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.

Spy-Bot

Checking

1498 Spy-Bot

63 pieces in 32 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

Hinges, Arms and Turntables 12 pieces

  • Hinge Brick 1 x 2 Base Black Part 3937 Element 393726 ×2
  • Hinge Brick 1 x 2 Top Plate Thin Black Part 3938 Element 393826 ×2
  • Turntable 2 x 2 Plate, Base Black Part 3680 Element 368076 or 368026 ×1
  • Hinge Plate 1 x 2 with 3 Fingers [Hollow Studs] Light Gray Part 4275b Element 427502 ×2
  • Hinge Plate 1 x 4 Swivel Top / Base - Solid Clip [Complete Assembly] Light Gray Part 73983 Element 74066 ×2
  • Hinge Tile 1 x 2 1/2 with 2 Fingers on Top Light Gray Part 4531 Element 4256463 or 4163772 ×2
  • Turntable 2 x 2 Plate - Top Light Gray Part 3679 Element 367952 or 367902 ×1

Bricks Sloped 8 pieces

  • Brick Sloped 45° 2 x 1 with Bottom Pin Light Gray Part 3040b Element 4121933 or 304002 ×6
  • Brick Sloped 45° 2 x 2 with Computer Panel Print Light Gray Part 3039pr9994 ×1
  • Brick Sloped 45° 2 x 2 with Computer Screen Print Light Gray Part 3039pr0026 ×1

Plates 8 pieces

  • Plate 1 x 3 Black Part 3623 Element 362326 ×2
  • Plate 1 x 2 Light Gray Part 3023 Element 302302 ×2
  • Plate 2 x 2 Light Gray Part 3022 Element 302202 ×2
  • Plate 2 x 3 Light Gray Part 3021 Element 302102 ×1
  • Plate 2 x 4 Light Gray Part 3020 Element 302002 ×1

Plates Special 8 pieces

  • Plate Special 1 x 1 with Clip Vertical [Thin U Clip] Black Part 4085b ×3
  • Plate Special 1 x 2 with Bar Up [Horizontal Arm 6mm] Black Part 4623 Element 4597267 or 462326 ×1
  • Plate Special 1 x 1 with Clip Vertical [Thin U Clip] Light Gray Part 4085b ×2
  • Plate Special 1 x 2 with Handles [Flat Ends / Low Attachment] Light Gray Part 3839b Element 383902 ×1
  • Plate Special 1 x 4 Offset with Bar Holes Light Gray Part 4590 Element 4248161 or 4114067 ×1

Bricks Special 7 pieces

  • Brick Special 1 x 2 x 2/3 with Studs on Sides Black Part 4595 Element 6681661 or 4523339 ×1
  • Brick Special 1 x 1 with Headlight Light Gray Part 4070 Element 407002 ×6

Bricks Round and Cones 6 pieces

  • Brick Round 2 x 2 with Axle Hole Black Part 3941 Element 614376 or 614326 ×2
  • Cone 1 x 1 [No Top Groove] Black Part 4589 Element 4518219 or 458926 ×4

Plates Round Curved and Dishes 3 pieces

  • Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) Light Gray Part 4032a Element 403202 ×1
  • Plate Round 1 x 1 with Solid Stud Trans-Green Part 6141 Element 6514057 or 6240221 ×2

Tiles 3 pieces

  • Tile 1 x 2 with Space Computer Print Light Gray Part 3069bpr0039 Element 4163557 ×3

Bars, Ladders and Fences 2 pieces

  • Lever Small Base with Black Lever Black Part 298c02 Element 73587 ×2

Minifig Shields, Weapons, & Tools 2 pieces

  • Tool Screwdriver and Spanner / Wrench Black Part 4006 Element 6034000 or 4569095 ×1
  • Weapon Gun / Torch (Space) [with Grooves] Black Part 3959 Element 4254942 or 395976 ×1

Technic Bricks 2 pieces

  • Technic Brick 1 x 2 [1 Pin Hole] Light Gray Part 3700 Element 370002 ×2

Technic Pins 2 pieces

  • Technic Axle Pin without Friction Ridges Lengthwise Light Gray Part 3749 Element 4184168 or 4154179 ×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.