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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.

BIONICLE Tahu and Takua

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40581 BIONICLE Tahu and Takua

219 pieces in 93 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

Plates Special 55 pieces

  • Plate Special 1 x 1 Rounded with Handle Black Part 26047 Element 6157554 ×2
  • Plate Special 1 x 2 Side Handle [Free Ends] Black Part 2540 Element 4140588 or 254026 ×2
  • Plate Special 1 x 2 with Handle on End [Closed Ends] Black Part 60478 Element 4515368 ×4
  • Plate Special 1 x 2 with Handles [Flat Ends / Low Attachment] Black Part 3839b Element 383926 ×1
  • Plate Special 2 x 2 with Towball and Hole Black Part 15456 Element 6448318 or 6359224 ×1
  • Plate Special Round 1 x 1 with Hollow Stud and Horizontal Bar 1L Black Part 32828 Element 6196548 2 spares in the box ×6
  • Plate Special 2 x 2 with Groove and Center Stud (Jumper) Dark Azure Part 87580 Element 6029163 ×1
  • Plate Special / Shield Rectangular with 4 Studs, Handle Dark Bluish Gray Part 30166 Element 6258991 ×2
  • Plate Special 1 x 2 5.9mm Centre Side Towball Socket Dark Bluish Gray Part 14704 Element 6414562 or 6360823 ×1
  • Plate Special 1 x 2 with 5.9mm Centre Side Towball Dark Bluish Gray Part 14417 Element 6414560 or 6338160 ×3
  • Plate Special 1 x 2 with 5.9mm Towball Socket and Towball Dark Bluish Gray Part 14419 Element 6414554 or 6338166 ×2
  • Plate Special 1 x 2 with End Towball Dark Bluish Gray Part 22890 Element 6370802 or 6338168 ×3
  • Plate Special 1 x 2 5.9mm Centre Side Towball Socket Light Bluish Gray Part 14704 Element 6414561 or 6338165 ×4
  • Plate Special 1 x 2 5.9mm Towball Socket Light Bluish Gray Part 14418 Element 6414556 or 6338163 ×4
  • Plate Special 2 x 2 x 2/3 with Two Studs On Side and Two Raised [Solid Anti-stud] Light Bluish Gray Part 99206 Element 4654577 ×2
  • Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper) Medium Azure Part 15573 Element 6603587 or 6331949 ×1
  • Plate Special 2 x 6 x 2/3 with 4 Studs on Side, 3 Support Walls on Bottom Medium Azure Part 72132 Element 6430552 ×2
  • Bracket 1 x 2 - 1 x 2 Orange Part 99781 Element 6193782 ×2
  • Plate Special 1 x 1 with Clip Horizontal [Thick Open O Clip] Orange Part 61252 Element 6347295 or 4593773 ×3
  • Plate Special 1 x 1 with Clip Horizontal [Thick Open O Clip] Red Part 61252 Element 6335377 or 4524644 ×1
  • Plate Special 1 x 1 with Clip Vertical [Thick Open O Clip] Red Part 60897 Element 6337002 or 4588003 ×1
  • Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper) Red Part 15573 Element 6092565 ×2
  • Plate Special 1 x 2 with Door Rail Red Part 32028 Element 4612575 or 4239063 ×2
  • Plate Special Round 2 x 2 with Center Stud (Jumper Plate) Red Part 18674 Element 6132541 ×1
  • Bracket 1 x 2 - 1 x 2 Inverted Yellow Part 99780 Element 6057458 ×2

Plates 41 pieces

  • Plate 1 x 2 Bright Light Orange Part 3023 Element 6028736 or 4645043 ×6
  • Plate 2 x 2 Bright Light Orange Part 3022 Element 6003033 or 4645047 ×4
  • Plate 1 x 1 Dark Bluish Gray Part 3024 Element 4210719 1 spare in the box ×4
  • Plate 1 x 2 Dark Bluish Gray Part 3023 Element 4211063 ×10
  • Plate 2 x 6 Dark Bluish Gray Part 3795 Element 4211002 ×1
  • Plate 2 x 3 Dark Tan Part 3021 Element 6035540 or 6015192 ×2
  • Plate 2 x 3 Medium Azure Part 3021 Element 6604733 or 6013828 ×1
  • Plate 2 x 4 Orange Part 3020 Element 4158355 or 4122468 ×2
  • Plate 1 x 3 Red Part 3623 Element 362321 ×1
  • Plate 2 x 2 Red Part 3022 Element 4613974 or 302221 ×2
  • Plate 2 x 2 Corner Red Part 2420 Element 242071 or 242021 ×2
  • Plate 2 x 3 Red Part 3021 Element 302121 ×4
  • Plate 1 x 2 Trans-Dark Pink Part 3023 Element 6514008 or 6240228 ×1
  • Plate 1 x 2 Trans-Yellow Part 3023 Element 6514002 or 6240211 ×1

Bricks Curved 31 pieces

  • Brick Curved 3 x 1 No Studs Black Part 50950 Element 4251161 ×16
  • Brick Curved Inverted 2 x 2 x 2/3 Dark Azure Part 32803 Element 6382585 ×1
  • Brick Curved 2 x 2 x 2/3 with Takua Mask Print Medium Azure Part 15068pr0068 Element 6422729 ×1
  • Brick Curved 2 x 1 No Studs [1/2 Bow] Orange Part 11477 Element 6055069 ×2
  • Brick Curved 2 x 2 x 2/3 Orange Part 15068 Element 6067913 ×2
  • Brick Arch 1 x 3 x 2 Curved Top Red Part 6005 Element 6212012 or 4631357 ×2
  • Brick Curved 1 x 2 x 1 1/3 with Curved Top Red Part 6091 Element 6184782 or 609121 ×2
  • Brick Curved 2 x 2 x 2/3 with Tahu Mask Print Red Part 15068pr0069 Element 6422728 ×1
  • Brick Curved Inverted 2 x 1 Red Part 24201 Element 6186398 ×4

Bricks Sloped 19 pieces

  • Brick Sloped 30° 1 x 2 x 2/3 Dark Bluish Gray Part 85984 Element 4567887 ×1
  • Brick Sloped 30° 1 x 2 x 2/3 Light Bluish Gray Part 85984 Element 4568637 ×1
  • Brick Sloped 30° 1 x 2 x 2/3 Medium Azure Part 85984 Element 6097444 ×1
  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Orange Part 54200 Element 4504371 or 4248195 1 spare in the box Also in Trans-Orange ×3
  • Brick Sloped Inverted 45° 2 x 1 Orange Part 3665 Element 4616279 or 4515954 ×2
  • Brick Sloped 30° 1 x 2 x 2/3 Red Part 85984 Element 4651524 ×2
  • Brick Sloped 65° 2 x 2 x 2 with Bottom Tube Red Part 3678b Element 4251818 or 4234526 ×2
  • Brick Sloped Inverted 45° 4 x 2 Double with 2 x 2 Recessed Red Part 4871 Element 487121 ×1
  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Trans-Orange Part 54200 Element 6245265 or 4244369 Also in Orange ×4
  • Brick Sloped 45° 2 x 1 with Bottom Pin Trans-Orange Part 3040b Element 6507935 or 6219825 ×2

Tiles Special 16 pieces

  • Tile Special 1 x 1 with Clip with Rounded Edges Bright Light Orange Part 15712 Element 6294578 or 6262140 ×4
  • Tile 45° Cut 2 x 2 (Triangle) Dark Bluish Gray Part 35787 Element 6262025 ×2
  • Tile Special 1 x 1 with Clip with Rounded Edges Dark Bluish Gray Part 15712 Element 6344022 or 6071226 ×2
  • Tile Special 2 x 2 with Top Pin [Squared Holes] Dark Bluish Gray Part 49153 Element 6313189 ×2
  • Tile Special 2 x 3 Pentagonal Dark Tan Part 22385 Element 6406356 ×2
  • Tile Special 1 x 2 with Sloped Walls AKA Money / Gold Bar [Ingot] Orange Part 99563 Element 6149656 ×2
  • Tile Special 1 x 2 with Sloped Walls AKA Money / Gold Bar [Ingot] Red Part 99563 Element 6394880 ×2

Bricks Special 11 pieces

  • Brick Special 1 x 1 with Studs on 2 Sides Dark Bluish Gray Part 47905 Element 4213574 ×2
  • Brick Special 1 x 2 with Studs on 2 Sides Light Bluish Gray Part 52107 Element 4657459 ×1
  • Brick Special 1 x 2 with 2 Studs on 1 Side Orange Part 11211 Element 6223454 ×8

Plates Round Curved and Dishes 10 pieces

  • Plate Round 4 x 4 with Pin Hole Dark Tan Part 60474 Element 6232138 ×2
  • Plate Round 1 x 1 with Open Stud Red Part 85861 Element 6223427 2 spares in the box ×4
  • Plate Round 1 x 1 with Solid Stud Trans-Orange Part 6141 Element 6514059 or 6240227 1 spare in the box ×4

Plates Wedged 8 pieces

  • Wedge Plate 6 x 2 Left Dark Tan Part 78443 Element 6385281 ×2
  • Wedge Plate 6 x 2 Right Dark Tan Part 78444 Element 6385280 ×2
  • Wedge Plate 3 x 2 Left Orange Part 43723 Element 4180540 ×2
  • Wedge Plate 3 x 2 Right Orange Part 43722 Element 4180512 ×2

Bricks Wedged 6 pieces

  • Brick Wedged, Curved 1 x 2 x 2/3 No Studs, Wing End Red Part 47458 Element 6375708 or 4220516 ×2
  • Brick Wedged, Curved 2 x 1 with Stud Notch Left Red Part 29120 Element 6177505 ×1
  • Brick Wedged, Curved 2 x 1 with Stud Notch Right Red Part 29119 Element 6177507 ×1
  • Brick Wedged, Curved 2 x 3 x 2/3 Two Studs, Wing End Red Part 47456 Element 6143425 or 4614777 ×2

Tiles Round and Curved 5 pieces

  • Tile Round 3 x 3 Black Part 67095 Element 6376695 ×1
  • Tile Round 1 x 1 Half Circle Yellow Part 24246 Element 6300104 1 spare in the box ×4

Bricks 3 pieces

  • Brick 1 x 4 Orange Part 3010 Element 4118827 ×2
  • Brick 2 x 6 Orange Part 2456 Element 6382506 or 4278087 ×1

Hinges, Arms and Turntables 2 pieces

  • Hinge Plate 1 x 4 Swivel Top / Base - Hollow Clip [Complete Assembly] Dark Bluish Gray Part 1927 Element 6416526 ×2

Technic Bricks 2 pieces

  • Technic Brick Special 1 x 2 with Pin Hole and 1 x 2 Plate Red Part 73109 Element 6385920 ×2

Technic Connectors 2 pieces

  • Technic Pin Connector Plate 1 x 2 x 1 2/3 [Two Holes On Top] Yellow Part 32530 Element 6247387 or 3253024 ×2

Technic Pins 2 pieces

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

Bars, Ladders and Fences 1 piece

  • Bar 2L with Stop in Center Black Part 78258 Element 6371584 1 spare in the box ×1

Bricks Round and Cones 1 piece

  • Cone 1 x 1 Inverted with Bar at Bottom (Ice Cream Cone) Black Part 11610 Element 6538443 or 6056234 ×1

Energy Effects 1 piece

  • Wave / Flame Rounded Large with Marbled Trans-Yellow Pattern Trans-Red Part 85959pat0003 Element 6513987 or 6172283 ×1

Minifig Accessories 1 piece

  • Food Egg with 1.5mm Hole [Plain] Tan Part 24946 Element 6264077 ×1

Minifig Shields, Weapons, & Tools 1 piece

  • Weapon Lightsaber Hilt with Bottom Ring Black Part 64567 Element 4614712 or 4598897 1 spare in the box ×1

Technic Special 1 piece

  • Technic Ball Joint Black Part 32474 Element 4290713 or 4143539 ×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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