BlockTalk Find Your Set

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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.

Lobster

Checking

MMMB012 Lobster

40 pieces in 18 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 8 pieces

  • Hinge Plate 1 x 2 Locking with 1 Finger On End, with Groove Red Part 44301a Element 4183039 ×4
  • Hinge Plate 1 x 2 Locking with 2 Fingers On End, with Groove, 9 Teeth Red Part 44302a Element 6249371 or 6074865 ×4

Bricks Sloped 7 pieces

  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Red Part 54200 Element 5074621 or 4504379 ×2
  • Brick Sloped 45° 2 x 1 Double / Inverted with Bottom Stud Holder Red Part 3049d Element 6602160 or 6426620 ×4
  • Brick Sloped 45° 2 x 1 Triple with Ovoid Bottom Pin Red Part 3048c Element 4195004 or 304821 ×1

Plates 7 pieces

  • Plate 1 x 2 Red Part 3023 Element 302321 ×2
  • Plate 1 x 3 Red Part 3623 Element 362321 ×2
  • Plate 2 x 2 Red Part 3022 Element 4613974 or 302221 ×2
  • Plate 2 x 3 Red Part 3021 Element 302121 ×1

Plates Special 5 pieces

  • Bracket 1 x 2 - 2 x 2 Red Part 44728 Element 6117974 or 6048856 ×2
  • Plate Special 1 x 2 with Clips Horizontal [Open O Clips] Red Part 60470b Element 6360036 or 4556153 ×1
  • Plate Special 1 x 2 with Handle on End [Closed Ends] Red Part 60478 Element 4515365 ×2

Bars, Ladders and Fences 4 pieces

  • Lever Small Base with Black Lever Red Part 298c02 Element 74335 ×4

Animal / Creature Body Parts 2 pieces

  • Animal Body Part / Plant, Tail / Claw / Horn / Branch / Tentacle, End Section Dark Red Part 40379 Element 4541384 or 4508455 ×2

Bricks Curved 2 pieces

  • Brick Curved 3 x 1 No Studs Red Part 50950 Element 4251162 ×2

Bricks Special 2 pieces

  • Brick Special 1 x 1 with Headlight Red Part 4070 Element 407021 ×2

Plates Round Curved and Dishes 2 pieces

  • Plate Round 2 x 2 with Rounded Bottom [Boat Stud] Red Part 2654 Element 4617080 or 4278275 ×2

Plates Wedged 1 piece

  • Wedge Plate 3 x 4 with Stud Notches [Reinforced Underside] Red Part 90194 Element 6170523 or 4649048 ×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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