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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.

Lava Monster

Checking

TRUNEXOMONSTER Lava Monster

58 pieces in 29 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

Trans-Orange 15 pieces

  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Trans-Orange Part 54200 Element 6245265 or 4244369 ×2
  • Creature Body Part, Barb Large (Claw, Talon) with Clip Trans-Orange Part 16770 Element 6070057 ×6
  • Plate 1 x 2 Trans-Orange Part 3023 Element 6514005 or 6240217 ×3
  • Plate Round 1 x 1 with Solid Stud Trans-Orange Part 6141 Element 6514059 or 6240227 ×2
  • Tile 1 x 2 with Groove Trans-Orange Part 3069b Element 6514225 or 6251306 ×2

Dark Bluish Gray 13 pieces

  • Plate 2 x 2 Dark Bluish Gray Part 3022 Element 4211094 ×2
  • Plate Special 1 x 2 [Side Handle Closed Ends] Dark Bluish Gray Part 48336 Element 6146321 ×2
  • Plate Special 1 x 2 with 5.9mm Centre Side Towball Dark Bluish Gray Part 14417 Element 6414560 or 6338160 ×2
  • Plate Special 1 x 2 with Handle on End [Closed Ends] Dark Bluish Gray Part 60478 Element 4521187 ×2
  • Plate Special 2 x 2 with 1 Pin Hole [Complete Underside Rib] Dark Bluish Gray Part 10247 Element 6047417 ×2
  • Technic Brick Special 2 x 2 with 10.2mm Balls with Holes and Axle Hole Dark Bluish Gray Part 17114 Element 6065816 ×1
  • Technic Brick Special 2 x 2 with Ball Socket Wide and Axle Hole Dark Bluish Gray Part 92013 Element 4619760 ×2

Light Bluish Gray 12 pieces

  • Bracket 1 x 2 - 2 x 2 Inverted Light Bluish Gray Part 99207 Element 4654580 ×2
  • Brick Round 2 x 2 [Grill] Light Bluish Gray Part 92947 Element 4650645 or 4610816 ×2
  • Plate Special 1 x 2 5.9mm Centre Side Towball Socket Light Bluish Gray Part 14704 Element 6414561 or 6338165 ×2
  • Technic Axle 3 Light Bluish Gray Part 4519 Element 4211815 ×2
  • Technic Axle Connector with Axle Hole Light Bluish Gray Part 32039 Element 4211553 ×1
  • Technic Axle Towball Light Bluish Gray Part 2736 Element 6443149 or 4211375 ×1
  • Technic Axle and Pin Connector Angled #2 - 180° Light Bluish Gray Part 32034 Element 6346487 or 4211567 ×1
  • Technic Bush Light Bluish Gray Part 3713 Element 6275844 or 6271817 ×1

Black 8 pieces

  • Animal Body Part / Plant, Tail / Claw / Horn / Branch / Tentacle, End Section Black Part 40379 Element 6055070 or 4508453 ×2
  • Bracket 1 x 2 - 2 x 2 Black Part 44728 Element 6117973 or 6048855 ×2
  • Brick 2 x 2 Black Part 3003 Element 4103587 or 300326 ×1
  • Plate Special 1 x 1 with Clip Light, Bar Hole [Thick Ring] Black Part 4081b Element 6281993 or 4632571 ×2
  • Technic Pin with Friction Ridges Lengthwise and Center Slots Black Part 2780 Element 4121715 or 278026 ×1

Dark Red 6 pieces

  • Brick Curved 2 x 2 x 2/3 Dark Red Part 15068 Element 6107758 ×6

Red 3 pieces

  • Brick Wedged, Curved 2 x 3 x 2/3 Two Studs, Wing End Red Part 47456 Element 6143425 or 4614777 ×1
  • Plate 2 x 3 Red Part 3021 Element 302121 ×2

White 1 piece

  • Plate Special 1 x 2 with Three Teeth [Tri-Tooth] White Part 15208 Element 6046381 ×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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