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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.

Epic Battle Set - Kai vs. Skulkin

Checking

71730 Epic Battle Set - Kai vs. Skulkin

57 pieces in 37 part and color combinations, plus 2 minifigures.

LEGO counts 61 pieces. This inventory comes from a separate parts catalog and lists 70, including the 13 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.

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Piece checklist

Minifig Shields, Weapons, & Tools 12 pieces

  • Weapon Sword / Scimitar Notched Blade Flat Silver Part 60752 Element 4611882 ×1
  • Weapon Sword Hilt with Dragon Head Pearl Gold Part 36017 Element 6224825 ×1
  • Weapon Katana with Trailing Effect Trans-Orange Part 73766d ×2
  • Weapon Nunchucks with Trailing Effect Trans-Orange Part 73766b ×2
  • Weapon Sickle with Trailing Effect Trans-Orange Part 73766c ×2
  • Weapon Throwing Star / Shuriken with Trailing Effect Trans-Orange Part 73766a ×4

Bricks Sloped 6 pieces

  • Brick Sloped 45° 2 x 1 with 2/3 Cutout [New Version] Dark Bluish Gray Part 15672 Element 6069164 or 4621917 ×4
  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Dark Red Part 54200 Element 4539079 or 4531415 1 spare in the box ×2

Plates Special 6 pieces

  • Plate Special Round 1 x 1 with Hollow Stud and Horizontal Bar 1L Black Part 32828 Element 6196548 1 spare in the box ×2
  • Bracket 1 x 2 - 2 x 2 Dark Bluish Gray Part 44728 Element 6117972 or 6048854 ×1
  • Plate Special Round 2 x 2 with Center Stud (Jumper Plate) Dark Bluish Gray Part 18674 Element 6115080 ×1
  • Bracket 1 x 1 - 1 x 1 Inverted Reddish Brown Part 36840 Element 6238874 ×2

Bricks Curved 4 pieces

  • Brick Curved 2 x 1 No Studs [1/2 Bow] Dark Red Part 11477 Element 6173168 ×4

Plates 3 pieces

  • Plate 1 x 8 Dark Red Part 3460 Element 4541507 or 4529027 ×1
  • Plate 1 x 4 Dark Tan Part 3710 Element 4626904 or 4497088 ×1
  • Plate 2 x 8 Reddish Brown Part 3034 Element 4211211 ×1

Plates Round Curved and Dishes 3 pieces

  • Plate Round 4 x 4 with Pin Hole Dark Tan Part 60474 Element 6232138 ×1
  • Plate Special 1 x 2 Rounded with 2 Open Studs Reddish Brown Part 35480 Element 6248944 ×2

Bricks 2 pieces

  • Brick 1 x 1 x 5 with Solid Stud Tan Part 2453b Element 4112980 ×2

Bricks Round and Cones 2 pieces

  • Brick Round 2 x 2 with Axle Hole Red Part 3941 Element 614321 or 394121 ×2

Hinges, Arms and Turntables 2 pieces

  • Turntable 2 x 2 x 1 Black Part 40145 Element 6252373 ×1
  • Turntable Holder with Axle Dark Bluish Gray Part 40144 Element 6252372 ×1

Minifig Lower Body 2 pieces

  • Leg Skeleton Reddish Brown Part 6266 Element 6240499 or 6211892 ×2

Plants & Trees 2 pieces

  • Plant, Flower, Plate Round 1 x 1 with 5 Petals Bright Light Orange Part 24866 Element 6209681 1 spare in the box ×1
  • Plant, Leaves 6 x 5 Bright Light Orange Part 2417 Element 6273388 ×1

Plates Wedged 2 pieces

  • Wedge Plate 2 x 4 Dark Tan Part 51739 Element 6003379 ×2

Technic Connectors 2 pieces

  • Technic Axle Connector Smooth [with x Hole + Orientation] Black Part 59443 Element 6084612 or 4512363 ×1
  • Technic Pin Connector Round [Slotted] Reddish Brown Part 62462 Element 6173132 or 6055781 ×1

Animal / Creature Body Parts 1 piece

  • Animal Body Part / Plant, Tail / Trunk / Tentacle / Tongue / Vine / Tree Branch (Short Tip) Black Part 43892 Element 6171004 or 4626202 ×1

Bricks Special 1 piece

  • Brick Special 1 x 1 with Studs on 2 Sides Reddish Brown Part 47905 Element 6253167 or 4645102 ×1

Minifig Heads 1 piece

  • Minifig Head [Plain] [Hollow Stud] Reddish Brown Part 3626c Element 6106423 or 4582721 ×1

Minifig Headwear 1 piece

  • Hat, Conical Asian Style Pearl Gold Part 93059 Element 6154138 or 4649896 ×1

Technic Axles 1 piece

  • Technic Axle 3 Light Bluish Gray Part 4519 Element 4211815 ×1

Technic Pins 1 piece

  • Technic Pin 1/2 without Friction Ridges Blue Part 4274 Element 4143005 1 spare in the box ×1

Tiles Round and Curved 1 piece

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

Tiles Special 1 piece

  • Tile Special 2 x 2 with Top Pin [Squared Holes] Black Part 49153 Element 6313191 ×1

Wheels and Tyres 1 piece

  • Tyre 14 x 4 Smooth Small Single [New Style] Black Part 59895 Element 4516843 or 4507700 ×1

Minifigures 2 figures

  • Kai - White Torso, Red Legs Minifigure, checked as a whole figure ×1
  • Wyplash - Tan Hat 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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