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.

Mash Up Vehicle

Checking

6557632 Mash Up Vehicle

54 pieces in 37 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.

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Piece checklist

Red 12 pieces

  • Brick Curved 2 x 2 x 2/3 Two Studs and Curved Slope End Red Part 47457 Element 4220515 ×1
  • Brick Round 1 x 1 Open Stud Red Part 3062b Element 306221 ×2
  • Brick Special 1 x 1 with Handle Red Part 2921 Element 6170565 or 292121 ×2
  • Plate 2 x 3 Red Part 3021 Element 302121 ×1
  • Plate Round 1 x 1 with Solid Stud Red Part 6141 Element 614121 ×5
  • Technic Axle 2 Notched Red Part 32062 Element 4142865 ×1

Yellow 12 pieces

  • Brick 2 x 3 Yellow Part 3002 Element 300224 ×1
  • Brick Curved 1 x 1 Yellow Part 7126 Element 6532053 ×1
  • Brick Curved 1 x 1 x 2/3 Double Curved Top, No Studs Yellow Part 49307 Element 6394524 ×2
  • Brick Curved 4 x 1 No Studs [Stud Holder with Symmetric Ridges] Yellow Part 11153 Element 6024715 ×1
  • Plate 1 x 2 Yellow Part 3023 Element 302324 ×2
  • Plate 2 x 2 Yellow Part 3022 Element 4613978 or 302224 ×1
  • Plate 2 x 3 Yellow Part 3021 Element 302124 ×1
  • Plate Special 1 x 1 with Clip Horizontal [Thick Open O Clip] Yellow Part 61252 Element 6347294 or 4540040 ×2
  • Technic Brick 1 x 2 with Axle Hole Type 1 [+ Opening] and Bottom Pin Yellow Part 32064a Element 6206240 or 4233484 ×1

Black 11 pieces

  • Bracket 1 x 1 - 1 x 1 Inverted Black Part 36840 Element 6234695 ×2
  • Brick Curved Inverted 2 x 1 Black Part 24201 Element 6147050 ×1
  • Plate 1 x 3 Black Part 3623 Element 362326 ×1
  • Plate Special 1 x 1 with Handle on 2 Ends Black Part 78257 Element 6398391 ×1
  • Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper) Black Part 15573 Element 6092585 ×2
  • Propeller 3 Blade 9 Diameter with Pin Hole, Recessed Center Black Part 15790 Element 6055123 ×1
  • Technic Brick 1 x 1 with Axle Hole Black Part 73230 Element 6344819 ×1
  • Tile Special 1 x 2 Grille with Bottom Groove Black Part 2412b Element 241226 ×1
  • Wheel Skateboard / Trolley Black Part 2496 Element 6223673 or 4569104 ×1

Light Bluish Gray 7 pieces

  • Brick Wedged, Curved 2 x 2 with Stud Notches Light Bluish Gray Part 66956 Element 6305049 ×1
  • Plate Special 1 x 1 with Clip Light, Bar Hole [Thick Ring] Light Bluish Gray Part 4081b Element 6281998 or 4632575 ×4
  • Tile Special 2 x 2 with Top Pin [Squared Holes] Light Bluish Gray Part 49153 Element 6313188 ×1
  • Wheel Holder, Plate, Round 2 x 2 Thin with Clips Light Bluish Gray Part 2655 Element 6152344 or 4211373 ×1

Dark Blue 4 pieces

  • Bracket 1 x 2 - 2 x 2 Inverted Dark Blue Part 99207 Element 6554215 or 6224472 ×2
  • Tile 45° Cut 2 x 2 (Triangle) Dark Blue Part 35787 Element 6554208 or 6214808 ×2

Dark Bluish Gray 4 pieces

  • Bracket 1 x 2 - 1 x 2 Inverted Dark Bluish Gray Part 99780 Element 6000606 ×1
  • Plate 2 x 2 Dark Bluish Gray Part 3022 Element 4211094 ×1
  • Plate 2 x 4 Dark Bluish Gray Part 3020 Element 4211065 ×1
  • Plate 2 x 6 Dark Bluish Gray Part 3795 Element 4211002 ×1

Trans-Clear 2 pieces

  • Brick 1 x 2 without Bottom Tube Trans-Clear Part 3065 Element 6514262 or 6244904 ×1
  • Brick 2 x 2 without Inside Ridges Trans-Clear Part 6223 Element 6514093 or 6239418 ×1

White 2 pieces

  • Tile 45° Cut 2 x 2 (Triangle) White Part 35787 Element 6550176 or 6217875 ×2

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.