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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.

Spider-Man's Train Rescue

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4855 Spider-Man's Train Rescue

261 pieces in 84 part and color combinations, plus 4 minifigures.

LEGO counts 294 pieces. This inventory comes from a separate parts catalog and lists 298, including the 37 parts inside the minifigures; 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.

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 69 pieces

  • Bar 1L with Clip Dark Bluish Gray Part 48729a Element 4222196 1 spare in the box ×2
  • Brick 1 x 2 Dark Bluish Gray Part 3004 Element 4211088 ×7
  • Brick Special 1 x 1 with Headlight Dark Bluish Gray Part 4070 Element 4211044 ×8
  • Brick Special 1 x 2 with Grille Dark Bluish Gray Part 2877 Element 4210636 ×10
  • Brick Special 2 x 2 with 2 Pins and Axle Hole Dark Bluish Gray Part 30000 Element 6405646 or 4211024 ×2
  • Equipment Radio [Extended Handle, Compact Speaker Grille] Dark Bluish Gray Part 3962b Element 4211116 ×1
  • Plate 1 x 2 Dark Bluish Gray Part 3023 Element 4211063 Also in Black ×3
  • Plate 2 x 12 Dark Bluish Gray Part 2445 Element 4211067 ×1
  • Plate 2 x 16 Dark Bluish Gray Part 4282 Element 4210796 ×1
  • Plate 2 x 4 Dark Bluish Gray Part 3020 Element 4211065 ×2
  • Plate 2 x 6 Dark Bluish Gray Part 3795 Element 4211002 ×4
  • Plate 4 x 4 Dark Bluish Gray Part 3031 Element 4243831 or 4211089 ×2
  • Plate 6 x 6 Dark Bluish Gray Part 3958 Element 4211134 ×3
  • Plate Round Corner 3 x 3 Dark Bluish Gray Part 30357 Element 4212075 ×4
  • Plate Special 1 x 2 Side Handle [Free Ends] Dark Bluish Gray Part 2540 Element 4210660 ×4
  • Technic Beam 1 x 9 Bent (7 - 3) Thick Dark Bluish Gray Part 32271 Element 6276837 or 4281516 ×2
  • Tile 1 x 4 with Groove Dark Bluish Gray Part 2431 Element 4211053 ×2
  • Tile 1 x 4 with Train Controls Print Dark Bluish Gray Part 2431pr0028 Element 6020825 or 4215740 ×1
  • Tile 1 x 8 with Groove Dark Bluish Gray Part 4162 Element 5210651 or 4211008 ×4
  • Window 1 x 2 x 2 Plane, Solid Studs Dark Bluish Gray Part 2377 Element 4224587 ×2
  • Window 1 x 2 x 3 Train Dark Bluish Gray Part 4035 Element 4224590 ×4

Light Bluish Gray 59 pieces

  • Bracket 1 x 2 - 1 x 4 [Square Corners] Light Bluish Gray Part 2436 Element 4282740 or 4211358 ×3
  • Brick 1 x 6 Light Bluish Gray Part 3009 Element 4211393 ×2
  • Brick Sloped 45° 6 x 4 Double [aka Train Roof] Light Bluish Gray Part 32083 Element 6255824 or 4295318 ×4
  • Brick Special 1 x 1 with 3 Speakers / Loudspeakers / Space Positioning Rockets Light Bluish Gray Part 3963 Element 4223363 ×2
  • Plate 1 x 2 Light Bluish Gray Part 3023 Element 4211398 or 3023194 ×4
  • Plate 1 x 6 Light Bluish Gray Part 3666 Element 4211438 ×2
  • Plate 2 x 2 Corner Light Bluish Gray Part 2420 Element 4211353 ×4
  • Plate 2 x 6 Light Bluish Gray Part 3795 Element 4211452 or 3795194 ×1
  • Plate 2 x 8 Light Bluish Gray Part 3034 Element 4211406 ×1
  • Plate 6 x 16 Light Bluish Gray Part 3027 Element 4211733 ×1
  • Plate Special 1 x 1 with Clip Vertical [Thick U Clip] Light Bluish Gray Part 4085c Element 4211479 ×8
  • Technic Pin without Friction Ridges Lengthwise Light Bluish Gray Part 3673 Element 4211807 or 3673194 1 spare in the box ×4
  • Tile 1 x 2 with Groove Light Bluish Gray Part 3069b Element 4211414 ×2
  • Tile Round 2 x 2 with Fine Mesh Grill Print Light Bluish Gray Part 4150pr0022 Element 4221881 ×3
  • Vehicle Track, Train, Plain Rail Straight (no slots, no notches on end) Light Bluish Gray Part 3228c Element 6333276 or 6094067 ×6
  • Window 1 x 2 x 2 Plane, Solid Studs Light Bluish Gray Part 2377 Element 4222885 ×10
  • Window 1 x 4 x 2 Plane, Solid Studs Light Bluish Gray Part 4863 Element 4224726 ×2

Black 46 pieces

  • Bar 1 x 8 x 2 Black Part 2486 Element 6226740 or 6119243 ×2
  • Bar 4L (Lightsaber Blade / Wand) Black Part 30374 Element 6116604 or 4140303 ×4
  • Brick 1 x 16 Black Part 2465 Element 246576 or 246526 ×1
  • Brick 1 x 8 Black Part 3008 Element 300826 ×4
  • Plate 1 x 2 Black Part 3023 Element 302326 Also in Dark Bluish Gray ×2
  • Plate Special 1 x 4 with Wheels Holder Black Part 2926 Element 6338416 or 292626 ×2
  • Support 2 x 2 x 10 Girder Triangular Vertical - Type 1 - Solid Top, 3 Posts Black Part 30517 Element 4289615 or 4228192 ×2
  • Technic Beam 1 x 3 Thick Black Part 32523 Element 4142822 or 3252326 ×4
  • Technic Beam 1 x 5 Thick Black Part 32316 Element 4142135 or 4140429 ×2
  • Technic Pin with Friction Ridges Lengthwise and Center Slots Black Part 2780 Element 4121715 or 278026 1 spare in the box ×6
  • Technic Pin with Friction Ridges Lengthwise and Towball Black Part 6628 Element 4184169 or 662826 ×4
  • Tile 1 x 2 with Arrow Short Yellow without Black Border Print Black Part 3069bpr0038 Element 82057 ×1
  • Tile Special 1 x 2 Grille with Bottom Groove Black Part 2412b Element 241226 ×8
  • Train Wheel Small, hole notched for wheels holder pin Black Part 50254 Element 4295370 or 4227006 ×4

Blue 23 pieces

  • Brick 2 x 2 Blue Part 3003 Element 4103589 or 300373 ×1
  • Brick 2 x 4 Blue Part 3001 Element 300173 or 300123 ×2
  • Brick Sloped 45° 2 x 1 with Bottom Pin Blue Part 3040b Element 4121936 or 304023 ×2
  • Brick Sloped 45° 2 x 2 Blue Part 3039 Element 303923 ×2
  • Brick Sloped 45° 2 x 4 Blue Part 3037 Element 4107437 or 303723 ×1
  • Plate 2 x 2 Blue Part 3022 Element 4613973 or 302223 ×2
  • Plate 2 x 3 Blue Part 3021 Element 302123 ×1
  • Plate Special 1 x 2 Side Handle [Free Ends] Blue Part 2540 Element 4140586 or 254023 ×6
  • Plate Special 1 x 2 with 1 Stud without Groove (Jumper) Blue Part 3794a ×4
  • Technic Brick 1 x 2 [1 Pin Hole] Blue Part 3700 Element 370023 ×2

Trans-Brown 20 pieces

  • Glass for Train Window 1 x 2 x 3 Trans-Brown Part 4036 Element 4224612 ×4
  • Glass for Window 1 x 2 x 2 Plane Trans-Brown Part 4862 Element 4188565 or 4174435 ×16

Trans-Red 12 pieces

  • Cone 1 x 1 [No Top Groove] Trans-Red Part 4589 Element 618841 ×4
  • Insect, Spider Trans-Red Part 30238 Element 4204863 ×1
  • Plate Round 1 x 1 with Solid Stud Trans-Red Part 6141 Element 6514051 or 6208450 1 spare in the box ×6
  • Tile 1 x 1 with Groove Trans-Red Part 3070b Element 6581817 or 6254248 1 spare in the box ×1

White 12 pieces

  • Equipment Signal Paddle White Part 3900 Element 390001 ×1
  • Insect Accessory, Spider Web White Part 30240 Element 4295038 or 4164212 ×5
  • Plate Special 1 x 1 with Clip Horizontal [Thick U Clip] White Part 6019 Element 601951 or 601901 ×2
  • Rubber Belt Small [15mm ID] [Round Cross Section] White Part 85543 Element 6699001 or 4580665 ×2
  • String with End Studs and Minifig Grips 21L White Part 14210 Element 6096959 or 6037448 ×1
  • Tile 2 x 2 with Newspaper Daily Bugle Print White Part 3068bpr0084 ×1

Red 8 pieces

  • Brick 1 x 4 Red Part 3010 Element 301021 ×1
  • Plate 1 x 2 Red Part 3023 Element 302321 ×2
  • Plate 2 x 2 Red Part 3022 Element 4613974 or 302221 ×2
  • Seat / Chair 2 x 2 Red Part 4079 ×3

Trans-Green 4 pieces

  • Plate Round 1 x 1 with Solid Stud Trans-Green Part 6141 Element 6514057 or 6240221 1 spare in the box ×3
  • Tile 1 x 1 with Groove Trans-Green Part 3070b Element 6581818 or 6254249 1 spare in the box ×1

Trans-Yellow 4 pieces

  • Plate Round 1 x 1 with Solid Stud Trans-Yellow Part 6141 Element 6514056 or 6240216 1 spare in the box ×4

Yellow 2 pieces

  • Road Sign Clip-on 2 x 2 Square Yellow Part 30258 Element 4116818 ×2

Trans-Dark Blue 1 piece

  • Insect, Spider Trans-Dark Blue Part 30238 Element 4206907 or 4120134 ×1

[No Color/Any Color] 1 piece

  • Sticker Sheet for Set 4855-1 [No Color/Any Color] Part 49196 Element 4222889 ×1

Minifigures 4 figures

  • Spider-Man with Dark Blue Arms and Legs Minifigure, checked as a whole figure ×1
  • Subway Train Conductor Minifigure, checked as a whole figure ×1
  • J. Jonah Jameson, Black Suit, Black Hair Minifigure, checked as a whole figure ×1
  • Dr. Octopus / Doc Ock with Green Glasses and Sand Green Suit with Clenched Teeth 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.

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