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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.

Kai's Ninja Race Car EVO

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71780 Kai's Ninja Race Car EVO

90 pieces in 42 part and color combinations, plus 1 minifigure.

The official 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

Black 20 pieces

  • Bracket 1 x 2 - 1 x 2 Inverted Black Part 99780 Element 6020193 ×1
  • Bracket 1 x 2 - 1 x 4 [Rounded Corners at Bottom, Square Corners at Top] Black Part 28802 Element 6168620 ×2
  • Brick Curved 2 x 1 No Studs [1/2 Bow] Black Part 11477 Element 6047276 ×2
  • Brick Sloped 18° 2 x 1 x 2/3 with 4 Slots / Grate Black Part 61409 Element 4541191 ×2
  • Brick Special 1 x 1 x 1 2/3 with Studs on 1 Side Black Part 32952 Element 6228987 ×2
  • Plate 2 x 4 Black Part 3020 Element 302026 ×2
  • Technic Axle 1.5 with Perpendicular Axle Connector (Technic Pole Reverser Handle) Black Part 6553 Element 4107765 or 655326 ×2
  • Technic Pin Connector Round [Slotted] Black Part 62462 Element 6173119 or 4526982 ×2
  • Vehicle Base 6 x 12 x 3/4 with 4 x 2 Recessed Center with Smooth Underside Black Part 28324 Element 6170384 ×1
  • Wheel 37mm D. x 22mm, Pin Hole Black Part 2148 Element 6413638 ×4

Red 20 pieces

  • Brick Curved 1 x 2 x 1 No Studs Red Part 37352 Element 6252037 ×4
  • Brick Curved 2 x 2 x 2/3 Red Part 15068 Element 6105976 ×1
  • Brick Curved 4 x 2 No Studs Red Part 93606 Element 4613174 ×1
  • Brick Curved 4 x 3 with 3 Layers, 1 x 3 Cutout on Underside Red Part 66955 Element 6301367 ×2
  • Brick Round 2 x 2, Pin Holes Red Part 17485 Element 6173922 ×1
  • Brick Wedged, Angled 3 x 2 Left Red Part 6565 Element 6256588 or 4527765 ×1
  • Brick Wedged, Angled 3 x 2 Right Red Part 6564 Element 6256585 or 4526929 ×1
  • Plate Special 1 x 2, Top Clip [Open O] Red Part 44861 Element 6347308 ×2
  • Plate Special 2 x 2 x 2/3 with Two Studs On Side and Two Raised [Solid Anti-stud] Red Part 99206 Element 6061711 ×4
  • Steering Stand 1 x 2 with Black Steering Wheel Red Part 3829c01 Element 9552 ×1
  • Technic Brick 1 x 2 with Axle Hole Type 1 [+ Opening] and Bottom Pin Red Part 32064a Element 6196217 or 4513987 ×1
  • Wedge Plate 4 x 4 with 2 x 2 Cutout Red Part 43719 Element 6275399 or 4561034 ×1

Pearl Gold 13 pieces

  • Fin Jagged with Axle Hole Pearl Gold Part 76919 Element 6342592 ×2
  • Plate Round 1 x 1 with Solid Stud Pearl Gold Part 6141 Element 4523159 1 spare in the box ×6
  • Tile Special 1 x 2 Grille with Bottom Groove Pearl Gold Part 2412b Element 4490599 ×2
  • Weapon Sword / Katana / Shamshir with Capped Pommel [Square Guard] Pearl Gold Part 21459 Element 6116596 ×3

Light Bluish Gray 11 pieces

  • Hinge Plate 1 x 2 Locking with 1 Finger On Top Light Bluish Gray Part 30383 Element 6265694 or 4219913 ×6
  • Plate Special 2 x 4 with 2 Pin Holes Light Bluish Gray Part 26599 Element 6176242 ×2
  • Technic Axle 3 Light Bluish Gray Part 4519 Element 4211815 ×1
  • Tile Special 1 x 2 with Handle Light Bluish Gray Part 2432 Element 4211357 ×2

Bright Light Orange 8 pieces

  • Brick Curved 4 x 1 Double, No Studs Bright Light Orange Part 93273 Element 6133826 ×2
  • Plate 1 x 4 Bright Light Orange Part 3710 Element 6020073 ×4
  • Plate 4 x 4 Bright Light Orange Part 3031 Element 6093272 or 4243921 ×2

Reddish Brown 8 pieces

  • Plate 1 x 2 Reddish Brown Part 3023 Element 4211150 ×2
  • Plate Special 1 x 1 with Clip Vertical [Thick Open O Clip] Reddish Brown Part 60897 Element 6337003 or 6066142 ×2
  • Technic Pin Connector 3L with 2 Pins and Center Hole [Pin Ridges Across Part] Reddish Brown Part 46189 Element 6323704 ×2
  • Technic Pin Connector Round 1L [Beam] Reddish Brown Part 18654 Element 6170813 1 spare in the box ×2

Tan 4 pieces

  • Brick Special 1 x 2 x 1 2/3 with 4 Studs on 1 Side Tan Part 22885 Element 6214334 ×2
  • Technic Pin Long without Friction Ridges, with Anti-Roll Notch Tan Part 39888 Element 6321305 ×2

Yellow 4 pieces

  • Technic Pin without Friction Ridges Lengthwise Yellow Part 3673 Element 6331822 1 spare in the box ×4

Trans-Brown 1 piece

  • Windscreen 8 x 4 x 2 Curved with Handle Trans-Brown Part 23448 Element 6514216 or 6240500 ×1

[No Color/Any Color] 1 piece

  • Sticker Sheet for Set 71780-1 [No Color/Any Color] Part 10102067 Element 6422671 ×1

Minifigures 1 figure

  • Kai - EVO with Wraps 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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