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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.

Mighty Dinosaurs - Brown Version

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77940 Mighty Dinosaurs - Brown Version

174 pieces in 68 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

Dark Orange 47 pieces

  • Brick 1 x 2 Dark Orange Part 3004 Element 4579659 or 4164441 ×2
  • Brick 2 x 2 Dark Orange Part 3003 Element 6212081 or 4597486 ×3
  • Brick Curved 2 x 1 No Studs [1/2 Bow] Dark Orange Part 11477 Element 6186009 ×2
  • Brick Curved 2 x 2 x 2/3 Dark Orange Part 15068 Element 6104344 ×4
  • Brick Curved 4 x 1 No Studs [Stud Holder with Symmetric Ridges] Dark Orange Part 11153 Element 6373108 or 6045940 ×6
  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Dark Orange Part 54200 Element 6104342 or 6087167 ×4
  • Brick Sloped 45° 2 x 1 with Bottom Pin Dark Orange Part 3040b Element 6069259 or 4224730 ×2
  • Brick Sloped Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes] Dark Orange Part 3660 Element 6187575 ×2
  • Brick Wedged, Curved 6 x 4 Triple Dark Orange Part 43712 Element 6191599 or 6076683 ×1
  • Plate 1 x 1 Dark Orange Part 3024 Element 6186012 or 4603739 ×2
  • Plate 1 x 2 Dark Orange Part 3023 Element 4570877 or 4162217 ×4
  • Plate 2 x 2 Dark Orange Part 3022 Element 4615606 or 4603741 ×2
  • Plate 2 x 4 Dark Orange Part 3020 Element 4535928 or 4164449 ×3
  • Plate Round Corner 3 x 3 Dark Orange Part 30357 Element 6359697 ×4
  • Wedge Plate 4 x 2 Left Dark Orange Part 41770 Element 6373105 or 4163153 ×3
  • Wedge Plate 4 x 2 Right Dark Orange Part 41769 Element 6373104 or 4163152 ×3

Reddish Brown 23 pieces

  • Brick 1 x 4 Reddish Brown Part 3010 Element 4211225 ×2
  • Plate 1 x 2 Reddish Brown Part 3023 Element 4211150 ×8
  • Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) Reddish Brown Part 4032a Element 4211159 ×1
  • Plate Special 1 x 2 with Handle on End [Closed Ends] Reddish Brown Part 60478 Element 6102975 ×3
  • Plate Special 1 x 2 with Pin Hole on Top Reddish Brown Part 11458 Element 6138664 ×2
  • Tile Special 1 x 1 with Clip with Rounded Edges Reddish Brown Part 15712 Element 6348057 or 6071274 ×4
  • Wedge Plate 3 x 2 Left Reddish Brown Part 43723 Element 6021339 or 4585491 ×1
  • Wedge Plate 3 x 2 Right Reddish Brown Part 43722 Element 6021336 or 4585489 ×1
  • Wheel Arch, Curved Wedge 4 x 3 with 2 x 2 Opening and 4 Studs Reddish Brown Part 47755 Element 6491978 or 6251393 ×1

Black 22 pieces

  • Animal Body Part, Barb / Claw / Tooth / Talon / Horn, Medium Black Part 87747 Element 6270091 or 4563477 ×6
  • Animal Body Part, Barb / Claw / Tooth / Talon / Horn, Small Black Part 53451 Element 6270103 or 4568385 ×4
  • Bar 3L Black Part 87994 Element 6185316 or 6093525 ×1
  • Brick Round 1 x 1 Open Stud Black Part 3062b Element 306226 ×2
  • Plate Special 1 x 1 with Clip Light, Bar Hole [Thick Ring] Black Part 4081b Element 6281993 or 4632571 ×4
  • Plate Special 1 x 2 with Clip Horizontal on End Black Part 63868 Element 6336989 or 4535739 ×1
  • Plate Special 1 x 2 with Clips Horizontal [Open O Clips] Black Part 60470b Element 6310268 or 4556158 ×2
  • Technic Ball Joint with Through Axle Hole Black Part 53585 Element 4286267 ×2

White 18 pieces

  • Animal Body Part / Plant, Tail / Claw / Horn / Branch / Tentacle, End Section White Part 40379 Element 6110023 or 4508454 ×3
  • Animal Body Part, Barb / Claw / Tooth / Talon / Horn, Medium White Part 87747 Element 6270092 or 4613941 ×2
  • Bar 4L (Lightsaber Blade / Wand) White Part 30374 Element 6116602 or 4129836 ×1
  • Bar Holder with Clip White Part 11090 Element 6341465 or 6136789 ×5
  • Plate Special 1 x 2 with Three Teeth [Tri-Tooth] White Part 15208 Element 6046381 ×7

Dark Tan 17 pieces

  • Brick 2 x 4 Dark Tan Part 3001 Element 4497066 or 4247145 ×1
  • Brick Curved 2 x 1 No Studs [1/2 Bow] Dark Tan Part 11477 Element 6101254 ×2
  • Brick Sloped Inverted 33° 3 x 2, Connections between Studs, Ovoid Bottom Pin Dark Tan Part 3747b Element 6373110 ×1
  • Brick Sloped Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes] Dark Tan Part 3660 Element 6376403 or 6310986 ×2
  • Brick Special 1 x 2 with Studs on 2 Sides Dark Tan Part 52107 Element 6135609 ×3
  • Plate 1 x 4 Dark Tan Part 3710 Element 4626904 or 4497088 ×2
  • Plate 2 x 3 Dark Tan Part 3021 Element 6035540 or 6015192 ×2
  • Plate 2 x 4 Dark Tan Part 3020 Element 4497077 or 4267874 ×1
  • Plate 2 x 6 Dark Tan Part 3795 Element 4550329 ×1
  • Tile 1 x 4 with Groove Dark Tan Part 2431 Element 6175927 ×2

Dark Bluish Gray 16 pieces

  • Hinge Plate 1 x 2 Locking with 1 Finger On Top Dark Bluish Gray Part 30383 Element 6265693 or 4210726 ×2
  • Hinge Plate 1 x 2 Locking with 2 Fingers On End, without Groove, 7 Teeth Dark Bluish Gray Part 54657 Element 6267047 ×2
  • Large Figure Skeletal, Joint Extender [High Friction] Dark Bluish Gray Part 74261 Element 6314448 or 6106472 ×2
  • Plate Special 1 x 2 with 5.9mm Centre Side Towball Dark Bluish Gray Part 14417 Element 6414560 or 6338160 ×5
  • Pneumatic Hose Connector with Axle Connector Dark Bluish Gray Part 99021 Element 6265669 or 6020189 ×2
  • Technic Brick 1 x 2 with Hole and Dual Beam Extensions Dark Bluish Gray Part 85943 Element 6324639 or 4547958 ×2
  • Technic Brick Special 2 x 2 with 10.2mm Balls with Holes and Axle Hole Dark Bluish Gray Part 17114 Element 6065816 ×1

Light Bluish Gray 10 pieces

  • Brick Special 1 x 2 x 1 2/3 with 4 Studs on 1 Side Light Bluish Gray Part 22885 Element 6123809 ×1
  • Plate Special 1 x 2 5.9mm Centre Side Towball Socket Light Bluish Gray Part 14704 Element 6414561 or 6338165 ×2
  • Plate Special 1 x 2 5.9mm Towball Socket Light Bluish Gray Part 14418 Element 6414556 or 6338163 ×3
  • Plate Special 1 x 2 with Clip Horizontal on Side Light Bluish Gray Part 11476 Element 6313114 or 6028812 ×2
  • Technic Pin 1/2 without Friction Ridges Light Bluish Gray Part 4274 Element 4274194 or 4211483 ×2

Tan 8 pieces

  • Brick Special 1 x 1 with Studs on 2 Adjacent Sides Tan Part 26604 Element 6175968 ×4
  • Plate Special 1 x 1 with Clip Vertical [Thick Open O Clip] Tan Part 60897 Element 6352222 or 6029889 ×4

Dark Brown 4 pieces

  • Technic Brick Special 2 x 2 with Ball Socket Wide and Axle Hole Dark Brown Part 92013 Element 6046942 ×4

Trans-Bright Green 4 pieces

  • Light Cover 1 x 1 Round with Internal Bar / Bionicle Barraki Eye Trans-Bright Green Part 58176 Element 6507869 or 6171864 ×2
  • Plate Round 1 x 1 with Solid Stud Trans-Bright Green Part 6141 Element 6514053 or 6240206 ×2

Bright Pink 3 pieces

  • Plate 1 x 2 Bright Pink Part 3023 Element 4654128 or 4245303 ×2
  • Tile 1 x 4 with Groove Bright Pink Part 2431 Element 4621552 ×1

Red 2 pieces

  • Technic Axle 2 Notched Red Part 32062 Element 4142865 ×2

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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