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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.

Midi-Scale Imperial Star Destroyer

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8099 Midi-Scale Imperial Star Destroyer

423 pieces in 94 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 88 pieces

  • Plate 1 x 10 Black Part 4477 Element 447726 ×4
  • Plate 2 x 8 Black Part 3034 Element 303426 ×2
  • Plate 1 x 2 Blue Part 3023 Element 302323 ×4
  • Plate 1 x 3 Dark Bluish Gray Part 3623 Element 4211133 ×2
  • Plate 1 x 8 Dark Bluish Gray Part 3460 Element 4210998 ×2
  • Plate 2 x 3 Dark Bluish Gray Part 3021 Element 4211043 ×6
  • Plate 1 x 2 Light Bluish Gray Part 3023 Element 4211398 or 3023194 ×8
  • Plate 1 x 4 Light Bluish Gray Part 3710 Element 4211445 ×10
  • Plate 1 x 6 Light Bluish Gray Part 3666 Element 4211438 ×4
  • Plate 2 x 10 Light Bluish Gray Part 3832 Element 4211462 ×6
  • Plate 2 x 2 Light Bluish Gray Part 3022 Element 4211397 ×10
  • Plate 2 x 3 Light Bluish Gray Part 3021 Element 4211396 ×6
  • Plate 2 x 4 Light Bluish Gray Part 3020 Element 4211395 ×13
  • Plate 4 x 6 Light Bluish Gray Part 3032 Element 4211404 ×2
  • Plate 1 x 6 White Part 3666 Element 6552107 or 6548265 ×8
  • Plate 2 x 6 White Part 3795 Element 6550146 or 379501 ×1

Plates Special 80 pieces

  • Plate Special 1 x 1 with Clip Vertical [Thick U Clip] Dark Bluish Gray Part 4085c Element 4210632 ×24
  • Plate Special 4 x 4, Studs on One Edge Plain] Dark Bluish Gray Part 6179 Element 4509911 or 4210849 ×2
  • Technic Plate 2 x 4 [3 Holes] Dark Bluish Gray Part 3709 Element 4227398 ×2
  • Plate Special 1 x 2 with 1 Stud with Groove (Jumper) Light Bluish Gray Part 3794b ×4
  • Plate Special 1 x 2 with Door Rail Light Bluish Gray Part 32028 Element 4211568 ×12
  • Plate Special 2 x 8 with Door Rail Light Bluish Gray Part 30586 Element 4222019 ×6
  • Plate Special 3 x 2 with Rounded End, Hole Light Bluish Gray Part 3176 Element 4211419 ×1
  • Plate Special 4 x 4, Studs on One Edge Plain] Light Bluish Gray Part 6179 Element 4211837 ×2
  • Plate Special 4 x 6, Studs on 3 Edges Light Bluish Gray Part 6180 Element 4211838 ×2
  • Technic Plate 2 x 8 [7 Holes] Light Bluish Gray Part 3738 Element 4211449 ×1
  • Plate Special 1 x 2 with Handle on End [Closed Ends] Red Part 60478 Element 4515365 ×16
  • Plate Special 1 x 2 with Clips Horizontal [Thick U-Clips] White Part 60470a Element 4537897 or 4515169 ×8

Plates Wedged 76 pieces

  • Wedge Plate 3 x 2 Left Dark Bluish Gray Part 43723 Element 4210872 ×2
  • Wedge Plate 3 x 2 Right Dark Bluish Gray Part 43722 Element 4210869 ×2
  • Wedge Plate 4 x 2 Left Dark Bluish Gray Part 41770 Element 4210788 ×1
  • Wedge Plate 4 x 2 Right Dark Bluish Gray Part 41769 Element 4210782 ×1
  • Wedge Plate 6 x 12 Left Dark Bluish Gray Part 30355 Element 6470979 or 6368881 ×1
  • Wedge Plate 6 x 12 Right Dark Bluish Gray Part 30356 Element 6348156 or 4271543 ×1
  • Wedge Plate 6 x 3 Left Dark Bluish Gray Part 54384 Element 4290149 ×4
  • Wedge Plate 6 x 3 Right Dark Bluish Gray Part 54383 Element 4290150 ×4
  • Wedge Plate 8 x 3, 22° Left Dark Bluish Gray Part 50305 Element 4529728 ×5
  • Wedge Plate 8 x 3, 22° Right Dark Bluish Gray Part 50304 Element 4529727 ×5
  • Wedge Plate 3 x 2 Left Light Bluish Gray Part 43723 Element 4211794 ×9
  • Wedge Plate 3 x 2 Right Light Bluish Gray Part 43722 Element 4211791 ×9
  • Wedge Plate 4 x 2 Left Light Bluish Gray Part 41770 Element 4211735 ×4
  • Wedge Plate 4 x 2 Right Light Bluish Gray Part 41769 Element 4211732 ×4
  • Wedge Plate 4 x 4 Cut Corner Light Bluish Gray Part 30503 Element 4160560 ×2
  • Wedge Plate 6 x 3 Left Light Bluish Gray Part 54384 Element 4282789 ×7
  • Wedge Plate 6 x 3 Right Light Bluish Gray Part 54383 Element 4282786 ×7
  • Wedge Plate 8 x 3, 22° Left Light Bluish Gray Part 50305 Element 4258275 or 4228302 ×2
  • Wedge Plate 8 x 3, 22° Right Light Bluish Gray Part 50304 Element 4258273 or 4228300 ×2
  • Wedge Plate 6 x 12 Left White Part 30355 Element 6535488 or 4141475 ×1
  • Wedge Plate 6 x 12 Right White Part 30356 Element 4141476 ×1
  • Wedge Plate 6 x 3 Left White Part 54384 Element 4287708 ×1
  • Wedge Plate 6 x 3 Right White Part 54383 Element 4287707 ×1

Plates Round Curved and Dishes 59 pieces

  • Plate Round 1 x 1 with Solid Stud Dark Bluish Gray Part 6141 Element 4210633 1 spare in the box ×28
  • Dish 3 x 3 Inverted [Radar] Light Bluish Gray Part 43898 Element 6070564 or 4568360 ×4
  • Plate Round 2 x 2 with Rounded Bottom [Boat Stud] Light Bluish Gray Part 2654 Element 4278273 or 4276273 ×8
  • Plate Round 1 x 1 with Solid Stud Trans-Clear Part 6141 Element 6514052 or 6240030 1 spare in the box Also in White ×6
  • Dish 2 x 2 Inverted [Radar] Trans-Light Blue Part 4740 Element 6580378 or 6245307 ×3
  • Plate Round 1 x 1 with Solid Stud White Part 6141 Element 6601919 or 614101 1 spare in the box Also in Trans-Clear ×10

Tiles 48 pieces

  • Tile 1 x 1 with Groove Black Part 3070b Element 307026 1 spare in the box ×4
  • Tile 1 x 2 with Groove Black Part 3069b Element 306926 Also in Dark Bluish Gray ×1
  • Tile 1 x 4 with Groove Black Part 2431 Element 243126 ×1
  • Tile 2 x 4 with Groove Black Part 87079 Element 4560182 ×4
  • Tile 1 x 2 with Groove Dark Bluish Gray Part 3069b Element 4211052 Also in Black ×2
  • Tile 1 x 6 with Groove Dark Bluish Gray Part 6636 Element 4210651 ×2
  • Tile 2 x 2 with Groove Dark Bluish Gray Part 3068b Element 4211055 ×4
  • Tile 1 x 2 with Groove Light Bluish Gray Part 3069b Element 4211414 ×6
  • Tile 1 x 3 Light Bluish Gray Part 63864 Element 4558169 ×11
  • Tile 1 x 6 with Groove Light Bluish Gray Part 6636 Element 4211549 ×7
  • Tile 1 x 8 with Groove Light Bluish Gray Part 4162 Element 4211481 ×2
  • Tile 2 x 2 with Groove Light Bluish Gray Part 3068b Element 4211413 ×4

Bricks Sloped 15 pieces

  • Brick Sloped Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes] Blue Part 3660 Element 366023 ×2
  • Brick Sloped Inverted 33° 3 x 2, Connections between Studs, Ovoid Bottom Pin Dark Bluish Gray Part 3747b Element 4211064 ×4
  • Brick Sloped 30° 1 x 2 x 2/3 Light Bluish Gray Part 85984 Element 4568637 ×6
  • Brick Sloped 65° 2 x 2 x 2 with Bottom Tube Light Bluish Gray Part 3678b Element 4234535 or 4215353 ×3

Bricks 12 pieces

  • Brick 2 x 3 Blue Part 3002 Element 300223 ×1
  • Brick 2 x 3 Dark Bluish Gray Part 3002 Element 4211105 ×8
  • Brick 2 x 2 Light Bluish Gray Part 3003 Element 4211387 ×3

Technic Pins 12 pieces

  • Technic Pin with Friction Ridges Lengthwise and Center Slots Black Part 2780 Element 4121715 or 278026 1 spare in the box ×5
  • Technic Pin Long with Friction Ridges Lengthwise, 2 Center Slots Blue Part 6558 Element 4514553 ×1
  • Technic Pin 1/2 without Friction Ridges Light Bluish Gray Part 4274 Element 4274194 or 4211483 1 spare in the box ×6

Minifig Accessories 6 pieces

  • Equipment Binoculars Light Bluish Gray Part 30162 Element 4550170 or 4212313 ×6

Technic Connectors 5 pieces

  • Technic Axle and Pin Connector Angled #1 Black Part 32013 Element 6284699 or 4107085 ×1
  • Technic Pin Connector Round [Slotted] Black Part 62462 Element 6173119 or 4526982 ×2
  • Technic Axle and Pin Connector Perpendicular 3L with Centre Pin Hole White Part 32184 Element 6276981 or 6114940 ×2

Technic Bricks 4 pieces

  • Technic Brick 1 x 14 [13 Pin Holes] Black Part 32018 Element 4107558 ×2
  • Technic Brick 1 x 4 [3 Pin Holes] Red Part 3701 Element 370121 ×2

Wheels and Tyres 4 pieces

  • Wheel 11 x 8 with Center Groove Light Bluish Gray Part 42610 Element 4211758 ×4

Technic Axles 3 pieces

  • Technic Axle 4 Black Part 3705 Element 370526 ×2
  • Technic Axle 2 Notched Red Part 32062 Element 4142865 ×1

Bars, Ladders and Fences 2 pieces

  • Antenna 1 x 4 with Rounded Top White Part 3957a ×2

Bricks Curved 2 pieces

  • Brick Curved Inverted 6 x 1 Dark Bluish Gray Part 42023 Element 4210779 ×2

Bricks Round and Cones 2 pieces

  • Brick Round 2 x 2 Dome Top, Blocked Open Stud, Bottom Axle Holder Light Bluish Gray Part 30367b ×2

Technic Special 2 pieces

  • Technic Ball Joint Light Bluish Gray Part 32474 Element 6070731 or 4585707 ×2

Tiles Special 2 pieces

  • Tile Special 1 x 2 Grille with Bottom Groove Light Bluish Gray Part 2412b Element 4211350 ×2

Bricks Special 1 piece

  • Brick Special 1 x 2 with Grille Light Bluish Gray Part 2877 Element 4211383 ×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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