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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 Dragon Spinjitzu Spinner

Checking

71823 Kai's Dragon Spinjitzu Spinner

45 pieces in 23 part and color combinations, plus 2 minifigures.

The official piece count includes the 9 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 Round Curved and Dishes 18 pieces

  • Plate Special 1 x 3 Rounded with 3 Open Studs Black Part 77850 Element 6428168 ×2
  • Plate Round 1 x 1 with Solid Stud Pearl Gold Part 6141 Element 4523159 1 spare in the box ×6
  • Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) Red Part 4032a Element 403221 ×2
  • Plate Round Corner 3 x 3 with 2 x 2 Round Cutout Red Part 68568 Element 6462445 ×4
  • Plate Special 1 x 2 Rounded with 2 Open Studs Reddish Brown Part 35480 Element 6248944 ×3
  • Dish 3 x 3 Inverted [Radar] Trans-Clear Part 43898 Element 6507917 or 6244730 ×1

Bricks Sloped 4 pieces

  • Brick Sloped 45° 2 x 1 with 2/3 Cutout [New Version] Red Part 15672 Element 6053011 or 4603263 ×4

Animal / Creature Body Parts 3 pieces

  • Creature Body Part, Dragon, Tail Dark Red Part 5978 Element 6524972 ×1
  • Creature Body Part, Dragon, Wing Dark Red Part 5984 Element 6524971 ×2

Minifig Shields, Weapons, & Tools 3 pieces

  • Weapon Sword / Scimitar Notched Blade Flat Silver Part 60752 Element 4611882 ×1
  • Weapon Sword / Katana / Shamshir with Capped Pommel [Square Guard] Pearl Gold Part 21459 Element 6116596 ×2

Tiles 3 pieces

  • Tile 1 x 6 with Groove Red Part 6636 Element 4113858 ×2
  • Tile 2 x 4 with Groove Red Part 87079 Element 4560179 ×1

Energy Effects 2 pieces

  • Energy Effect, Spiked Dragon for Spinner Trans-Orange Part 5435 Element 6524968 ×2

Plates 2 pieces

  • Plate 1 x 4 Red Part 3710 Element 371021 ×2

Plates Special 2 pieces

  • Plate Special 1 x 2 with Clip Horizontal on Side Red Part 11476 Element 6313120 or 6178488 ×2

Projectiles / Launchers 2 pieces

  • Launcher, Spinner, Base 4 x 6 Dark Bluish Gray Part 1979 Element 6525003 ×1
  • Projectile, Base for Spinner with Axle Red Part 5436 Element 6524969 ×1

Tiles Special 2 pieces

  • Tile Special 1 x 1 with Clip with Rounded Edges Dark Red Part 15712 Element 6360079 or 6071222 ×2

Bars, Ladders and Fences 1 piece

  • Antenna 1 x 4 with Flat Top Trans-Clear Part 3957b Element 6514014 or 6166111 ×1

Technic Axles 1 piece

  • Technic Axle 8 with Stop Dark Bluish Gray Part 55013 Element 4499858 ×1

Technic Bricks 1 piece

  • Technic Brick 4 x 4 with 2 x 2 Opening Black Part 32324 Element 6222427 or 4226981 ×1

Tiles Round and Curved 1 piece

  • Tile Round 2 x 2 with Bottom Stud Holder Pearl Gold Part 14769 Element 6066345 ×1

Minifigures 2 figures

  • Kai, Dark Red Suit, Gold Helmet Minifigure, checked as a whole figure ×1
  • Dragonian Scout, Shoulder Armor 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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