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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.

Harry Potter: Hogwarts

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3862 Harry Potter: Hogwarts

332 pieces in 87 part and color combinations.

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

Reddish Brown 66 pieces

  • Bar 6L with Stop Ring Reddish Brown Part 63965 Element 6170468 or 6155727 ×4
  • Brick 2 x 2 Reddish Brown Part 3003 Element 4211210 ×12
  • Plate 1 x 2 Reddish Brown Part 3023 Element 4211150 ×9
  • Plate 2 x 4 Reddish Brown Part 3020 Element 4211186 ×2
  • Tile 1 x 2 with Groove Reddish Brown Part 3069b Element 4211151 ×7
  • Tile 2 x 2 with Groove Reddish Brown Part 3068b Element 4271949 or 4264030 ×29
  • Window 1 x 2 x 2 2/3 with Rounded Top Reddish Brown Part 30044 Element 4542131 or 4224625 ×3

Tan 62 pieces

  • Brick 1 x 16 Tan Part 2465 Element 4295313 or 4165812 ×4
  • Brick 2 x 2 Tan Part 3003 Element 4114306 or 300305 ×5
  • Brick 2 x 2 Corner Tan Part 2357 Element 4124455 or 4112541 ×14
  • Brick 2 x 4 Tan Part 3001 Element 4114319 or 300105 ×6
  • Brick 2 x 6 Tan Part 2456 Element 4181134 or 4143256 ×4
  • Brick Arch 1 x 6 Raised Arch Tan Part 92950 Element 4618876 ×1
  • Brick Sloped 45° 2 x 1 with Bottom Pin Tan Part 3040b Element 4121972 or 4113989 ×4
  • Brick Special 1 x 1 with Stud on 1 Side Tan Part 87087 Element 4579260 ×2
  • Cylinder Half 2 x 4 x 4 Tan Part 6259 Element 6232142 or 6106026 ×2
  • Panel 1 x 2 x 1 [Square Corners] Tan Part 4865a Element 4124460 ×10
  • Panel 2 x 2 x 1 Corner Tan Part 91501 Element 6181752 or 4593748 ×8
  • Plate 6 x 6 Tan Part 3958 Element 4125217 ×1
  • Tile 2 x 2 with Marauder's Map Print Tan Part 3068bpr0179 Element 4594309 or 4240245 ×1

Light Bluish Gray 47 pieces

  • Brick Arch 1 x 4 Light Bluish Gray Part 3659 Element 4211435 ×8
  • Dish 6 x 6 Inverted (Radar) with Hollow Studs Light Bluish Gray Part 44375a ×1
  • Plate 2 x 2 Corner Light Bluish Gray Part 2420 Element 4211353 ×18
  • Plate Special 1 x 2 with 1 Stud without Groove (Jumper) Light Bluish Gray Part 3794a ×2
  • Plate Special 2 x 2 with Groove and Center Stud (Jumper) Light Bluish Gray Part 87580 Element 6126082 or 4565393 ×12
  • Tile 1 x 6 with Groove Light Bluish Gray Part 6636 Element 4211549 ×2
  • Tile 1 x 8 with Groove Light Bluish Gray Part 4162 Element 4211481 ×2
  • Tile 2 x 2 with Hogwarts Coat of Arms Print Light Bluish Gray Part 3068bpr0180 Element 6023369 or 4594330 ×1
  • Tile 6 x 6 with Central Bottom Tube Light Bluish Gray Part 6881b Element 4548119 ×1

Dark Bluish Gray 44 pieces

  • Microfig Hogwarts Draco Malfoy Dark Bluish Gray Part 85863pr0051 Element 4594646 ×1
  • Microfig Hogwarts Harry Potter Dark Bluish Gray Part 85863pr0048 Element 4594561 ×1
  • Microfig Hogwarts Hermione Granger Dark Bluish Gray Part 85863pr0050 Element 4594642 ×1
  • Microfig Hogwarts Ron Weasley Dark Bluish Gray Part 85863pr0049 Element 4594614 ×1
  • Plate 1 x 8 Dark Bluish Gray Part 3460 Element 4210998 ×1
  • Plate 6 x 6 Dark Bluish Gray Part 3958 Element 4211134 ×19
  • Plate Special 1 x 2 with 1 Stud without Groove (Jumper) Dark Bluish Gray Part 3794a ×2
  • Plate Special 2 x 2 with Groove and Center Stud (Jumper) Dark Bluish Gray Part 87580 Element 6126083 or 4565322 ×12
  • Tile 2 x 2 with 4 White Arrows in Circle and Border on Reddish Brown Background Print Dark Bluish Gray Part 3068bpr0182 Element 4594771 ×2
  • Tile 8 x 16 with Bottom Tubes Dark Bluish Gray Part 90498 Element 4596898 ×4

Black 28 pieces

  • Brick Round 1 x 1 Open Stud Black Part 3062b Element 306226 ×16
  • Die - 6 Sided Rubber Frame with Red Centre Studs (Board Games) Black Part 64776pat0001 Element 4539364 ×1
  • Plate 2 x 2 Corner Black Part 2420 Element 242026 ×8
  • Plate 4 x 4 Black Part 3031 Element 4243819 or 303126 ×1
  • Technic Axle 4 Black Part 3705 Element 370526 ×1
  • Tool Screwdriver and Spanner / Wrench Black Part 4006 Element 6034000 or 4569095 ×1

Green 22 pieces

  • Animal, Frog Green Part 33320 Element 6171101 or 4157270 ×1
  • Flag 4 x 1 Wavy [First Wave Right] Green Part 4495b Element 6268947 or 449528 ×1
  • Microfig Hogwarts Slytherin House Player Green Part 85863pr0044 Element 4594473 ×1
  • Plate 1 x 2 Green Part 3023 Element 302328 ×3
  • Plate 2 x 10 Green Part 3832 Element 383228 ×8
  • Plate 4 x 4 Green Part 3031 Element 4243821 or 4113158 ×4
  • Plate Round 1 x 1 with Solid Stud Green Part 6141 Element 4569058 or 4519965 1 spare in the box ×3
  • Plate Special 2 x 2 with Groove and Center Stud (Jumper) Green Part 87580 Element 6389692 or 4565321 ×1

Sand Green 16 pieces

  • Cone 1 x 1 [Top Groove] Sand Green Part 59900 Element 6134280 or 4520959 1 spare in the box ×10
  • Cone 2 x 2 x 2, Open Stud Sand Green Part 3942c Element 6022157 or 4593755 ×5
  • Cone 4 x 4 x 2, Axle Hole [Plain] Sand Green Part 3943b Element 4593756 or 4508645 ×1

Blue 10 pieces

  • Flag 4 x 1 Wavy [First Wave Right] Blue Part 4495b Element 6268955 or 6215573 ×1
  • Insect, Spider Blue Part 30238 Element 4594313 ×1
  • Microfig Hogwarts Ravenclaw House Player Blue Part 85863pr0046 Element 4594558 ×1
  • Plate 1 x 2 Blue Part 3023 Element 302323 ×3
  • Plate Round 1 x 1 with Solid Stud Blue Part 6141 Element 614123 1 spare in the box ×3
  • Plate Special 2 x 2 with Groove and Center Stud (Jumper) Blue Part 87580 Element 6126049 or 4565319 ×1

Red 10 pieces

  • Flag 4 x 1 Wavy [First Wave Right] Red Part 4495b Element 6268946 or 449521 ×1
  • Insect, Spider Red Part 30238 Element 4593768 ×1
  • Microfig Hogwarts Gryffindor House Player Red Part 85863pr0043 Element 4594471 ×1
  • Plate 1 x 2 Red Part 3023 Element 302321 ×3
  • Plate Round 1 x 1 with Solid Stud Red Part 6141 Element 614121 1 spare in the box ×3
  • Plate Special 2 x 2 with Groove and Center Stud (Jumper) Red Part 87580 Element 6126048 or 4581308 ×1

Yellow 10 pieces

  • Animal, Frog Yellow Part 33320 Element 6171104 or 4593780 ×1
  • Flag 4 x 1 Wavy [First Wave Right] Yellow Part 4495b Element 6268959 or 6250272 ×1
  • Microfig Hogwarts Hufflepuff House Player Yellow Part 85863pr0045 Element 4594481 ×1
  • Plate 1 x 2 Yellow Part 3023 Element 302324 ×3
  • Plate Round 1 x 1 with Solid Stud Yellow Part 6141 Element 614124 1 spare in the box ×3
  • Plate Special 2 x 2 with Groove and Center Stud (Jumper) Yellow Part 87580 Element 6126050 or 4565386 ×1

Trans-Clear 5 pieces

  • Brick Round 2 x 2 with Axle Hole Trans-Clear Part 3941 Element 6514281 or 6273152 ×1
  • Minifig Head [Plain] [Blocked Open Stud] Trans-Clear Part 3626b Element 6001581 or 3001140 ×4

White 3 pieces

  • Tile 2 x 2 with 1 Black Dot Print White Part 3068bpr0181 Element 4594374 ×1
  • Tile 2 x 2 with 2 Black Dots Print White Part 3068bpr0142 Element 4540383 ×1
  • Tile 2 x 2 with 3 Black Dots Print White Part 3068bpr0143 Element 4540387 ×1

Dark Red 2 pieces

  • Microfig Hogwarts Albus Dumbledore Dark Red Part 85863pr0047 Element 6023465 or 4594560 ×1
  • Tile 2 x 2 with Groove Dark Red Part 3068b Element 4539105 or 4177046 ×1

Trans-Orange 2 pieces

  • Plate 1 x 2 Trans-Orange Part 3023 Element 6514005 or 6240217 ×2

Dark Brown 1 piece

  • Animal, Cat, Kitten Crouching [Plain] Dark Brown Part 6251 Element 4594311 ×1

Trans-Dark Blue 1 piece

  • Cone 1 x 1 [Top Groove] Trans-Dark Blue Part 59900 Element 6514018 or 6301313 ×1

Trans-Green 1 piece

  • Cone 1 x 1 [Top Groove] Trans-Green Part 59900 Element 6301316 or 4567333 ×1

Trans-Red 1 piece

  • Cone 1 x 1 [Top Groove] Trans-Red Part 59900 Element 6514021 or 6337596 ×1

Trans-Yellow 1 piece

  • Cone 1 x 1 [Top Groove] Trans-Yellow Part 59900 Element 6514022 or 6337597 ×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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