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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.

Hogwarts Gryffindor Dorms

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40452 Hogwarts Gryffindor Dorms

136 pieces in 51 part and color combinations, plus 2 minifigures.

LEGO counts 148 pieces. This inventory comes from a separate parts catalog and lists 144, including the 8 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.

Look-alike colors in this set

These parts appear in this set in two colors that are easy to confuse. If you are one short in one color, check whether it went in where the other color belongs. Each color has its own element ID in the parts list at the back of the instructions.

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Piece checklist

Bricks 29 pieces

  • Brick 1 x 1 Medium Nougat Part 3005 Element 6057986 or 4569624 ×9
  • Brick 1 x 16 Tan Part 2465 Element 4295313 or 4165812 ×1
  • Brick 1 x 2 Tan Part 3004 Element 4109995 or 300405 ×6
  • Brick 1 x 3 Tan Part 3622 Element 4162465 or 4113920 ×6
  • Brick 1 x 6 Tan Part 3009 Element 4112982 or 300905 ×2
  • Brick 2 x 2 Corner Tan Part 2357 Element 4124455 or 4112541 ×5

Plates Special 29 pieces

  • Plate Special 2 x 8 with Door Rail Black Part 30586 Element 6161298 ×2
  • Plate Special 2 x 2 with Groove and Center Stud (Jumper) Dark Red Part 87580 Element 4613761 ×1
  • Plate Special 1 x 4 with 2 Studs with Groove [New Underside] Dark Tan Part 41740 Element 6257599 ×4
  • Plate Special 2 x 2 with Groove and Center Stud (Jumper) Dark Tan Part 87580 Element 6126075 or 4578032 ×4
  • Plate Special 2 x 2 with Groove and Center Stud (Jumper) Orange Part 87580 Element 6126063 or 6013635 ×1
  • Plate Special 1 x 2 with Handles [Flat Ends / Low Attachment] Pearl Gold Part 3839b Element 6337403 ×8
  • Plate Special Round 1 x 1 with Hollow Stud and Horizontal Bar 1L Pearl Gold Part 32828 Element 6335111 1 spare in the box ×1
  • Bracket 1 x 2 - 1 x 2 Inverted Reddish Brown Part 99780 Element 6174856 ×8

Tiles 22 pieces

  • Tile 1 x 8 with Groove Black Part 4162 Element 416226 ×1
  • Tile 2 x 4 with Groove Dark Red Part 87079 Element 6186003 ×2
  • Tile 1 x 2 with Groove Dark Tan Part 3069b Element 4496699 ×2
  • Tile 1 x 6 with Groove Dark Tan Part 6636 Element 4507047 or 4251129 ×4
  • Tile 2 x 2 with Groove Dark Tan Part 3068b Element 4507045 or 4251986 ×4
  • Tile 2 x 2 with Groove Red Part 3068b Element 306821 ×2
  • Tile 1 x 4 with Groove Tan Part 2431 Element 4550324 or 4542398 ×2
  • Tile 1 x 8 with Groove Tan Part 4162 Element 4544139 or 4519964 ×2
  • Tile 1 x 2 with Groove White Part 3069b Element 6548264 or 306901 ×2
  • Tile 1 x 2 with Letter, Wax Seal Print White Part 3069bpr9989 Element 6299836 ×1

Plates 12 pieces

  • Plate 8 x 16 Dark Tan Part 92438 Element 4624163 ×1
  • Plate 1 x 1 Medium Nougat Part 3024 Element 6215606 or 4645054 1 spare in the box ×2
  • Plate 8 x 8 Medium Nougat Part 41539 Element 6133486 ×1
  • Plate 2 x 4 Red Part 3020 Element 302021 ×2
  • Plate 2 x 2 Reddish Brown Part 3022 Element 4613975 or 4216695 ×2
  • Plate 1 x 8 Tan Part 3460 Element 4114324 or 346005 ×4

Bricks Special 10 pieces

  • Brick Special 1 x 2 with Masonry Brick Profile Medium Nougat Part 98283 Element 4656783 ×3
  • Brick Special 1 x 1 with Scroll with Open Stud Tan Part 20310 Element 6114992 ×2
  • Brick Special 1 x 1 with Stud on 1 Side Tan Part 87087 Element 4579260 ×2
  • Brick Special 1 x 1 x 1 2/3 with Studs on 1 Side Tan Part 32952 Element 6232135 ×2
  • Brick Special 1 x 14 Grooved Tan Part 4217 Element 6349727 or 6057516 ×1

Minifig Shields, Weapons, & Tools 8 pieces

  • Weapon Lightsaber Hilt with Bottom Ring Pearl Gold Part 64567 Element 6003147 1 spare in the box ×8

Bars, Ladders and Fences 4 pieces

  • Fence Lattice 1 x 4 x 1 Reddish Brown Part 3633 Element 6192371 or 6052826 ×4

Technic Bricks 4 pieces

  • Technic Brick 1 x 1 with Pin Hole Light Bluish Gray Part 6541 Element 4211535 ×4

Tiles Special 4 pieces

  • Tile 45° Cut 2 x 2 (Triangle) Dark Red Part 35787 Element 6288635 ×2
  • Tile 45° Cut 2 x 2 (Triangle) Orange Part 35787 Element 6346092 ×2

Minifig Accessories 3 pieces

  • Equipment Wand [Individual] Dark Brown Part 36752a 1 spare in the box Also in Reddish Brown ×1
  • Equipment Wand [Individual] Reddish Brown Part 36752a 1 spare in the box Also in Dark Brown ×1
  • Equipment Candlestick White Part 37762 Element 6234807 ×1

Panels 3 pieces

  • Panel 1 x 4 x 5 with Arched Window Tan Part 60808 Element 6006789 ×1
  • Panel 1 x 6 x 7 with 2 Columns and Arch Tan Part 40066 Element 6273864 ×2

Bricks Sloped 2 pieces

  • Brick Sloped 30° 1 x 2 x 2/3 White Part 85984 Element 6550189 or 4547489 ×2

Containers 2 pieces

  • Treasure Chest Bottom with Rear Slots, No Groove Reddish Brown Part 4738c Element 4533101 ×1
  • Treasure Chest Lid [Thick Hinge] Reddish Brown Part 4739a Element 6254220 or 6167676 ×1

Technic Pins 2 pieces

  • Technic Pin without Friction Ridges Lengthwise Light Bluish Gray Part 3673 Element 4211807 or 3673194 1 spare in the box ×2

Animals / Creatures 1 piece

  • Animal, Frog Reddish Brown Part 33320 Element 6380263 or 6234347 ×1

Energy Effects 1 piece

  • Wave / Flame Small with Pin Trans-Orange Part 37775 Element 6514274 or 6357747 1 spare in the box ×1

Minifigures 2 figures

  • Ron Weasley, Dark Tan Sweater with Stripes, Short Legs Minifigure, checked as a whole figure ×1
  • Harry Potter, Open Red Flannel Shirt, Dark Bluish Grey Short Legs 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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