole Reverser Handle) Light Bluish Gray Part 6553 Element 4211536 ×2
  • Technic Axle and Pin Connector Perpendicular Light Bluish Gray Part 6536 Element 6261375 or 4211775 ×2
  • Technic Pin 1/2 without Friction Ridges Light Bluish Gray Part 4274 Element 4274194 or 4211483 ×2
  • Wedge Plate 6 x 6 Cut Corner Light Bluish Gray Part 6106 Element 4211520 ×2
  • Wheel 11 x 12 with Hole Notched for Wheels Holder Pin Light Bluish Gray Part 6014b Element 4211764 ×4

White 21 pieces

  • Bar 1 x 4 x 2 with Studs White Part 4083 Element 408301 ×5
  • Technic Pin Connector Round [No Slot] White Part 75535 Element 75535 ×10
  • Tile 1 x 2 with Digital Clock Print - '12:01' or '10:21' White Part 3069bpr0025 Element 81268 ×2
  • Tile Special 2 x 2 with Bar and Stud White Part 30256 Element 4117032 ×4

Yellow 19 pieces

  • Bar 1 x 6 [Closed Studs] Yellow Part 6140 Element 4597281 or 4212408 ×2
  • Brick 1 x 4 Yellow Part 3010 Element 301024 ×2
  • Brick Special 1 x 1 with Headlight Yellow Part 4070 Element 407024 ×2
  • Brick Special 1 x 2 with Vertical Clip [Thick U Clip] Yellow Part 30237a ×2
  • Brick Wedged, Curved Triple 4 x 4 x 2/3, 2 Studs Yellow Part 45677 Element 6492532 or 4193073 ×1
  • Door 1 x 3 x 1 Left Yellow Part 3822 Element 6587460 or 4190511 ×1
  • Door 1 x 3 x 1 Right Yellow Part 3821 Element 6587459 or 4537985 ×1
  • Equipment Cup / Mug [Plain] Yellow Part 3899 Element 389924 ×1
  • Hinge Brick 1 x 2 Base Yellow Part 3937 Element 393724 ×4
  • Plate 2 x 2 Yellow Part 3022 Element 4613978 or 302224 ×2
  • Tile 1 x 1 with Black '1' Print Yellow Part 3070bpr0026 Element 81072 ×1

Trans-Brown 7 pieces

  • Brick 1 x 2 x 5 without Side Supports Trans-Brown Part 46212 Element 6258834 or 6030737 ×1
  • Brick Wedged, Curved 8 x 3 x 2 Open Left Trans-Brown Part 41750 Element 6030735 or 4520020 ×1
  • Brick Wedged, Curved 8 x 3 x 2 Open Right Trans-Brown Part 41749 Element 6030736 or 4520019 ×1
  • Windscreen 2 x 4 x 2 Trans-Brown Part 3823 Element 6253684 or 4167504 ×1
  • Windscreen 3 x 4 x 4 Inverted Trans-Brown Part 4872 Element 4195864 ×3

Trans-Yellow 7 pieces

  • Brick Curved 1 x 4 with Sloped Ends and Two Top Studs Trans-Yellow Part 40996 Element 4194192 ×1
  • Plate 1 x 2 Trans-Yellow Part 3023 Element 6514002 or 6240211 ×2
  • Plate Round 1 x 1 with Solid Stud Trans-Yellow Part 6141 Element 6514056 or 6240216 ×4

Green 3 pieces

  • Baseplate 16 x 32 Green Part 3857 Element 4219615 or 274828 ×1
  • Baseplate 32 x 32 with 6-Stud Straight with Dark Gray Road, Yellow Dashed Lines and Storm Drains Print Green Part 44336pr0001 Element 4219946 or 4179968 ×1
  • Plant, Pine Tree, Large, 4 x 4 x 6 2/3 Green Part 3471 Element 6248463 or 347128 ×1

Trans-Green 3 pieces

  • Plate Round 1 x 1 with Solid Stud Trans-Green Part 6141 Element 6514057 or 6240221 ×3

Trans-Red 3 pieces

  • Plate Round 1 x 1 with Solid Stud Trans-Red Part 6141 Element 6514051 or 6208450 ×3

Brown 1 piece

  • Equipment Brush / Push Broom Brown Part 3836 Element 383625 ×1

[No Color/Any Color] 1 piece

  • Sticker Sheet for Set 10128-1 [No Color/Any Color] Part 47522 Element 4207712 ×1

Minifigures 2 figures

  • Conductor - Dark Blue Jacket, Dark Blue Legs, Dark Red Hat, Glasses Minifigure, checked as a whole figure ×1
  • Worker - Orange Safety Vest, Blue Legs, Red Helmet, Stubble Beard 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.