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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.

Young Dragon Riyu

Checking

71810 Young Dragon Riyu

117 pieces in 48 part and color combinations, plus 3 minifigures.

The official piece count includes the 15 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

Sand Blue 24 pieces

  • Brick 1 x 1 Sand Blue Part 3005 Element 4620077 or 4169428 ×2
  • Brick Curved 2 x 2 x 2/3 Sand Blue Part 15068 Element 6166865 ×4
  • Brick Curved 4 x 1 Double, No Studs Sand Blue Part 93273 Element 6475223 or 6166830 ×1
  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Sand Blue Part 54200 Element 6062686 1 spare in the box ×2
  • Brick Sloped 45° 2 x 1 Triple with Inside Stud Holder Sand Blue Part 15571 Element 6392959 ×6
  • Brick Wedged, Curved 2 x 1 with Stud Notch Left Sand Blue Part 29120 Element 6257109 ×1
  • Brick Wedged, Curved 2 x 1 with Stud Notch Right Sand Blue Part 29119 Element 6257108 ×1
  • Creature Body Part, Dragon Head Riyu with Lime Eyes, Dark Blue / Bright Light Orange Marking Print Sand Blue Part 4921pr0001 Element 6464368 ×1
  • Creature Body Part, Wing 11 x 6 with 3 Bars [Plain] Sand Blue Part 4899 Element 6510124 or 6475206 ×2
  • Large Figure Cover 4 x 5 x 2 with Bar, 4 Studs, Ridged Sand Blue Part 4986 Element 6475208 ×1
  • Tile 1 x 3 Sand Blue Part 63864 Element 6262031 ×2
  • Wheel Arch, Mudguard 2 x 3 x 1 1/3 with 2 x 2 Plate Sand Blue Part 49097 Element 6475211 ×1

Dark Bluish Gray 22 pieces

  • Bracket 1 x 2 - 1 x 2 Inverted Dark Bluish Gray Part 99780 Element 6000606 ×6
  • Brick Sloped Inverted 45° 4 x 1 Double with 1 x 2 Recessed Dark Bluish Gray Part 32802 Element 6185675 ×2
  • Plate 2 x 2 Corner Dark Bluish Gray Part 2420 Element 4210635 ×4
  • Plate Special 1 x 2 with 5.9mm Towball Socket and Towball Dark Bluish Gray Part 14419 Element 6414554 or 6338166 ×1
  • Plate Special 1 x 2 with End Towball Dark Bluish Gray Part 22890 Element 6370802 or 6338168 ×8
  • Plate Special 2 x 2 with 1 Pin Hole [Complete Underside Rib] Dark Bluish Gray Part 10247 Element 6047417 ×1

Light Bluish Gray 16 pieces

  • Plate Special 1 x 2 5.9mm Centre Side Towball Socket Light Bluish Gray Part 14704 Element 6414561 or 6338165 ×6
  • Plate Special 1 x 2 5.9mm Towball Socket Light Bluish Gray Part 14418 Element 6414556 or 6338163 ×4
  • Plate Special 1 x 2 with Clip Horizontal on End Light Bluish Gray Part 63868 Element 6319336 or 4535738 ×4
  • Wedge Plate 2 x 4 Light Bluish Gray Part 51739 Element 4507056 or 4252368 ×2

Dark Blue 12 pieces

  • Brick Curved Inverted 4 x 1 Dark Blue Part 13547 Element 6199906 ×4
  • Brick Sloped Inverted 45° 4 x 2 Double with 2 x 2 Recessed Dark Blue Part 4871 Element 6475225 or 4261784 ×1
  • Plate 2 x 2 Dark Blue Part 3022 Element 6037890 or 4528982 ×4
  • Plate 2 x 4 Dark Blue Part 3020 Element 6554194 or 4667595 ×1
  • Plate Special 1 x 1 with Clip Light, Bar Hole [Thick Ring] Dark Blue Part 4081b Element 6328107 ×2

Bright Light Blue 10 pieces

  • Plate Special 1 x 2 Rounded with 2 Open Studs Bright Light Blue Part 35480 Element 6372122 ×6
  • Wedge Plate 3 x 2 Left Bright Light Blue Part 43723 Element 6383093 ×2
  • Wedge Plate 3 x 2 Right Bright Light Blue Part 43722 Element 6383097 ×2

Bright Light Orange 7 pieces

  • Plate 1 x 6 Bright Light Orange Part 3666 Element 6020074 ×2
  • Plate 2 x 4 Bright Light Orange Part 3020 Element 6097511 ×1
  • Plate Round 1 x 1 with Solid Stud Bright Light Orange Part 6141 Element 6331261 or 4215422 1 spare in the box ×4

Pearl Gold 7 pieces

  • Animal / Creature Body Part, Claw with Clip Pearl Gold Part 3171 Element 6426622 ×2
  • Weapon Scythe / Crescent Blade Serrated with Bar Pearl Gold Part 98141 Element 6270138 or 4646871 ×2
  • Weapon Sickle with Dragon Head Pearl Gold Part 4922 Element 6476963 ×1
  • Weapon Sword / Katana / Shamshir with Capped Pommel [Square Guard] Pearl Gold Part 21459 Element 6116596 ×2

Reddish Brown 7 pieces

  • Bracket 1 x 2 - 1 x 2 Reddish Brown Part 99781 Element 6443654 or 6092685 ×2
  • Brick Curved 2 x 2 x 2/3 Reddish Brown Part 15068 Element 6146858 ×2
  • Plate Special 1 x 2 with Handle on End [Closed Ends] Reddish Brown Part 60478 Element 6102975 ×2
  • Tile Special 1 x 2 with Sloped Walls AKA Money / Gold Bar [Ingot] Reddish Brown Part 99563 Element 6261744 ×1

White 4 pieces

  • Tile Special 1 x 2 with Two Vertical Teeth / Tooth White Part 15209 Element 6046384 ×4

Black 2 pieces

  • Technic Pin with Friction Ridges Lengthwise and Towball - Round Pin Hole Black Part 66906 Element 6344752 ×2

Medium Nougat 2 pieces

  • Plate Special 1 x 2, Top Clip [Open O] Medium Nougat Part 44861 Element 6347304 ×2

Flat Silver 1 piece

  • Weapon Sword / Khopesh Flat Silver Part 93247 Element 6461579 ×1

Lime 1 piece

  • Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) Lime Part 4032a Element 6314224 or 4213047 ×1

Tan 1 piece

  • Plate Special 2 x 2 x 2/3 with Axle Hole and Grill on Sides (Haybale) Tan Part 71752 Element 6330903 ×1

[No Color/Any Color] 1 piece

  • Sticker Sheet for Set 71810-1 [No Color/Any Color] Part 10107652 Element 6480979 ×1

Minifigures 3 figures

  • Arin Minifigure, checked as a whole figure ×1
  • Wolf Mask Warrior, Shoulder Pads Minifigure, checked as a whole figure ×1
  • Sora, Cat Ears Headphones 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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