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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.

Fish Tank

Checking

5009626 Fish Tank

150 pieces in 70 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.

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

Dark Tan 39 pieces

  • Brick 1 x 2 Dark Tan Part 3004 Element 4521914 or 4497069 ×2
  • Brick 1 x 4 Dark Tan Part 3010 Element 6001822 or 4497072 ×2
  • Brick 2 x 4 Dark Tan Part 3001 Element 4497066 or 4247145 ×6
  • Brick Arch 1 x 4 Dark Tan Part 3659 Element 6310832 or 4596218 ×3
  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Dark Tan Part 54200 Element 6040126 or 6015451 1 spare in the box ×6
  • Brick Sloped 45° 2 x 2 Dark Tan Part 3039 Element 6184880 ×4
  • Brick Wedged, Sloped 4 x 2 Triple Left Dark Tan Part 43710 Element 6268577 or 6004711 ×3
  • Brick Wedged, Sloped 4 x 2 Triple Right Dark Tan Part 43711 Element 6268578 or 6004712 ×3
  • Plate 1 x 4 Dark Tan Part 3710 Element 4626904 or 4497088 ×1
  • Plate 2 x 4 Dark Tan Part 3020 Element 4497077 or 4267874 ×4
  • Plate Round 1 x 1 with Open Stud Dark Tan Part 85861 Element 6300322 1 spare in the box ×1
  • Wedge Plate 2 x 2 Cut Corner Dark Tan Part 26601 Element 6228921 ×4

Black 29 pieces

  • Bracket 1 x 1 - 1 x 1 Inverted Black Part 36840 Element 6234695 ×1
  • Brick Curved 1 x 2 x 1 No Studs Black Part 37352 Element 6275732 ×2
  • Brick Round Corner 4 x 4 Macaroni Wide with 3 Studs Black Part 48092 Element 6252902 or 6173190 ×8
  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Black Part 54200 Element 4504382 or 4287159 1 spare in the box Also in Dark Bluish Gray ×1
  • Brick Special 1 x 2 with Studs on 2 Sides Black Part 52107 Element 4253815 ×1
  • Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) Black Part 4032a Element 403226 ×4
  • Plate Round 8 x 8 Black Part 74611 Element 6393938 ×4
  • Plate Special 2 x 2 x 2/3 with Axle Hole and Grill on Sides (Haybale) Black Part 71752 Element 6325254 ×1
  • Technic Beam 1 x 2 Thin Black Part 41677 Element 6338428 or 4167726 ×2
  • Technic Beam 3 x 0.5 Liftarm with Boss and Blocked, Squared Pin Hole Black Part 61408 Element 6313520 ×1
  • Technic Brick 1 x 2 [1 Pin Hole] Black Part 3700 Element 370026 ×1
  • Technic Gear 20 Tooth Double Bevel with Axle Hole Type 1 [+ Opening] Black Part 18575 Element 6346535 or 6093977 ×2
  • Technic Pin Connector Round 1L [Beam] Black Part 18654 Element 6121485 1 spare in the box ×1

Light Bluish Gray 18 pieces

  • Brick 1 x 1 Light Bluish Gray Part 3005 Element 4211389 ×4
  • Brick 1 x 3 Light Bluish Gray Part 3622 Element 4211428 ×2
  • Brick Sloped 18° 4 x 2 Light Bluish Gray Part 30363 Element 4509915 or 4211618 ×2
  • Plate 4 x 4 Light Bluish Gray Part 3031 Element 4243797 or 4211403 ×2
  • Plate 8 x 8 Light Bluish Gray Part 41539 Element 4166618 ×1
  • Plate Round 1 x 1 with Solid Stud Light Bluish Gray Part 6141 Element 4211525 1 spare in the box ×3
  • Plate Special 1 x 1 x 2/3 Half Round with Side Stud Light Bluish Gray Part 3386 Element 6448793 ×2
  • Tile Special 2 x 2 Corner with Cut Corner - Facet Light Bluish Gray Part 27263 Element 6177078 ×2

Blue 8 pieces

  • Brick Curved 2 x 1 No Studs [1/2 Bow] Blue Part 11477 Element 6055065 ×2
  • Brick Special 1 x 1 with Headlight Blue Part 4070 Element 407023 ×1
  • Brick Special 1 x 1 x 1 2/3 with Studs on 1 Side Blue Part 32952 Element 6290531 ×2
  • Technic Brick 1 x 6 [5 Pin Holes] Blue Part 3894 Element 389423 ×3

Yellow 8 pieces

  • Brick Curved 2 x 1 No Studs [1/2 Bow] Yellow Part 11477 Element 6029947 ×1
  • Brick Special 1 x 2 x 1 2/3 with 4 Studs on 1 Side Yellow Part 22885 Element 6313592 ×6
  • Plate 1 x 1 Yellow Part 3024 Element 302424 1 spare in the box ×1

Red 7 pieces

  • Brick 1 x 4 Red Part 3010 Element 301021 ×3
  • Brick Wedged, Curved 2 x 1 with Stud Notch Right Red Part 29119 Element 6177507 ×2
  • Technic Axle 2 Notched Red Part 32062 Element 4142865 ×2

Green 5 pieces

  • Plate 1 x 2 Green Part 3023 Element 302328 ×2
  • Technic Axle Connector Smooth [with x Hole + Orientation] Green Part 59443 Element 6374076 or 4654508 ×1
  • Weapon Bladed Claw Spread Green Part 10187 Element 6329651 1 spare in the box ×2

Dark Azure 4 pieces

  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Dark Azure Part 54200 Element 6133838 1 spare in the box ×2
  • Plate 1 x 2 Dark Azure Part 3023 Element 4653988 ×1
  • Technic Brick 1 x 1 with Axle Hole Dark Azure Part 73230 Element 6446031 ×1

Orange 4 pieces

  • Food Cupcake with Stud Orange Part 79743 Element 6510513 ×1
  • Plant, Flower, Peony Rose with 2 Layers Orange Part 5904 Element 6550815 or 6515227 ×1
  • Plate Special 1 x 1 with Clip Vertical [Thick Open O Clip] Orange Part 60897 Element 6352223 or 6055326 ×2

Tan 4 pieces

  • Plate Round 6 x 6 with Hole Tan Part 11213 Element 6093862 ×1
  • Plate Special Round 1 x 1 with Hollow Stud and Horizontal Bar 1L Tan Part 32828 Element 6286492 1 spare in the box ×2
  • Tile Special Round 2 x 2 with Hole Tan Part 15535 Element 6115248 ×1

Trans-Clear 4 pieces

  • Panel 4 x 4 x 6 Quarter Cylinder Trans-Clear Part 30562 Element 6514096 or 6236111 ×4

Dark Bluish Gray 3 pieces

  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Dark Bluish Gray Part 54200 Element 4504378 or 4244373 1 spare in the box Also in Black ×1
  • Technic Axle 4 with Stop Dark Bluish Gray Part 87083 Element 6083620 or 4560177 ×1
  • Tile Special Round 1 x 1 with Hollow Bar Dark Bluish Gray Part 20482 Element 6271752 1 spare in the box ×1

Bright Light Blue 2 pieces

  • Bracket 1 x 1 - 1 x 1 Bright Light Blue Part 36841 Element 6383096 ×1
  • Brick Special 1 x 1 with Stud on 1 Side Bright Light Blue Part 87087 Element 6383074 ×1

Dark Green 2 pieces

  • Plate Round 1 x 1 with Open Stud Dark Green Part 85861 Element 6230571 1 spare in the box ×2

Dark Purple 2 pieces

  • Animal Body Part, Horn (Cattle) / Tentacle / Vine / Branch / Tongue - Long Dark Purple Part 13564 Element 6430673 1 spare in the box ×2

Dark Red 2 pieces

  • Plant, Flower, Plate Round 1 x 1 with 5 Petals Dark Red Part 24866 Element 6458394 1 spare in the box ×2

Magenta 2 pieces

  • Cone 1 x 1 [Top Groove] Magenta Part 59900 Element 6003007 ×2

Medium Azure 2 pieces

  • Plate 1 x 6 Medium Azure Part 3666 Element 6603312 or 4625036 ×2

White 2 pieces

  • Tile Round 1 x 1 with Offset Black Eye Print White Part 98138pr0008 Element 6284599 or 6029156 1 spare in the box ×2

Bright Light Orange 1 piece

  • Tile Special Round 1 x 1 with Hollow Bar Bright Light Orange Part 20482 Element 6223719 1 spare in the box ×1

Olive Green 1 piece

  • Plant, with Bar and Off-shoot with Stud Olive Green Part 1566 Element 6426470 ×1

Reddish Brown 1 piece

  • Technic Axle 5 with Stop Reddish Brown Part 15462 Element 6159763 ×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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