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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.

Mini Ninja Combo Mech

Checking

30699 Mini Ninja Combo Mech

80 pieces in 35 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.

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

White 22 pieces

  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) White Part 54200 Element 6550179 or 4504369 1 spare in the box Also in Trans-Clear ×3
  • Plate Round 1 x 1 with Solid Stud White Part 6141 Element 6601919 or 614101 1 spare in the box ×3
  • Plate Special 1 x 2 Rounded with 2 Open Studs White Part 35480 Element 6552167 or 6550175 ×4
  • Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper) White Part 15573 Element 6550152 or 6051511 ×3
  • Plate Special 1 x 2 with Clip Horizontal on Side White Part 11476 Element 6313115 or 6070712 ×4
  • Tile Round 1 x 1 Half Circle White Part 24246 Element 6609539 or 6250591 1 spare in the box ×3
  • Tile Round 1 x 1 Quarter White Part 25269 Element 6548285 or 6172366 1 spare in the box ×2

Red 10 pieces

  • Brick Sloped 45° 2 x 1 with 2/3 Inverted Cutout and no stud Red Part 28192 Element 6275178 ×2
  • Plate 1 x 3 Red Part 3623 Element 362321 ×4
  • Plate Special 1 x 2 Rounded with 2 Open Studs Red Part 35480 Element 6210269 ×2
  • Plate Special 1 x 2 with Pin Hole Underneath Red Part 18677 Element 6168634 or 6109459 ×2

Black 9 pieces

  • Plate Special 1 x 1 with Clip Vertical [Thick Open O Clip] Black Part 60897 Element 6330189 or 4617547 ×2
  • Plate Special 1 x 2 with 2 End Towballs Black Part 3170 Element 6416838 ×1
  • Technic Brick 1 x 4 [3 Pin Holes] Black Part 3701 Element 370126 ×2
  • Wheel 11 x 8 with Center Groove Black Part 42610 Element 6291068 ×4

Dark Blue 9 pieces

  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Dark Blue Part 54200 Element 4504374 or 4502092 1 spare in the box ×2
  • Brick Wedged, Curved 2 x 1 with Stud Notch Left Dark Blue Part 29120 Element 6214811 ×1
  • Brick Wedged, Curved 2 x 1 with Stud Notch Right Dark Blue Part 29119 Element 6214812 ×1
  • Plate Special 1 x 2 with Pin Hole on Top Dark Blue Part 11458 Element 6223838 ×1
  • Tile 1 x 2 with Groove Dark Blue Part 3069b Element 6554190 or 4528488 ×2
  • Wedge Plate 2 x 2 Cut Corner Dark Blue Part 26601 Element 6164071 ×2

Light Bluish Gray 8 pieces

  • Plate Special 1 x 2 5.9mm Towball Socket Light Bluish Gray Part 14418 Element 6414556 or 6338163 ×2
  • Plate Special 1 x 2 with Pin Hole On Side Light Bluish Gray Part 3172 Element 6438836 ×2
  • Technic Pin without Friction Ridges Lengthwise Light Bluish Gray Part 3673 Element 4211807 or 3673194 1 spare in the box ×4

Sand Blue 8 pieces

  • Brick Curved 2 x 1 No Studs [1/2 Bow] Sand Blue Part 11477 Element 6179812 ×1
  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Sand Blue Part 54200 Element 6062686 1 spare in the box ×1
  • Plate 2 x 2 Sand Blue Part 3022 Element 6062089 or 4153607 ×2
  • Tile Special 2 x 2 Corner with Cut Corner - Facet Sand Blue Part 27263 Element 6398674 ×4

Dark Bluish Gray 6 pieces

  • Plate 2 x 3 Dark Bluish Gray Part 3021 Element 4211043 ×2
  • Plate Special 1 x 1 Rounded with Handle Dark Bluish Gray Part 26047 Element 6388119 ×4

Pearl Gold 5 pieces

  • Plate Special 1 x 1 Rounded with Handle Pearl Gold Part 26047 Element 6212377 ×4
  • Tile Special 1 x 2 with Sloped Walls AKA Money / Gold Bar [Ingot] Pearl Gold Part 99563 Element 6207933 or 4651407 ×1

Blue 1 piece

  • Technic Pin Long with Friction Ridges Lengthwise, 1 Center Slot Blue Part 42924 Element 6299413 ×1

Trans-Clear 1 piece

  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Trans-Clear Part 54200 Element 6245250 or 4244362 1 spare in the box Also in White ×1

Trans-Light Blue 1 piece

  • Tile Round 1 x 1 Trans-Light Blue Part 98138 Element 6514192 or 6274739 1 spare in the box ×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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