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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.

Ariel's Seaside Castle

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41160 Ariel's Seaside Castle

111 pieces in 70 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

Bright Pink 16 pieces

  • Brick 1 x 3 Bright Pink Part 3622 Element 6052345 or 4253802 ×2
  • Brick 1 x 4 Bright Pink Part 3010 Element 4518890 ×1
  • Brick 2 x 2 Bright Pink Part 3003 Element 4550359 or 4245307 ×1
  • Brick Curved 2 x 2 x 2/3 Bright Pink Part 15068 Element 6230082 ×1
  • Brick Curved 2 x 3 Bright Pink Part 6215 Element 6143795 ×1
  • Brick Curved 3 x 1 No Studs Bright Pink Part 50950 Element 6133062 ×2
  • Brick Sloped Inverted 45° 2 x 1 Bright Pink Part 3665 Element 6424111 or 6061686 ×2
  • Equipment Dish / Plate / Bowl 3 x 3 [Plain] Bright Pink Part 6256 Element 4618629 or 4222938 ×1
  • Equipment Hairbrush Short Handle [10mm] Bright Pink Part 3852b Element 6099370 or 4654107 ×1
  • Plate 8 x 8 with Rounded End Bright Pink Part 41948 Element 6250690 ×1
  • Tile 1 x 4 with Groove Bright Pink Part 2431 Element 4621552 ×3

Magenta 16 pieces

  • Brick Sloped 45° 2 x 2 Magenta Part 3039 Element 4550362 ×4
  • Leg Tall, Skeleton Magenta Part 23769 Element 6325457 or 6236428 ×1
  • Plate Special 1 x 4 with 2 Studs with Groove [New Underside] Magenta Part 41740 Element 6249090 ×2
  • Plate Special 2 x 2 with Groove and Center Stud (Jumper) Magenta Part 87580 Element 6250075 or 6126069 ×7
  • Tile Special 2 x 3 with 2 Clips [Thick Open O Clips] Magenta Part 30350b Element 6176869 ×1
  • Tower Roof 2 x 4 x 4 Half Cone Shaped with Roof Tiles Magenta Part 35563 Element 6357110 or 6250688 ×1

White 15 pieces

  • Animal Body Part, Clam / Scallop Half Shell with 4 Studs White Part 18970 Element 6550156 or 6097097 ×1
  • Animal Body Part, Dog Bone [Short] White Part 93160 Element 6360202 or 4600294 1 spare in the box ×1
  • Animal, Dog, Small Standing with Fur Over Eyes, Black Nose, Open Mouth, and Light Bluish Gray Ears Print White Part 93088pr0005 Element 6214635 ×1
  • Brick 2 x 4 White Part 3001 Element 6552094 or 300101 ×2
  • Brick Arch 1 x 4 x 2 White Part 6182 Element 6031098 or 618201 ×2
  • Cylinder Half 2 x 4 x 2 with 1 x 2 Cutout with Windows, Pink Flowers, Sea Shell Print White Part 24593pr0006 Element 6253025 ×1
  • Panel 1 x 4 x 5 with Arched Window White Part 60808 Element 6615535 or 6336553 ×1
  • Panel 1 x 6 x 6 with Window with Yellow Columns, Blue Vase with Pink Flowers, Star Fish Print White Part 15627pr0017 Element 6252390 ×1
  • Panel 2 x 6 x 6 with Gothic Arch White Part 35565 Element 6358033 or 6211333 ×1
  • Plate 2 x 8 White Part 3034 Element 6552101 or 303401 ×1
  • Plate Special 1 x 2 [Side Handle Closed Ends] White Part 48336 Element 6552125 or 4222017 ×1
  • Tile 2 x 3 with Cushion, Sea Shells, Pink, Purple Circles Print White Part 26603pr0018 Element 6252391 ×1
  • Window 2 x 4 x 3 Frame with Hollow Studs White Part 60598 Element 4584888 ×1

Pearl Gold 11 pieces

  • Cone 1 x 1 [Top Groove] Pearl Gold Part 59900 Element 4529247 ×2
  • Equipment Goblet / Glass Pearl Gold Part 2343 Element 4505990 ×1
  • Fence Lattice 1 x 4 x 1 Pearl Gold Part 3633 Element 4536675 ×1
  • Fence Spindled 4 x 4 x 2 Quarter Round with 3 Studs Pearl Gold Part 21229 Element 6155062 ×2
  • Flag 4 x 1 Wavy [First Wave Right] Pearl Gold Part 4495b Element 6268949 or 4504649 ×1
  • Tile 1 x 2 with Groove Pearl Gold Part 3069b Element 6107197 ×2
  • Window 1 x 2 x 3 Pane Latticed with Thick Corner Tabs Pearl Gold Part 60607 Element 4541873 ×2

Medium Azure 8 pieces

  • Brick Sloped 45° 2 x 1 with Bottom Pin Medium Azure Part 3040b Element 6603301 or 4619655 ×3
  • Panel 1 x 2 x 1 with Rounded Corners and Central Divider Medium Azure Part 93095 Element 6671193 or 6133911 ×2
  • Plate Round Corner 6 x 6 Medium Azure Part 6003 Element 6133693 ×1
  • Plate Round Half 4 x 8 Medium Azure Part 22888 Element 6138571 ×1
  • Plate Special 8 x 9 x 2/3 with 1 x 4 Recessed Medium Azure Part 15624 Element 6476962 or 6252375 ×1

Yellow 8 pieces

  • Animal, Fish with Small Eyes, Medium Blue Dorsal and Tail Fin and Blue Stripes on Top Print (Flounder / Fabius) Yellow Part 15679pr0001 Element 6056851 ×1
  • Brick Curved 3 x 2 No Studs Yellow Part 24309 Element 6198024 ×2
  • Slide Curved Left 90° Yellow Part 28387 Element 6252376 or 6177206 ×1
  • Tile, Star with Stud Holder, Pin Hole Yellow Part 11609 Element 6184648 1 spare in the box ×4

Reddish Brown 6 pieces

  • Boat / Rowing Boat 14 x 5 x 2 with Oarlocks [No Hollow Inside Studs] Reddish Brown Part 21301 Element 6115714 ×1
  • Cone 1 x 1 [Top Groove] Reddish Brown Part 59900 Element 4529242 ×2
  • Equipment Oar / Paddle [Reinforced] Reddish Brown Part 87585 Element 4609635 ×2
  • Support Round 1 x 1 x 6 Solid Pillar Reddish Brown Part 43888 Element 4520612 ×1

Trans-Dark Pink 6 pieces

  • Brick 1 x 2 x 5 without Side Supports Trans-Dark Pink Part 46212 Element 6514087 or 6252586 ×2
  • Cone 1 x 1 [Top Groove] Trans-Dark Pink Part 59900 Element 6514026 or 6337637 ×4

Trans-Light Blue 5 pieces

  • Brick Round 2 x 2 Dome Top, Hollow Stud Trans-Light Blue Part 30367c Element 6507968 or 6264989 ×1
  • Rock - Heart Jewel with Shaft Trans-Light Blue Part 15745 Element 6167812 or 6097099 ×2
  • Rock 1 x 1 Jewel / Gem 24 Facet Trans-Light Blue Part 30153 Element 6513972 or 6247792 1 spare in the box ×1
  • Windscreen 2 x 4 x 2 Trans-Light Blue Part 3823 Element 6581802 or 6253682 ×1

Dark Turquoise 4 pieces

  • Brick 1 x 2 Dark Turquoise Part 3004 Element 6217659 or 4121500 ×4

Medium Lavender 4 pieces

  • Brick 2 x 4 Medium Lavender Part 3001 Element 6013583 or 4655173 ×2
  • Treasure Chest Bottom with Rear Slots, No Groove Medium Lavender Part 4738c Element 6056226 ×1
  • Treasure Chest Lid [Thick Hinge] Medium Lavender Part 4739a Element 6254219 or 6167678 ×1

Tan 4 pieces

  • Brick 2 x 3 Tan Part 3002 Element 4159739 or 300205 ×2
  • Brick Sloped 45° 2 x 2 Tan Part 3039 Element 4114322 ×2

Bright Green 3 pieces

  • Plant, Carrot Top Bright Green Part 33183 Element 4119479 1 spare in the box ×1
  • Plant, Grass Stem with Bar Hole [3.2mm] Bright Green Part 15279 Element 6566117 or 6413056 ×1
  • Plant, Sea Grass Bright Green Part 30093 Element 6269992 or 6210746 ×1

Light Bluish Gray 2 pieces

  • Equipment Telescope / Torch / Spyglass, Support Round 1 x 1 x 1 2/3 Light Bluish Gray Part 64644 Element 4657366 ×1
  • Plate Special 8 x 9 x 2/3 with 1 x 4 Recessed Light Bluish Gray Part 15624 Element 6055165 ×1

Dark Bluish Gray 1 piece

  • Plate 1 x 4 Dark Bluish Gray Part 3710 Element 4211001 ×1

Flat Silver 1 piece

  • Equipment Scissors Flat Silver Part 18920 Element 6096993 1 spare in the box ×1

Green 1 piece

  • Plant, Leaves 6 x 5 Green Part 2417 Element 6266968 or 4613823 ×1

Minifigures 1 figure

  • Ariel - Human Form, Light Aqua Dress 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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