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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.

Black Falcon's Fortress

Checking

6074 Black Falcon's Fortress

400 pieces in 93 part and color combinations, plus 6 minifigures.

LEGO counts 435 pieces. This inventory comes from a separate parts catalog and lists 430, including the 30 parts inside the minifigures; the two do not always count the same elements, so their totals differ. 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 149 pieces

  • Brick 1 x 1 Black Part 3005 Element 300526 ×2
  • Brick 1 x 2 Black Part 3004 Element 300426 ×1
  • Brick 1 x 1 Light Gray Part 3005 Element 300502 ×49
  • Brick 1 x 2 Light Gray Part 3004 Element 300402 1 spare in the box ×66
  • Brick 1 x 3 Light Gray Part 3622 Element 362202 ×8
  • Brick 1 x 4 with Bottom Tubes, Lowered Center Cross Support Light Gray Part 3010a ×11
  • Brick 1 x 6 with Bottom Tubes and 2 Lowered Cross Supports Light Gray Part 3009b ×5
  • Brick 1 x 8 with Bottom Tubes and 3 Lowered Cross Supports Light Gray Part 3008b ×4
  • Brick 2 x 3 Light Gray Part 3002 Element 300252 or 300202 ×2
  • Brick 1 x 2 White Part 3004 Element 6548257 or 4613964 ×1

Plates 95 pieces

  • Plate 1 x 1 Black Part 3024 Element 302426 ×1
  • Plate 1 x 2 Black Part 3023 Element 302326 ×3
  • Plate 1 x 4 Black Part 3710 Element 371026 ×2
  • Plate 1 x 8 Black Part 3460 Element 346026 ×1
  • Plate 2 x 2 Black Part 3022 Element 302226 ×3
  • Plate 2 x 3 Black Part 3021 Element 302126 ×1
  • Plate 2 x 8 Black Part 3034 Element 303426 ×2
  • Plate 4 x 10 Black Part 3030 Element 303076 or 303026 ×2
  • Plate 1 x 6 Green Part 3666 Element 366628 ×2
  • Plate 2 x 16 Green Part 4282 Element 6305835 or 4528706 ×1
  • Plate 2 x 2 Green Part 3022 Element 302228 ×2
  • Plate 2 x 3 Green Part 3021 Element 302128 ×4
  • Plate 2 x 4 Green Part 3020 Element 302028 ×3
  • Plate 2 x 6 Green Part 3795 Element 379528 ×1
  • Plate 2 x 8 Green Part 3034 Element 303428 ×5
  • Plate 1 x 1 Light Gray Part 3024 Element 302402 ×11
  • Plate 1 x 2 Light Gray Part 3023 Element 302302 4 spares in the box ×12
  • Plate 1 x 3 Light Gray Part 3623 Element 362302 ×9
  • Plate 1 x 4 Light Gray Part 3710 Element 371002 ×9
  • Plate 1 x 6 Light Gray Part 3666 Element 366602 ×1
  • Plate 1 x 8 Light Gray Part 3460 Element 346002 ×1
  • Plate 2 x 3 Light Gray Part 3021 Element 302102 ×6
  • Plate 2 x 4 Light Gray Part 3020 Element 302002 ×3
  • Plate 2 x 6 Light Gray Part 3795 Element 379502 ×1
  • Plate 2 x 8 Light Gray Part 3034 Element 303402 ×2
  • Plate 4 x 4 Light Gray Part 3031 Element 4243813 or 303102 ×1
  • Plate 4 x 6 Light Gray Part 3032 Element 303202 ×2
  • Plate 6 x 10 Light Gray Part 3033 Element 303302 ×1
  • Plate 6 x 6 Light Gray Part 3958 Element 395802 ×2
  • Plate 1 x 2 White Part 3023 Element 6552100 or 6548261 ×1

Bricks Sloped 49 pieces

  • Brick Sloped 33° 3 x 3 Black Part 4161 Element 416126 ×1
  • Brick Sloped 45° 2 x 1 with Bottom Pin Black Part 3040b Element 4121966 or 304026 ×5
  • Brick Sloped 45° 2 x 2 Black Part 3039 Element 303926 ×4
  • Brick Sloped 45° 2 x 2 Double Black Part 3043 Element 4163373 or 304326 ×2
  • Brick Sloped 45° 2 x 2 Double Convex Black Part 3045 Element 4189064 or 304526 ×2
  • Brick Sloped 45° 2 x 4 Black Part 3037 Element 303726 ×7
  • Brick Sloped 45° 2 x 4 Double Black Part 3041 Element 4189063 or 304126 ×1
  • Brick Sloped 45° 2 x 8 Black Part 4445 Element 4163334 ×2
  • Brick Sloped 75° 2 x 2 x 2 Quadruple Convex Black Part 3688 Element 6534130 or 6000644 ×1
  • Brick Sloped 75° 2 x 2 x 3 Double Convex Black Part 3685 Element 6312358 or 4614804 ×4
  • Brick Sloped Inverted 34° 3 x 1 without Internal Stopper Black Part 4287a ×3
  • Brick Sloped Inverted 45° 2 x 1 Black Part 3665 Element 366526 ×1
  • Brick Sloped Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes] Black Part 3660 Element 366026 ×6
  • Brick Sloped 75° 2 x 1 x 3 with Open Stud Light Gray Part 4460a Element 446002 ×2
  • Brick Sloped Inverted 45° 2 x 1 Light Gray Part 3665 Element 366502 1 spare in the box ×6
  • Brick Sloped Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes] Light Gray Part 3660 Element 366002 ×2

Panels 22 pieces

  • Panel 2 x 5 x 6 Wall with Arched Window Light Gray Part 4444 Element 4163327 or 444402 ×9
  • Panel 3 x 3 x 6 Corner Wall Light Gray Part 2345 Element 4189067 or 4160946 ×10
  • Panel 3 x 3 x 6 Corner Wall with Dark Grey Stones Print Light Gray Part 2345pr0002 Element 4189072 ×2
  • Panel 2 x 5 x 6 Wall with Black Stripes Print Yellow Part 4444pr0003 Element 4189071 ×1

Bricks Curved 15 pieces

  • Brick Arch 1 x 3 Light Gray Part 4490 Element 449002 ×8
  • Brick Arch 1 x 5 x 4 [Continuous Bow] Light Gray Part 2339 Element 233902 3 spares in the box ×2
  • Brick Arch 1 x 6 Light Gray Part 3455 Element 345502 ×3
  • Brick Arch 1 x 5 x 4 [Continuous Bow] Yellow Part 2339 Element 4184555 ×2

Bricks Round and Cones 11 pieces

  • Brick Round 1 x 1 Open Stud Light Gray Part 3062b Element 306202 ×9
  • Brick Round 2 x 2 with Axle Hole Light Gray Part 3941 Element 614302 or 394102 ×2

Minifig Shields, Weapons, & Tools 11 pieces

  • Weapon Bow and Arrow [Large] Brown Part 4499 Element 449925 ×2
  • Weapon Halberd / Axe Brown Part 3848 Element 384825 ×1
  • Weapon Lance Brown Part 3849 Element 4160964 or 384925 ×2
  • Weapon Pike / Spear Round End Brown Part 4497 ×2
  • Weapon Sword / Shortsword [Shiny Solid Smooth ABS] Dark Gray Part 3847a ×2
  • Shield Triangular with Black Falcon and Blue Border Print Light Gray Part 3846pr0028 Element 4189073 ×1
  • Shield Triangular with Black Falcon and Yellow Border Print Light Gray Part 3846pr0027 Element 4163324 ×1

Technic Bricks 9 pieces

  • Technic Brick 1 x 2 [1 Pin Hole] Black Part 3700 Element 370026 ×2
  • Technic Brick 1 x 2 [1 Pin Hole] Light Gray Part 3700 Element 370002 ×7

Hinges, Arms and Turntables 8 pieces

  • Hinge Brick 1 x 4 [Lower] Light Gray Part 3831 Element 383102 ×4
  • Hinge Brick 1 x 4 [Upper] Light Gray Part 3830 Element 383002 ×4

Plates Round Curved and Dishes 8 pieces

  • Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) Light Gray Part 4032a Element 403202 ×8

Flags, Banners and Signs 5 pieces

  • Flag 2 x 2 Square with Black Falcon Original Print (Rounder Bottomed Shield) Blue Part 2335pr0010 ×1
  • Flag 4 x 1 Wavy [First Wave Left] Blue Part 4495a ×2
  • Flag 2 x 2 Square [Thin Clips] Yellow Part 2335 Element 4523409 or 233574 ×2

Plates Special 4 pieces

  • Technic Plate 2 x 4 [3 Holes] Black Part 3709 Element 370926 ×2
  • Plate Special 1 x 1 with Clip Vertical [Thin Open O Clip] Light Gray Part 4085a ×1
  • Plate Special 1 x 2 with 1 Stud without Groove (Jumper) Light Gray Part 3794a Element 379402 ×1

Bars, Ladders and Fences 3 pieces

  • Antenna 1 x 4 with Rounded Top Black Part 3957a ×3

Technic Pins 3 pieces

  • Technic Pin without Friction Ridges Lengthwise Light Gray Part 3673 Element 4184166 or 367302 ×3

Animal / Creature Accessories 2 pieces

  • Animal / Creature Accessory, Saddle [One Clip] Blue Part 4491a ×1
  • Animal / Creature Accessory, Saddle [One Clip] Red Part 4491a ×1

Animals / Creatures 2 pieces

  • Animal, Horse, Movable Head, Black Eyes Circled with White, Brown Bridle Print Black Part 4493c01pr0002 Element 4225611 or 4107518 ×1
  • Animal, Horse, Movable Head, Black Eyes, White Pupils, Brown Bridle Print White Part 4493c01pr0011 Element 4121830 or 73408 ×1

Bricks Special 2 pieces

  • Brick Special 1 x 1 with Headlight Light Gray Part 4070 Element 407002 ×2

String, Bands and Reels 1 piece

  • String Cord Thin (0.5mm) 50cm Black Part 56823c50 Element 6530026 or 6489925 ×1

Tiles 1 piece

  • Tile 1 x 8 with Groove Light Gray Part 4162 Element 416202 ×1

Minifigures 6 figures

  • Knight (Black Falcon) - Black Legs, Black Hips, Rounded Shield, Neck-Protector, 3626a Minifigure, checked as a whole figure ×2
  • Knight (Breastplate on Blue) - Black Legs, Dark Gray Helmet, Red Plume, Plastic Cape Minifigure, checked as a whole figure ×1
  • Knight (Breastplate on Black) - Black Legs, Black Helmet, Blue Plume Minifigure, checked as a whole figure ×1
  • Archer (Black Falcon) - Black Legs, Black Hips, Rounded Shield, Chin-Guard Minifigure, checked as a whole figure ×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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