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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.

The Wooden Duck

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40501 The Wooden Duck

621 pieces in 163 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.

5 more look-alike pairs
  • Plate 2 x 4 Black ×1 Dark Blue ×7 Black is yellower and darker than Dark Blue.
  • Plate 4 x 6 Black ×1 Dark Blue ×3 Black is yellower and darker than Dark Blue.
  • Tile 1 x 2 with Groove Black ×9 Dark Blue ×4 Black is yellower and darker than Dark Blue.
  • Tile 2 x 2 with Groove Black ×43 Dark Blue ×22 Black is yellower and darker than Dark Blue.
  • Technic Beam 1 x 2 Thick with Pin Hole and Axle Hole Black ×4 Dark Bluish Gray ×4 Black is darker than Dark Bluish Gray.
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Piece checklist

Black 161 pieces

  • Bracket 1 x 1 - 1 x 1 Inverted Black Part 36840 Element 6234695 ×2
  • Bracket 1 x 2 - 1 x 2 Inverted Black Part 99780 Element 6020193 ×2
  • Bracket 1 x 2 - 1 x 4 [Rounded Corners at Bottom, Square Corners at Top] Black Part 28802 Element 6168620 ×2
  • Brick 1 x 1 x 3 Black Part 14716 Element 6065496 ×2
  • Brick 2 x 3 Black Part 3002 Element 300226 ×2
  • Brick 2 x 4 Black Part 3001 Element 300126 ×6
  • Brick Curved 2 x 1 No Studs [1/2 Bow] Black Part 11477 Element 6047276 ×5
  • Brick Sloped 18° 4 x 1 Black Part 60477 Element 4515362 ×2
  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Black Part 54200 Element 4504382 or 4287159 1 spare in the box ×3
  • Brick Sloped Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes] Black Part 3660 Element 366026 ×2
  • Brick Special 1 x 1 with Stud on 1 Side Black Part 87087 Element 4558954 ×1
  • Brick Special 1 x 1 x 1 2/3 with Studs on 1 Side Black Part 32952 Element 6228987 ×4
  • Brick Special 1 x 2 with 2 Studs on 1 Side Black Part 11211 Element 6138173 Also in Dark Blue ×1
  • Equipment Flotation Ring [Life Preserver] Black Part 30340 Element 6097072 or 4203611 ×1
  • Plate 1 x 1 Black Part 3024 Element 302426 2 spares in the box ×5
  • Plate 1 x 12 Black Part 60479 Element 4514845 ×4
  • Plate 1 x 2 Black Part 3023 Element 302326 Also in Dark Blue ×3
  • Plate 1 x 3 Black Part 3623 Element 362326 ×2
  • Plate 1 x 4 Black Part 3710 Element 371026 Also in Dark Blue ×5
  • Plate 1 x 6 Black Part 3666 Element 366626 Also in Dark Blue ×7
  • Plate 2 x 2 Corner Black Part 2420 Element 242026 Also in Dark Blue ×4
  • Plate 2 x 3 Black Part 3021 Element 302126 Also in Dark Blue ×4
  • Plate 2 x 4 Black Part 3020 Element 302026 Also in Dark Blue ×1
  • Plate 2 x 6 Black Part 3795 Element 379526 ×2
  • Plate 2 x 8 Black Part 3034 Element 303426 ×1
  • Plate 3 x 3 Black Part 11212 Element 6174917 ×5
  • Plate 4 x 6 Black Part 3032 Element 303226 Also in Dark Blue ×1
  • Plate 8 x 16 Black Part 92438 Element 6094066 ×2
  • Plate Round 6 x 6 with Hole Black Part 11213 Element 6187587 ×2
  • Plate Round Half 3 x 6 with 1 x 2 Cutout Black Part 18646 Element 6138405 ×2
  • Plate Special 1 x 2 Rounded with 2 Open Studs Black Part 35480 Element 6210270 ×2
  • Plate Special 2 x 2 with 1 Pin Hole [Complete Underside Rib] Black Part 10247 Element 6061032 ×2
  • Plate Special 2 x 2 with Groove and Center Stud (Jumper) Black Part 87580 Element 6663108 or 4565323 ×2
  • Plate Special 2 x 2 x 2/3 with Two Studs On Side and Two Raised [Solid Anti-stud] Black Part 99206 Element 6052126 ×1
  • String with End Studs 41L Overall Black Part 14226c41 Element 6096957 or 6074034 ×1
  • Technic Beam 1 x 2 Thick with Pin Hole and Axle Hole Black Part 60483 Element 6265091 or 6006140 Also in Dark Bluish Gray ×4
  • Technic Beam 1 x 3 Thin Black Part 6632 Element 6331723 or 4107828 ×2
  • Technic Beam 3 x 3 L-Shape with Quarter Ellipse Thin Black Part 32249 Element 6336619 or 4505842 ×2
  • Tile 1 x 2 with Groove Black Part 3069b Element 306926 Also in Dark Blue ×9
  • Tile 1 x 4 with Groove Black Part 2431 Element 243126 ×4
  • Tile 1 x 8 with 'LEGO® House' Print Black Part 4162pr0036 Element 6089148 ×1
  • Tile 1 x 8 with 'The Wooden Duck' Print Black Part 4162pr0006 Element 6313781 ×1
  • Tile 2 x 2 with Groove Black Part 3068b Element 306826 Also in Dark Blue ×43
  • Tile Round 2 x 2 with White Eye Print Black Part 14769pr1163 Element 6313780 ×2

Dark Blue 110 pieces

  • Brick 1 x 1 Dark Blue Part 3005 Element 6554189 or 4255413 ×4
  • Brick 1 x 16 Dark Blue Part 2465 Element 6258407 ×2
  • Brick 1 x 2 Dark Blue Part 3004 Element 4249891 ×10
  • Brick 1 x 6 Dark Blue Part 3009 Element 6554211 or 6221672 ×2
  • Brick Curved 4 x 1 Double, No Studs Dark Blue Part 93273 Element 6037886 ×4
  • Brick Sloped 30° 1 x 2 x 2/3 Dark Blue Part 85984 Element 6554210 or 6216905 ×2
  • Brick Sloped Inverted 45° 2 x 1 Dark Blue Part 3665 Element 6554200 or 6097498 ×16
  • Brick Special 1 x 2 with 2 Studs on 1 Side Dark Blue Part 11211 Element 6554205 or 6135606 Also in Black ×3
  • Dish 6 x 6 Inverted (Radar) with Solid Studs Dark Blue Part 44375b Element 6116265 ×2
  • Plate 1 x 10 Dark Blue Part 4477 Element 6200663 ×5
  • Plate 1 x 2 Dark Blue Part 3023 Element 6554191 or 4528981 Also in Black ×3
  • Plate 1 x 4 Dark Blue Part 3710 Element 4502089 or 4177739 Also in Black ×5
  • Plate 1 x 6 Dark Blue Part 3666 Element 4508313 or 4177734 Also in Black ×1
  • Plate 2 x 16 Dark Blue Part 4282 Element 6120642 or 4595189 ×2
  • Plate 2 x 2 Dark Blue Part 3022 Element 6037890 or 4528982 ×3
  • Plate 2 x 2 Corner Dark Blue Part 2420 Element 4528482 or 4252046 Also in Black ×1
  • Plate 2 x 3 Dark Blue Part 3021 Element 6554192 or 4530028 Also in Black ×1
  • Plate 2 x 4 Dark Blue Part 3020 Element 6554194 or 4667595 Also in Black ×7
  • Plate 4 x 6 Dark Blue Part 3032 Element 6037887 or 4252314 Also in Black ×3
  • Plate 6 x 10 Dark Blue Part 3033 Element 6200659 or 4512719 ×1
  • Technic Beam 1 x 11 Thick Dark Blue Part 32525 Element 6151077 or 6059006 ×1
  • Tile 1 x 2 with Groove Dark Blue Part 3069b Element 6554190 or 4528488 Also in Black ×4
  • Tile 1 x 3 Dark Blue Part 63864 Element 6554203 or 6132566 ×2
  • Tile 2 x 2 with Groove Dark Blue Part 3068b Element 4205004 Also in Black ×22
  • Tile 2 x 3 Dark Blue Part 26603 Element 6186974 ×4

Dark Red 82 pieces

  • Brick 1 x 1 Dark Red Part 3005 Element 4541376 or 4209383 ×3
  • Brick 1 x 2 Dark Red Part 3004 Element 4539102 or 4163454 ×4
  • Brick 1 x 2 x 2 with Inside Stud Holder Dark Red Part 3245c Element 6212084 ×3
  • Brick 1 x 4 Dark Red Part 3010 Element 6097586 or 6052777 ×2
  • Brick 1 x 6 Dark Red Part 3009 Element 4541528 or 4223789 ×4
  • Brick 2 x 2 Corner Dark Red Part 2357 Element 4541379 or 4248771 ×7
  • Brick Curved 2 x 1 No Studs [1/2 Bow] Dark Red Part 11477 Element 6173168 ×3
  • Brick Curved 3 x 1 No Studs Dark Red Part 50950 Element 4541546 or 4258311 ×3
  • Brick Curved 4 x 1 No Studs [Stud Holder with Symmetric Ridges] Dark Red Part 11153 Element 6042953 ×12
  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Dark Red Part 54200 Element 4539079 or 4531415 1 spare in the box ×3
  • Brick Special 1 x 1 with Stud on 1 Side Dark Red Part 87087 Element 6212007 or 4651677 ×6
  • Plate 1 x 10 Dark Red Part 4477 Element 6037995 ×2
  • Plate 1 x 2 Dark Red Part 3023 Element 4539097 or 4162582 ×3
  • Plate 1 x 3 Dark Red Part 3623 Element 4539076 or 4164223 ×15
  • Plate 1 x 4 Dark Red Part 3710 Element 4539061 or 4164219 ×5
  • Plate 1 x 8 Dark Red Part 3460 Element 4541507 or 4529027 ×3
  • Plate 2 x 4 Dark Red Part 3020 Element 4539071 or 4528320 ×3
  • Plate 2 x 8 Dark Red Part 3034 Element 6152321 or 4163456 ×1

Dark Green 78 pieces

  • Brick 1 x 1 Dark Green Part 3005 Element 6618073 or 4521915 ×4
  • Brick 1 x 4 Dark Green Part 3010 Element 6618074 or 4245571 ×6
  • Brick Curved 3 x 1 No Studs Dark Green Part 50950 Element 4267850 ×8
  • Brick Sloped 33° 3 x 1 Dark Green Part 4286 Element 6168573 or 4612733 ×2
  • Brick Sloped 75° 2 x 1 x 3 with Hollow Stud Dark Green Part 4460b Element 6055224 ×2
  • Brick Special 1 x 1 x 1 2/3 with Studs on 1 Side Dark Green Part 32952 Element 6252591 ×8
  • Plate 1 x 1 Dark Green Part 3024 Element 6618077 or 6055169 1 spare in the box ×8
  • Plate 1 x 2 Dark Green Part 3023 Element 6618076 or 6013797 ×16
  • Plate 1 x 3 Dark Green Part 3623 Element 6618081 or 6013975 ×4
  • Plate 1 x 4 Dark Green Part 3710 Element 6618083 or 6020923 ×12
  • Plate 1 x 6 Dark Green Part 3666 Element 6618082 or 4245566 ×4
  • Plate 2 x 4 Dark Green Part 3020 Element 6618075 or 4586057 ×2
  • Tile 1 x 1 with Groove Dark Green Part 3070b Element 6618080 or 6055171 1 spare in the box ×2

Bright Light Orange 37 pieces

  • Brick 1 x 3 Bright Light Orange Part 3622 Element 6061688 or 4490696 ×1
  • Brick 2 x 2 Corner Bright Light Orange Part 2357 Element 6034175 or 6020096 ×4
  • Brick Curved 2 x 1 No Studs [1/2 Bow] Bright Light Orange Part 11477 Element 6099728 ×3
  • Brick Curved 2 x 2 x 2/3 Bright Light Orange Part 15068 Element 6099730 ×1
  • Brick Curved Inverted 2 x 1 Bright Light Orange Part 24201 Element 6145215 ×2
  • Brick Sloped 30° 1 x 2 x 2/3 Bright Light Orange Part 85984 Element 6024286 or 6020097 ×2
  • Plate 1 x 2 Bright Light Orange Part 3023 Element 6028736 or 4645043 ×2
  • Plate 1 x 3 Bright Light Orange Part 3623 Element 6073042 or 4645045 ×4
  • Plate 2 x 3 Bright Light Orange Part 3021 Element 6097503 or 4645048 ×7
  • Plate 2 x 4 Bright Light Orange Part 3020 Element 6097511 ×2
  • Plate 2 x 6 Bright Light Orange Part 3795 Element 6097509 ×1
  • Plate 2 x 8 Bright Light Orange Part 3034 Element 6133817 ×1
  • Plate Special 1 x 2 with Pin Hole on Top Bright Light Orange Part 11458 Element 6310196 ×2
  • Tile 1 x 3 Bright Light Orange Part 63864 Element 6099725 ×2
  • Tile 2 x 4 with Groove Bright Light Orange Part 87079 Element 4621543 ×3

Red 37 pieces

  • Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) Red Part 4032a Element 403221 ×4
  • Plate Round 4 x 4 with 2 x 2 Round Opening Red Part 11833 Element 6314067 ×4
  • Plate Round 4 x 4 with Pin Hole Red Part 60474 Element 4515348 ×8
  • Technic Axle 6 Red Part 3706 Element 6130002 or 4191526 ×1
  • Tile 2 x 2 Curved, Macaroni Red Part 27925 Element 6310198 ×16
  • Tile Round 2 x 2 with Bottom Stud Holder Red Part 14769 Element 6066342 ×4

White 20 pieces

  • Brick Curved Inverted 2 x 2 x 2/3 White Part 32803 Element 6210385 ×1
  • Plate 1 x 2 White Part 3023 Element 6552100 or 6548261 ×4
  • Plate 3 x 3 White Part 11212 Element 6552153 or 6104805 ×7
  • Plate Special 1 x 3 with 2 Studs with Groove and Inside Stud Holder (Jumper) White Part 34103 Element 6550171 or 6195371 ×1
  • Technic Beam 1 x 13 Thick White Part 41239 Element 6634561 or 4620671 ×1
  • Technic Beam 1 x 2 Thin White Part 41677 Element 6371416 or 4163533 ×4
  • Tile 1 x 2 with Groove White Part 3069b Element 6548264 or 306901 ×2

Yellow 18 pieces

  • Brick Curved Inverted 4 x 1 Yellow Part 13547 Element 6146298 ×3
  • Brick Sloped Inverted 45° 2 x 1 Yellow Part 3665 Element 366524 ×3
  • Plate 1 x 1 Yellow Part 3024 Element 302424 1 spare in the box ×1
  • Plate 1 x 2 Yellow Part 3023 Element 302324 ×2
  • Plate 1 x 4 Yellow Part 3710 Element 371024 ×3
  • Plate 2 x 2 Yellow Part 3022 Element 4613978 or 302224 ×1
  • Plate 2 x 4 Yellow Part 3020 Element 302024 ×3
  • Technic Axle 5 Yellow Part 32073 Element 6130008 ×2

Orange 9 pieces

  • Brick 1 x 1 Orange Part 3005 Element 4173805 or 4119645 ×4
  • Brick 2 x 3 Orange Part 3002 Element 4153826 or 4125971 ×2
  • Plate 1 x 6 Orange Part 3666 Element 4173332 or 4122466 ×1
  • Tile Special 1 x 2 with Sloped Walls AKA Money / Gold Bar [Ingot] Orange Part 99563 Element 6149656 ×2

Blue 8 pieces

  • Technic Pin Long with Friction Ridges Lengthwise, 2 Center Slots Blue Part 6558 Element 4514553 ×8

Dark Bluish Gray 8 pieces

  • Technic Beam 1 x 2 Thick with Pin Hole and Axle Hole Dark Bluish Gray Part 60483 Element 6265093 or 6006141 Also in Black ×4
  • Technic Brick 1 x 2 [2 Pin Holes] Dark Bluish Gray Part 32000 Element 4210762 ×4

Medium Azure 8 pieces

  • Plate 1 x 4 Medium Azure Part 3710 Element 6603965 or 6070757 ×4
  • Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) Medium Azure Part 4032a Element 6109752 ×4

Sand Green 7 pieces

  • Plate 1 x 3 Sand Green Part 3623 Element 6069257 or 4642427 ×5
  • Tile 1 x 4 with Groove Sand Green Part 2431 Element 6192923 or 4616588 ×2

Lime 6 pieces

  • Technic Beam 2 x 4 L-Shape Thick Lime Part 32140 Element 6271826 or 4140345 ×2
  • Technic Brick 1 x 4 [3 Pin Holes] Lime Part 3701 Element 6132373 or 4166527 ×3
  • Technic Brick 1 x 8 [7 Pin Holes] Lime Part 3702 Element 6132375 ×1

Light Aqua 5 pieces

  • Brick 1 x 2 Light Aqua Part 3004 Element 6022032 ×3
  • Brick 1 x 6 Light Aqua Part 3009 Element 6227921 or 4616203 ×2

Light Bluish Gray 5 pieces

  • Technic Axle 3 Light Bluish Gray Part 4519 Element 4211815 ×3
  • Technic Bush Light Bluish Gray Part 3713 Element 6275844 or 6271817 1 spare in the box ×2

Pearl Gold 5 pieces

  • Plate 1 x 1 Pearl Gold Part 3024 Element 6069887 3 spares in the box ×4
  • Technic Pin Connector Round 1L [Beam] Pearl Gold Part 18654 Element 6256803 1 spare in the box ×1

Bright Light Yellow 4 pieces

  • Plate 1 x 3 Bright Light Yellow Part 3623 Element 6296492 ×4

Reddish Brown 4 pieces

  • Technic Axle 3 with Stop Reddish Brown Part 24316 Element 6135494 ×4

Medium Blue 3 pieces

  • Brick 1 x 3 Medium Blue Part 3622 Element 6014087 or 6000881 ×3

Bright Green 2 pieces

  • Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) Bright Green Part 4032a Element 6138624 or 4114430 ×2

Green 2 pieces

  • Technic Beam 1 x 3 Thick Green Part 32523 Element 6007973 or 4158868 ×2

Bright Pink 1 piece

  • Plate 2 x 3 Bright Pink Part 3021 Element 6102999 or 4245290 ×1

Coral 1 piece

  • Plate 1 x 2 Coral Part 3023 Element 6258094 ×1

Tick each piece as you find it, or mark it missing.

When a piece really is missing

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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.

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