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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.

Ninjago: Build Your Own Adventure

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0241187567 Ninjago: Build Your Own Adventure

70 pieces in 34 part and color combinations, plus 1 minifigure.

The piece count includes the 4 parts inside the set's minifigures, which this inventory lists separately. 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.

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Piece checklist

Plates Special 24 pieces

  • Bracket 1 x 2 - 1 x 2 Inverted Dark Bluish Gray Part 99780 Element 6000606 ×3
  • 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 5.9mm Towball Socket and Towball Dark Bluish Gray Part 14419 Element 6414554 or 6338166 ×2
  • Plate Special 2 x 2 with 1 Pin Hole [Complete Underside Rib] Dark Bluish Gray Part 10247 Element 6047417 ×2
  • Bracket 1 x 2 - 1 x 2 Inverted Green Part 99780 Element 6099243 ×2
  • Bracket 1 x 2 - 1 x 2 Light Bluish Gray Part 99781 Element 4654582 ×3
  • Plate Special 1 x 2 5.9mm Centre Side Towball Socket Light Bluish Gray Part 14704 Element 6414561 or 6338165 ×2
  • Plate Special 1 x 2 5.9mm Towball Socket Light Bluish Gray Part 14418 Element 6414556 or 6338163 ×2
  • Plate Special 1 x 1 with Clip Horizontal [Thick Open O Clip] Pearl Gold Part 61252 Element 6284379 or 4523160 ×2
  • Plate Special 1 x 2 with Clip Horizontal on End Reddish Brown Part 63868 Element 6338135 or 6008297 ×4

Plates 8 pieces

  • Plate 1 x 6 Black Part 3666 Element 366626 ×2
  • Plate 2 x 4 Dark Bluish Gray Part 3020 Element 4211065 ×2
  • Plate 2 x 8 Green Part 3034 Element 303428 ×1
  • Plate 1 x 2 Trans-Yellow Part 3023 Element 6514002 or 6240211 ×3

Bricks Curved 6 pieces

  • Brick Curved 1 x 2 x 1 1/3 with Curved Top Dark Green Part 6091 Element 6411352 or 4588024 ×2
  • Brick Curved 2 x 1 No Studs [1/2 Bow] Dark Green Part 11477 Element 6618099 or 6055225 ×2
  • Brick Curved 4 x 1 No Studs [Stud Holder with Symmetric Ridges] Green Part 11153 Element 6578747 or 6042951 ×2

Hinges, Arms and Turntables 4 pieces

  • Hinge Brick 2 x 2 Top Plate Thin Black Part 6134 Element 4124096 or 613426 ×2
  • Hinge Brick 1 x 2 Base Dark Bluish Gray Part 3937 Element 4211066 ×2

Minifig Shields, Weapons, & Tools 4 pieces

  • Weapon Sword / Katana / Shamshir with Uncapped Pommel [Square Guard] Pearl Gold Part 30173b Element 4505215 ×2
  • Weapon Sword, Big Blade with Bar Pearl Gold Part 98137 Element 6270131 or 4646843 ×2

Plates Wedged 3 pieces

  • Wedge Plate 4 Stud 45° Angle Plate Black Part 15706 Element 6054852 ×2
  • Wedge Plate 3 x 4 with Stud Notches [Reinforced Underside] Dark Green Part 90194 Element 6170525 or 4649051 ×1

Technic Special 3 pieces

  • Technic Brick Special 2 x 2 with 10.2mm Balls with Holes and Axle Hole Black Part 17114 Element 6092732 ×1
  • Technic Brick Special 2 x 2 with Ball Socket Wide and Axle Hole Dark Bluish Gray Part 92013 Element 4619760 ×2

Tiles Round and Curved 3 pieces

  • Tile Round 2 x 2 with Bottom Stud Holder Pearl Gold Part 14769 Element 6066345 ×3

Bricks 2 pieces

  • Brick 1 x 2 Green Part 3004 Element 4107736 or 300428 ×2

Bricks Sloped 2 pieces

  • Brick Sloped 45° 2 x 1 Triple with Inside Stud Holder Dark Green Part 15571 Element 6583358 or 6075077 ×2

Plates Round Curved and Dishes 2 pieces

  • Plate Round 1 x 1 with Solid Stud Pearl Gold Part 6141 Element 4523159 1 spare in the box ×2

Technic Pins 2 pieces

  • Technic Pin with Friction Ridges Lengthwise and Towball Black Part 6628 Element 4184169 or 662826 ×2

Tiles 2 pieces

  • Tile 1 x 4 with Groove Green Part 2431 Element 243128 ×2

Transportation - Land 2 pieces

  • Seat / Chair 2 x 2 with Center Sprue Mark Dark Green Part 4079b Element 4538760 ×2

Windows and Doors 2 pieces

  • Window 1 x 2 x 3 Shutter with Hinges and Handle Green Part 60800a Element 4552353 ×2

Bricks Special 1 piece

  • Bracket 5 x 2 x 1 1/3 with Holes, Pin Bottom Black Part 11215 Element 6039194 ×1

Minifigures 1 figure

  • Lloyd Garmadon 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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