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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.

Mobile Crane

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6361 Mobile Crane

160 pieces in 71 part and color combinations, plus 1 minifigure.

LEGO counts 163 pieces. This inventory comes from a separate parts catalog and lists 164, including the 4 parts inside the minifigures; the two do not always count the same elements, so their totals differ. Spare parts are counted in neither figure.

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.

Look-alike colors in this set

These parts appear in this set in two colors that are easy to confuse. If you are one short in one color, check whether it went in where the other color belongs. Each color has its own element ID in the parts list at the back of the instructions.

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Piece checklist

Black 71 pieces

  • Bar 1 x 3 [Clip / Anti-Stud] Black Part 4735 Element 4141580 or 473576 ×4
  • Brick 2 x 10 Black Part 3006 Element 4617860 or 300626 ×1
  • Brick 2 x 4 Black Part 3001 Element 300126 ×1
  • Brick Round 1 x 1 Open Stud Black Part 3062b Element 306226 ×2
  • Cone 1 x 1 [No Top Groove] Black Part 4589 Element 4518219 or 458926 ×2
  • Crane Arm Centre, 16 x 2 x 1 Black Part 2351 Element 235126 ×1
  • Crane Hook 1 x 4 x 1 Black Part 70278 Element 70278 ×1
  • Dish 2 x 2 Inverted [Radar] Black Part 4740 Element 474026 ×4
  • Hinge Plate 2 x 4 - Female (Digger Bucket Holder) Black Part 3597 Element 4187208 or 359726 ×1
  • Hinge Plate 2 x 4 - Male (Digger Bucket Holder) Black Part 3315 Element 4187207 or 331526 ×1
  • Lever Small Base with Light Gray Lever Black Part 298c03 Element 73667 ×2
  • Plate 1 x 1 Black Part 3024 Element 302426 ×2
  • Plate 1 x 10 Black Part 4477 Element 447726 ×2
  • Plate 1 x 2 Black Part 3023 Element 302326 ×10
  • Plate 1 x 3 Black Part 3623 Element 362326 ×2
  • Plate 1 x 4 Black Part 3710 Element 371026 ×1
  • Plate 1 x 6 Black Part 3666 Element 366626 ×2
  • Plate 2 x 16 Black Part 4282 Element 428276 or 428226 ×1
  • Plate 2 x 2 Black Part 3022 Element 302226 ×3
  • Plate 2 x 3 Black Part 3021 Element 302126 ×4
  • Plate 2 x 4 Black Part 3020 Element 302026 ×3
  • Plate 2 x 6 Black Part 3795 Element 379526 ×1
  • Plate Round 1 x 1 with Solid Stud Black Part 6141 Element 614126 ×2
  • Plate Special 1 x 4 Offset with Bar Holes Black Part 4590 Element 6002559 or 4278029 ×1
  • Plate Special 2 x 2 with Wheel Holders Black Part 4600 Element 460026 ×3
  • String Cord Thin (0.5mm) 75cm Black Part 56823c75 Element 7909 ×1
  • Tile 1 x 2 with Groove Black Part 3069b Element 306926 ×1
  • Turntable 4 x 4 Square Base Black Part 3403 Element 340326 ×1
  • Turntable 4 x 4 Top Black Part 3404 Element 4221659 or 340426 ×1
  • Tyre 21 x 8 Offset Tread Medium Black Part 4084 ×6
  • Weapon Gun / Torch (Space) [with Grooves] Black Part 3959 Element 4254942 or 395976 ×4

Yellow 60 pieces

  • Brick 1 x 4 Yellow Part 3010 Element 301024 ×2
  • Brick Sloped 33° 3 x 1 Yellow Part 4286 Element 428624 ×2
  • Brick Sloped 45° 2 x 1 with Bottom Pin Yellow Part 3040b Element 4121965 or 304024 ×4
  • Brick Sloped Inverted 34° 3 x 1 without Internal Stopper Yellow Part 4287a ×2
  • Brick Sloped Inverted 45° 2 x 1 Yellow Part 3665 Element 366524 ×6
  • Brick Sloped Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes] Yellow Part 3660 Element 366024 ×2
  • Crane Arm Outside, Narrow, 16 Studs with Black Moving Print Yellow Part 2350dpr0001 ×1
  • Hinge Tile 1 x 2 1/2 with 2 Fingers on Top Yellow Part 4531 Element 4280162 or 4225512 ×1
  • Hinge Vehicle Roof 4 x 4 Yellow Part 4213 Element 4240388 or 421324 ×1
  • Hinge Vehicle Roof Holder 1 x 4 x 2 Yellow Part 4214 Element 421424 ×1
  • Plate 1 x 1 Yellow Part 3024 Element 302424 Also in Trans-Yellow ×2
  • Plate 1 x 2 Yellow Part 3023 Element 302324 ×2
  • Plate 1 x 3 Yellow Part 3623 Element 362324 ×2
  • Plate 1 x 4 Yellow Part 3710 Element 371024 ×2
  • Plate 2 x 2 Yellow Part 3022 Element 4613978 or 302224 ×1
  • Plate 2 x 3 Yellow Part 3021 Element 302124 ×2
  • Plate 2 x 4 Yellow Part 3020 Element 302024 ×4
  • Plate 4 x 8 Yellow Part 3035 Element 303524 ×1
  • Plate Special 1 x 2 with 1 Stud without Groove (Jumper) Yellow Part 3794a ×2
  • Steering Stand 1 x 2 with Black Steering Wheel Yellow Part 3829c01 Element 9553 ×1
  • String Reel Winch 2 x 4 x 2 (Light Gray Drum) Yellow Part 73037 Element 4109856 ×1
  • Technic Brick 1 x 2 [1 Pin Hole] Yellow Part 3700 Element 370024 ×2
  • Tile 1 x 2 with Groove Yellow Part 3069b Element 306924 ×2
  • Tile 2 x 2 with Groove Yellow Part 3068b Element 6388487 or 306824 ×7
  • Wedge Plate 3 x 4 without Stud Notches Yellow Part 4859 Element 4181033 ×1
  • Wheel 8 x 6 Yellow Part 4624 Element 6133542 or 462424 ×6

Blue 14 pieces

  • Brick 1 x 4 Blue Part 3010 Element 301023 ×3
  • Panel 1 x 2 x 3 - Solid Studs Blue Part 2362a Element 4113025 ×2
  • Panel 1 x 4 x 3 [Solid Studs] Blue Part 4215a ×2
  • Plate 4 x 8 Blue Part 3035 Element 303523 ×2
  • Plate Special 1 x 2 with 1 Stud without Groove (Jumper) Blue Part 3794a ×2
  • Window 1 x 2 x 3 Shutter Blue Part 3856 Element 385623 ×2
  • Window 1 x 4 x 3 Blue Part 3853 Element 385323 ×1

Trans-Yellow 6 pieces

  • Plate 1 x 1 Trans-Yellow Part 3024 Element 6513966 or 6252045 Also in Yellow ×6

Trans-Red 4 pieces

  • Plate 1 x 1 Trans-Red Part 3024 Element 6513963 or 6252042 ×2
  • Tile 1 x 1 with Groove Trans-Red Part 3070b Element 6581817 or 6254248 ×2

Light Gray 3 pieces

  • Bar 1 x 6 [Open Studs] Light Gray Part 4873 ×1
  • Technic Pin without Friction Ridges Lengthwise Light Gray Part 3673 Element 4184166 or 367302 ×2

Trans-Clear 1 piece

  • Windscreen 2 x 4 x 2 Vertical Trans-Clear Part 4594 Element 6507908 or 6240532 ×1

[No Color/Any Color] 1 piece

  • Sticker Sheet for Set 6361-1 [No Color/Any Color] Part 190145 Element 190145 ×1

Minifigures 1 figure

  • Man, Black Overalls, Red Hard Hat (3626a Head) Minifigure, checked as a whole figure ×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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