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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.

Turtle Lair

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10669 Turtle Lair

100 pieces in 60 part and color combinations, plus 2 minifigures.

The official piece count includes the 7 parts inside the set's minifigures, which this inventory lists separately. 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.

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Piece checklist

Bricks 13 pieces

  • Brick 1 x 2 x 5 with Hollow Studs Green Part 2454b Element 6067975 ×2
  • Brick 1 x 4 Green Part 3010 Element 4112838 or 301028 ×5
  • Brick 2 x 2 Green Part 3003 Element 300328 ×2
  • Brick 1 x 2 Light Bluish Gray Part 3004 Element 4211388 ×2
  • Brick 1 x 2 Lime Part 3004 Element 4613965 or 4164022 ×1
  • Brick 2 x 4 Lime Part 3001 Element 4165967 or 4122453 ×1

Wheels and Tyres 10 pieces

  • Tyre 21 x 12 with Offset Tread Small Wide and Center Band Black Part 87697 Element 6575727 or 4568644 ×4
  • Wheel Skateboard / Trolley Black Part 2496 Element 6223673 or 4569104 ×2
  • Wheel 11 x 12 with Hole Notched for Wheels Holder Pin Lime Part 6014b Element 6074952 ×4

Bricks Round and Cones 8 pieces

  • Brick Round Corner 4 x 8 Full Brick Double Light Bluish Gray Part 47974 Element 4632356 or 4216733 ×1
  • Cone 1 x 1 [Top Groove] Light Bluish Gray Part 59900 Element 4529241 ×4
  • Brick Round 2 x 2 Dome Top, Hollow Stud Red Part 30367c Element 4216657 ×1
  • Cone 1 x 1 [Top Groove] Trans-Green Part 59900 Element 6301316 or 4567333 ×1
  • Cone 1 x 1 [Top Groove] Trans-Red Part 59900 Element 6514021 or 6337596 ×1

Plates 8 pieces

  • Plate 1 x 4 Light Bluish Gray Part 3710 Element 4211445 ×1
  • Plate 2 x 2 Light Bluish Gray Part 3022 Element 4211397 ×2
  • Plate 2 x 6 Lime Part 3795 Element 4621548 or 4563344 ×1
  • Plate 2 x 4 Olive Green Part 3020 Element 6031128 or 6020144 ×2
  • Plate 2 x 6 Reddish Brown Part 3795 Element 4211247 ×2

Plates Special 8 pieces

  • Bracket 1 x 2 - 1 x 4 [Rounded Corners] Black Part 10201 Element 6089577 ×1
  • Plate Special 2 x 2 with 2 Pin Holes Black Part 2817 Element 281726 ×1
  • Plate Special 1 x 2 with Pin Hole on Top Dark Bluish Gray Part 11458 Element 6019987 ×2
  • Plate Special 8 x 9 x 2/3 with 1 x 4 Recessed Dark Bluish Gray Part 15624 Element 6400317 or 6063310 ×2
  • Plate Special 1 x 4 with 2 Studs, 3 Bottom Tubes Olive Green Part 92593 Element 6024727 ×2

Bricks Curved 7 pieces

  • Brick Curved 5 x 8 x 2/3 with Sewer Grate and Rivets and Lime and Dark Purple Circle Print Dark Bluish Gray Part 15625pr0003 Element 6074891 ×1
  • Brick Curved 2 x 2 with Lip, No Studs with TMNT Foot Clan Logo in White Circle Print Dark Red Part 30602pr0005 Element 6075146 ×1
  • Brick Curved 3 x 1 No Studs Light Bluish Gray Part 50950 Element 4251163 ×2
  • Brick Curved 2 x 2 x 2/3 Two Studs and Curved Slope End Lime Part 47457 Element 6025028 ×2
  • Brick Curved 2 x 4 x 2/3 No Studs, with Bottom Tubes Lime Part 88930 Element 6075049 or 4597561 ×1

Bricks Sloped 7 pieces

  • Brick Sloped 18° 2 x 1 x 2/3 with 4 Slots / Grate Black Part 61409 Element 4541191 ×4
  • Brick Sloped 45° 10 x 2 x 2 Double Light Bluish Gray Part 30180 Element 6410094 or 6067982 ×1
  • Brick Sloped 18° 2 x 1 x 2/3 with 4 Slots / Grate Lime Part 61409 Element 6370977 or 4540385 ×2

Tiles 7 pieces

  • Tile 1 x 4 with Groove Reddish Brown Part 2431 Element 4211194 ×1
  • Tile 1 x 3 White Part 63864 Element 6552134 or 6548270 ×2
  • Tile 2 x 2 with Train in Tunnel Print White Part 3068bpr0210 Element 4659034 ×1
  • Tile 1 x 2 with Groove Yellow Part 3069b Element 306924 ×1
  • Tile 1 x 4 with Black Diagonal Stripes Print Yellow Part 2431pr0017 Element 4119091 ×2

Tiles Special 7 pieces

  • Tile Special 1 x 2 with Handle Black Part 2432 Element 243226 ×5
  • Tile Special 2 x 2 with Top Pin Dark Bluish Gray Part 2460 Element 4211129 ×2

Bricks Special 3 pieces

  • Brick Special 1 x 1 with Clip Horizontal Black Part 60476 Element 6320309 or 4535765 ×2
  • Brick Special 2 x 2 with Pin and Axle Hole Red Part 6232 Element 6347696 or 623221 ×1

Minifig Shields, Weapons, & Tools 3 pieces

  • Weapon Sword / Katana / Shamshir with Uncapped Pommel [Square Guard] Flat Silver Part 30173b Element 4569471 1 spare in the box ×2
  • Weapon Throwing Star / Shuriken with Smooth Grips Pearl Gold Part 93058 Element 4600519 1 spare in the box ×1

Transportation - Land 3 pieces

  • Steering Wheel Small, 2 x 2 [Reinforced] Black Part 16091 Element 6057397 ×1
  • Vehicle Base 4 x 10 x 2 1/2 with Mudguards, Wheel Pins and 6 x 2 Centre Recess with 3 Holes, Black Wheel Holders Black Part 12622c03 Element 6025012 ×1
  • Engine / Air Scoop 2 x 2 Light Bluish Gray Part 50943 Element 4259422 ×1

Minifig Lower Body 2 pieces

  • Leg Mechanical - Droid with Technic Pin Black Part 30362 Element 6450219 or 6316703 ×2

Panels 2 pieces

  • Panel 1 x 6 x 6 with Window with Round Sewer Opening Outline Print Olive Green Part 15627pr0005 Element 6074882 ×1
  • Panel 1 x 2 x 1 [Rounded Corners] Yellow Part 4865b Element 6146219 ×1

Plates Round Curved and Dishes 2 pieces

  • Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) Blue Part 4032a Element 403223 ×1
  • Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) Orange Part 4032a Element 6030521 or 4164243 ×1

Plates Wedged 2 pieces

  • Wedge Plate 7 x 6 Boat Bow with Stud Notches Black Part 50303 Element 4550190 or 4239365 ×1
  • Wedge Plate 4 x 4 with 2 x 2 Cutout White Part 43719 Element 6275403 or 4561038 ×1

Tiles Round and Curved 2 pieces

  • Tile Round 2 x 2 with Fine Mesh Grill Print Light Bluish Gray Part 4150pr0022 Element 4221881 ×2

Transportation - Sea and Air 2 pieces

  • Jet Engine Fan with 10 Blades and Technic Pin Black Part 46667 Element 6313481 or 6088638 ×1
  • Technic Cylinder 4 x 4 with Pin Holes and Centre Bar, Closed Sides on Bar Light Bluish Gray Part 41531 Element 4507052 or 4285324 ×1

Bars, Ladders and Fences 1 piece

  • Bar 1 x 4 x 2 with Studs Black Part 4083 Element 408326 ×1

Bricks Wedged 1 piece

  • Brick Wedged, Sloped 4 x 4 Fractured Polygon Top Olive Green Part 64867 Element 6016463 ×1

Minifig Accessories 1 piece

  • Sports Skateboard with Trolley Wheel Holders Blue Part 42511 Element 4569105 or 4172695 ×1

Windows and Doors 1 piece

  • Glass for Window 1 x 4 x 3 - Opening with Map, Minifig Silhouette and Exclamation Mark Print Trans-Light Blue Part 60603pr0001 Element 6062234 ×1

Minifigures 2 figures

  • Foot Soldier Minifigure, checked as a whole figure ×1
  • Leonardo with Plain Green 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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