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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.

Become My City Hero

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40302 Become My City Hero

81 pieces in 43 part and color combinations, plus 1 minifigure.

The official piece count includes the 4 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

Dark Bluish Gray 24 pieces

  • Bar 1L with Clip [Cut Edges and One Side Hole] [Gap in Clip] Dark Bluish Gray Part 48729b Element 6278155 or 4579234 1 spare in the box ×1
  • Brick 1 x 3 Dark Bluish Gray Part 3622 Element 4211104 ×2
  • Brick 2 x 2 Corner Dark Bluish Gray Part 2357 Element 4211109 ×2
  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Dark Bluish Gray Part 54200 Element 4504378 or 4244373 1 spare in the box ×3
  • Brick Sloped 30° 1 x 2 x 2/3 Dark Bluish Gray Part 85984 Element 4567887 ×1
  • Brick Sloped 33° 3 x 4 Dark Bluish Gray Part 3297 Element 4261715 ×1
  • Brick Sloped 45° 2 x 1 with Bottom Pin Dark Bluish Gray Part 3040b Element 4211135 ×3
  • Brick Sloped 65° 2 x 1 x 2 Dark Bluish Gray Part 60481 Element 6013658 ×1
  • Panel 1 x 2 x 1 [Rounded Corners] Dark Bluish Gray Part 4865b Element 6146225 ×1
  • Plate 2 x 2 Corner Dark Bluish Gray Part 2420 Element 4210635 ×1
  • Plate 4 x 4 Dark Bluish Gray Part 3031 Element 4243831 or 4211089 ×2
  • Plate Special 1 x 1 with Clip Horizontal [Thick Open O Clip] Dark Bluish Gray Part 61252 Element 6360111 or 4579354 ×1
  • Plate Special 1 x 1 with Clip Light, Bar Hole [Thick Ring] Dark Bluish Gray Part 4081b Element 6281996 or 4632574 ×1
  • Technic Brick 1 x 1 with Pin Hole Dark Bluish Gray Part 6541 Element 4210639 ×1
  • Tile 1 x 3 Dark Bluish Gray Part 63864 Element 4568734 ×2
  • Wedge Plate 4 x 2 Right Dark Bluish Gray Part 41769 Element 4210782 ×1

Reddish Brown 21 pieces

  • Plate 1 x 1 Reddish Brown Part 3024 Element 4221744 1 spare in the box ×2
  • Plate 1 x 3 Reddish Brown Part 3623 Element 4211152 ×4
  • Plate 2 x 4 Reddish Brown Part 3020 Element 4211186 ×2
  • Plate 2 x 6 Reddish Brown Part 3795 Element 4211247 ×1
  • Plate Special 1 x 2 with Pin Hole Underneath Reddish Brown Part 18677 Element 6192310 or 6178035 ×4
  • Technic Axle Connector Smooth [with x Hole + Orientation] Reddish Brown Part 59443 Element 4531751 ×8

Light Bluish Gray 8 pieces

  • Bar 6L with Stop Ring Light Bluish Gray Part 63965 Element 6170418 or 6081975 ×1
  • Plate 1 x 1 Light Bluish Gray Part 3024 Element 4211399 1 spare in the box ×2
  • Plate 1 x 2 Light Bluish Gray Part 3023 Element 4211398 or 3023194 ×2
  • Plate 1 x 4 Light Bluish Gray Part 3710 Element 4211445 ×1
  • Plate Special 1 x 2, Top Clip [Split] Light Bluish Gray Part 92280 Element 4598526 ×1
  • Technic Pin 1/2 without Friction Ridges Light Bluish Gray Part 4274 Element 4274194 or 4211483 1 spare in the box ×1

Green 5 pieces

  • Plant, Leaves 4 x 3 Green Part 2423 Element 6268814 or 242328 ×3
  • Tile 1 x 2 with '100' Banknote Print Green Part 3069bpr0100 Element 4295260 or 82317 ×2

Red 5 pieces

  • Animal, Snake, Small Red Part 30115 Element 6286432 or 4114052 ×1
  • Technic Axle 2 Notched Red Part 32062 Element 4142865 ×4

Blue 4 pieces

  • Technic Axle Pin with Friction Ridges Lengthwise Blue Part 43093 Element 4309323 or 4206482 ×4

Dark Tan 4 pieces

  • Brick Curved 2 x 1 No Studs [1/2 Bow] Dark Tan Part 11477 Element 6101254 ×1
  • Minifig Neckwear Backpack [Open] Dark Tan Part 92590 Element 4598955 ×1
  • Plate 1 x 2 Dark Tan Part 3023 Element 4528604 or 4497082 Also in Tan ×2

Black 3 pieces

  • Equipment Magnifying Glass with Thick Frame, Solid Handle, Trans-Clear Lens Pattern Black Part 10830pat0001 Element 6012466 ×1
  • Plate Round 2 x 2 with Rounded Bottom [Boat Stud] Black Part 2654 Element 4617551 or 4278359 ×2

Pearl Gold 2 pieces

  • Tile Special 1 x 2 with Sloped Walls AKA Money / Gold Bar [Ingot] Pearl Gold Part 99563 Element 6207933 or 4651407 ×2

Tan 2 pieces

  • Plate 1 x 2 Tan Part 3023 Element 4113917 or 302305 Also in Dark Tan ×2

Bright Green 1 piece

  • Plant, Carrot Top Bright Green Part 33183 Element 4119479 1 spare in the box ×1

Medium Nougat 1 piece

  • Animal, Dog, Alsatian / German Shepherd (Police Dog) with Black Eyes and Forehead Print Medium Nougat Part 92586pr0001 Element 4614195 ×1

[No Color/Any Color] 1 piece

  • Playmat, Mountain Police, River [No Color/Any Color] Part 6226320 ×1

Minifigures 1 figure

  • Policeman, Sand Blue Jacket with Badge, Rope, and Straps, Tan Campaign Hat 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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