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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.

Super Robot

Checking

31124 Super Robot

159 pieces in 52 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

Plates Special 52 pieces

  • Bracket 1 x 1 - 1 x 1 Black Part 36841 Element 6299338 ×2
  • Bracket 1 x 2 - 2 x 2 Black Part 44728 Element 6117973 or 6048855 ×2
  • Plate Special 1 x 2 Side Handle [Free Ends] Black Part 2540 Element 4140588 or 254026 ×2
  • Plate Special 1 x 2 with Handle on End [Closed Ends] Black Part 60478 Element 4515368 ×2
  • Plate Special 1 x 2 with Handles on Ends Dark Azure Part 18649 Element 6288196 ×1
  • Plate Special 1 x 1 with Clip Horizontal [Thick Open O Clip] Dark Bluish Gray Part 61252 Element 6360111 or 4579354 ×4
  • Plate Special 1 x 2 with 5.9mm Centre Side Towball Dark Bluish Gray Part 14417 Element 6414560 or 6338160 ×5
  • Plate Special 1 x 2 with Door Rail Dark Bluish Gray Part 32028 Element 4543086 or 4541289 ×2
  • Plate Special 1 x 2 with End Towball Dark Bluish Gray Part 22890 Element 6370802 or 6338168 ×4
  • Bracket 1 x 2 - 2 x 2 Inverted Light Bluish Gray Part 99207 Element 4654580 ×1
  • Plate Special 1 x 2 5.9mm Centre Side Towball Socket Light Bluish Gray Part 14704 Element 6414561 or 6338165 ×5
  • Plate Special 1 x 2 5.9mm Towball Socket Light Bluish Gray Part 14418 Element 6414556 or 6338163 ×4
  • Plate Special 1 x 2 with Handles [Flat Ends / Low Attachment] Light Bluish Gray Part 3839b Element 4211464 ×2
  • Bracket 1 x 2 - 1 x 2 Inverted Yellow Part 99780 Element 6057458 ×8
  • Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper) Yellow Part 15573 Element 6092583 ×8

Plates 29 pieces

  • Plate 2 x 4 Black Part 3020 Element 302026 ×6
  • Plate 1 x 2 Dark Azure Part 3023 Element 4653988 ×4
  • Plate 2 x 3 Dark Bluish Gray Part 3021 Element 4211043 ×6
  • Plate 2 x 2 Light Bluish Gray Part 3022 Element 4211397 ×4
  • Plate 2 x 6 Light Bluish Gray Part 3795 Element 4211452 or 3795194 ×3
  • Plate 1 x 4 Yellow Part 3710 Element 371024 ×2
  • Plate 2 x 2 Yellow Part 3022 Element 4613978 or 302224 ×4

Bricks Sloped 28 pieces

  • Brick Sloped 30° 1 x 2 x 2/3 Black Part 85984 Element 4548180 ×8
  • Brick Sloped 65° 2 x 2 x 2 with Bottom Tube Black Part 3678b Element 4273703 or 4256421 ×2
  • Brick Sloped Inverted 45° 2 x 2 [Round Hollow Bottom Pin, Bar-sized Stud Holes] Black Part 76959 Element 6425507 ×2
  • Brick Sloped 30° 1 x 2 x 2/3 Dark Azure Part 85984 Element 6151663 ×2
  • Brick Sloped 30° 1 x 2 x 2/3 Light Bluish Gray Part 85984 Element 4568637 ×4
  • Brick Sloped 18° 2 x 1 x 2/3 with 4 Slots / Grate Red Part 61409 Element 4540382 or 4535102 ×6
  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Trans-Yellow Part 54200 Element 6245272 or 4260942 1 spare in the box ×2
  • Brick Sloped 45° 2 x 1 with 2/3 Inverted Cutout and no stud Yellow Part 28192 Element 6228597 ×2

Bricks Curved 13 pieces

  • Brick Curved 2 x 2 x 2/3 Black Part 15068 Element 6053077 ×3
  • Brick Curved 2 x 2 x 2/3 Dark Azure Part 15068 Element 6298471 ×2
  • Brick Curved 2 x 2 x 2/3 Light Bluish Gray Part 15068 Element 6102357 ×1
  • Brick Curved 2 x 1 No Studs [1/2 Bow] Red Part 11477 Element 6029946 ×6
  • Brick Curved 2 x 2 x 2/3 Two Studs and Curved Slope End Red Part 47457 Element 4220515 ×1

Plates Wedged 10 pieces

  • Wedge Plate 3 x 3 Cut Corner Black Part 2450 Element 4227684 or 245026 ×4
  • Wedge Plate 2 x 2 Left Dark Azure Part 24299 Element 6145416 ×1
  • Wedge Plate 2 x 2 Right Dark Azure Part 24307 Element 6145418 ×1
  • Wedge Plate 2 x 2 Cut Corner Red Part 26601 Element 6173961 ×2
  • Wedge Plate 8 x 3, 22° Left Red Part 50305 Element 6059021 or 4610488 ×1
  • Wedge Plate 8 x 3, 22° Right Red Part 50304 Element 6059013 or 4610492 ×1

Tiles 8 pieces

  • Tile 1 x 2 with Groove Red Part 3069b Element 4178178 or 306921 ×2
  • Tile 1 x 4 with Groove Red Part 2431 Element 243121 ×4
  • Tile 1 x 6 with Groove Yellow Part 6636 Element 6388488 or 663624 ×2

Plates Round Curved and Dishes 6 pieces

  • Plate Special 1 x 2 Rounded with 2 Open Studs Light Bluish Gray Part 35480 Element 6248890 ×2
  • Plate Round 1 x 1 with Solid Stud Trans-Yellow Part 6141 Element 6514056 or 6240216 1 spare in the box ×4

Bricks 5 pieces

  • Brick 2 x 2 Corner Black Part 2357 Element 235776 or 235726 ×2
  • Brick 1 x 1 Dark Azure Part 3005 Element 6225538 or 6088654 ×2
  • Brick 2 x 3 Light Bluish Gray Part 3002 Element 4211386 ×1

Tiles Round and Curved 4 pieces

  • Tile Round 1 x 1 Quarter Yellow Part 25269 Element 6195183 1 spare in the box ×4

Bricks Special 2 pieces

  • Brick Special 1 x 2 Palisade [aka Log] Black Part 30136 Element 4644456 or 4519980 ×2

Panels 2 pieces

  • Panel 1 x 2 x 1 with Rounded Corners and 2 Sides Black Part 23969 Element 6248496 or 6174845 ×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.

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