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.

Ambulance

Checking

373-2 Ambulance

65 pieces in 25 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

White 49 pieces

  • Brick 1 x 1 White Part 3005 Element 6552096 or 6548258 ×2
  • Brick 1 x 2 White Part 3004 Element 6548257 or 4613964 ×7
  • Brick 1 x 4 White Part 3010 Element 6550135 or 301001 Also in Trans-Clear ×5
  • Brick 1 x 6 with Black Car Grill Print White Part 3009apr0004 ×1
  • Brick 1 x 8 White Part 3008 Element 6550134 or 300801 ×4
  • Brick 1 x 8 with Red Cross Lower Half Print White Part 3008pr0003 ×2
  • Brick 1 x 8 with Red Cross Upper Half Print White Part 3008pr0002 ×2
  • Brick 2 x 4 without Cross Supports White Part 3001a ×1
  • Brick Round Corner 2 x 2 Macaroni with Stud Notch White Part 3063b Element 4501579 or 306301 ×2
  • Door 1 x 3 x 4 Left with Window and Red Cross Print, Lower White Part 825pr0001 ×1
  • Door 1 x 3 x 4 Left with Window and Red Cross Print, Upper White Part 825pr0002 ×1
  • Door 1 x 3 x 4 Right with Window and Red Cross Print, Lower White Part 826pr0001 ×1
  • Door 1 x 3 x 4 Right with Window and Red Cross Print, Upper White Part 826pr0002 ×1
  • Plate 1 x 2 White Part 3023 Element 6552100 or 6548261 ×8
  • Plate 2 x 3 White Part 3021 Element 6550136 or 302101 ×8
  • Plate 2 x 4 White Part 3020 Element 6552098 or 302001 ×1
  • Plate 6 x 12 White Part 3028 Element 4120020 or 302801 ×1
  • Vehicle Base 6 x 17 with Hole White Part 710 ×1

Black 7 pieces

  • Brick 1 x 2 Black Part 3004 Element 300426 ×1
  • Brick Special 2 x 4 with Wheel Holder Old, Clear Bottom, Red Inside Black Part 7049bc01 ×2
  • Tyre Smooth Old Style - Small Black Part 132a ×4

Red 5 pieces

  • Brick 1 x 4 Red Part 3010 Element 301021 ×1
  • Wheel Spoked with Stud Red Part 242c01 ×4

Trans-Clear 3 pieces

  • Brick 1 x 4 Trans-Clear Part 3010 Element 4256588 or 4227529 Also in White ×3

Blue 1 piece

  • Brick Round 1 x 1 Solid Stud Blue Part 3062a ×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.