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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.

Trade Federation MTT

Checking

7184 Trade Federation MTT

431 pieces in 80 part and color combinations, plus 7 minifigures.

LEGO counts 470 pieces. This inventory comes from a separate parts catalog and lists 466, including the 35 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

Brown 91 pieces

  • Brick 1 x 10 Brown Part 6111 Element 4141041 or 611125 ×14
  • Brick 1 x 6 Brown Part 3009 Element 4116672 or 300925 ×6
  • Brick 2 x 2 Brown Part 3003 Element 4140745 or 300325 ×2
  • Brick 2 x 4 Brown Part 3001 Element 4124052 or 4112546 ×3
  • Brick Sloped 45° 2 x 1 with Bottom Pin Brown Part 3040b Element 4121971 or 4113255 ×22
  • Brick Sloped 45° 2 x 2 Brown Part 3039 Element 4124058 ×20
  • Brick Sloped 45° 2 x 4 Brown Part 3037 Element 4129991 or 303725 ×2
  • Hinge Brick 1 x 2 Locking with Single Finger On Top Brown Part 76385 Element 4141250 ×6
  • Hinge Train Gate 2 x 4 Brown Part 2873 Element 4240393 or 4141709 ×4
  • Plate 2 x 10 Brown Part 3832 Element 4141708 or 383225 ×1
  • Plate 4 x 10 Brown Part 3030 Element 4110009 ×8
  • Windscreen 3 x 6 x 5 Bubble with Studs on Top [Plain] Brown Part 30366 Element 4141256 ×1
  • Windscreen 7 x 4 x 2 Round Brown Part 30384 Element 4141257 ×2

Tan 82 pieces

  • Brick 1 x 2 Tan Part 3004 Element 4109995 or 300405 ×41
  • Brick 1 x 2 x 5 with Blocked Open Studs and Bottom Stud Holder with Asymmetric Ridges Tan Part 2454a Element 245405 ×4
  • Brick 1 x 4 Tan Part 3010 Element 4113916 or 301005 ×13
  • Plate 1 x 2 Tan Part 3023 Element 4113917 or 302305 ×3
  • Plate 1 x 8 Tan Part 3460 Element 4114324 or 346005 ×13
  • Plate 2 x 6 Tan Part 3795 Element 4113993 or 379505 ×4
  • Plate Round Corner 3 x 3 Tan Part 30357 Element 4543858 or 4124071 ×4

Dark Gray 81 pieces

  • Bar 1 x 8 with Brick 1 x 2 Curved Top End (Original, No Axle Holder) Dark Gray Part 30359a Element 4124064 ×4
  • Brick 1 x 8 Dark Gray Part 3008 Element 4114081 or 300827 ×7
  • Brick Sloped 18° 4 x 2 Dark Gray Part 30363 Element 4124098 ×6
  • Brick Sloped 45° 2 x 2 Double Convex Dark Gray Part 3045 Element 4125242 or 304527 ×4
  • Brick Sloped 45° 2 x 2 with Red Square and Circuitry Print Dark Gray Part 3039pr9974 Element 4219577 or 4110064 ×3
  • Brick Sloped 45° 2 x 8 Dark Gray Part 4445 Element 4187914 or 4141253 ×2
  • Brick Sloped 75° 2 x 1 x 3 with Open Stud Dark Gray Part 4460a Element 4240112 or 4114515 ×6
  • Brick Sloped 75° 2 x 2 x 3 Double Convex Dark Gray Part 3685 Element 4240158 or 4141609 ×4
  • Brick Sloped 75° 2 x 2 x 3 [Hollow Studs] Dark Gray Part 3684 Element 4248066 or 4142927 ×10
  • Brick Sloped Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes] Dark Gray Part 3660 Element 366027 ×4
  • Brick Special 1 x 2 with Vertical Clip [Thick U Clip] Dark Gray Part 30237a Element 4113207 ×4
  • Hinge Brick 1 x 2 Locking with 2 Fingers Vertical End, 9 Teeth Dark Gray Part 30365 Element 4144501 or 4125291 ×6
  • Hinge Vehicle Roof 4 x 4 Dark Gray Part 4213 Element 4256456 or 4114315 ×1
  • Plate 2 x 3 Dark Gray Part 3021 Element 4108041 or 302127 ×1
  • Plate 4 x 8 Dark Gray Part 3035 Element 4110027 ×4
  • Plate 6 x 10 Dark Gray Part 3033 Element 4116651 ×6
  • Plate Special 1 x 2 Side Handle [Free Ends] Dark Gray Part 2540 Element 4140589 or 4109721 ×7
  • Weapon Lance Dark Gray Part 3849 Element 384927 ×2

Black 77 pieces

  • Antenna 1 x 4 with Rounded Top Black Part 3957a ×2
  • Bar 1 x 3 [Clip / Anti-Stud] Black Part 4735 Element 4141580 or 473576 ×4
  • Bracket 3 x 2 - 2 x 2 [aka Space Seat] Black Part 4598 Element 6021678 or 459826 ×1
  • Brick 2 x 6 Black Part 2456 Element 4181144 or 245626 ×2
  • Brick Sloped Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes] Black Part 3660 Element 366026 ×20
  • Brick Special 1 x 4 with Groove Black Part 2653 Element 265326 ×6
  • Cylinder 3 x 6 x 2 2/3 Horizontal Hollow Studs Black Part 30360 Element 4547765 or 4141255 ×2
  • Equipment Weapon, Loudhailer / Speaker / Blaster / Space Gun Black Part 4349 Element 434926 ×6
  • Hinge Vehicle Roof Holder 1 x 4 Black Part 4315 Element 4250225 or 431576 ×4
  • Plate 1 x 10 Black Part 4477 Element 447726 ×7
  • Plate 1 x 6 Black Part 3666 Element 366626 ×3
  • Plate 2 x 12 Black Part 2445 Element 244526 ×2
  • Plate Round 1 x 1 with Solid Stud Black Part 6141 Element 614126 1 spare in the box ×8
  • Tile 2 x 2 with Groove Black Part 3068b Element 306826 ×4
  • Tile Special 1 x 1 with Clip and Straight Tips Black Part 2555 Element 255526 ×2
  • Tile Special 1 x 2 Grille with Bottom Groove Black Part 2412b Element 241226 ×4

Light Gray 62 pieces

  • Bracket 2 x 2 - 2 x 2 Light Gray Part 3956 Element 395602 ×5
  • Brick Sloped 33° 3 x 1 Light Gray Part 4286 Element 428602 ×2
  • Brick Sloped 45° 2 x 1 Triple with Ovoid Bottom Pin Light Gray Part 3048c Element 304802 ×1
  • Brick Sloped Inverted 45° 2 x 1 Light Gray Part 3665 Element 366502 ×4
  • Brick Special 1 x 1 with Headlight Light Gray Part 4070 Element 407002 ×6
  • 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
  • Hinge Tile 1 x 4 Light Gray Part 4625 Element 4256575 or 462502 ×1
  • Panel 1 x 2 x 1 [Square Corners] Light Gray Part 4865a Element 486502 ×4
  • Panel 1 x 2 x 3 [Hollow Studs] Light Gray Part 2362b ×1
  • Plate 1 x 3 Light Gray Part 3623 Element 362302 ×2
  • Plate 2 x 10 Light Gray Part 3832 Element 383202 ×5
  • Plate Round 2 x 2 with Rounded Bottom [Boat Stud] Light Gray Part 2654 Element 265402 ×14
  • Tile 1 x 6 with Groove Light Gray Part 6636 Element 4106326 ×1
  • Tile Special 1 x 2 Grille with Bottom Groove Light Gray Part 2412b Element 241202 ×6
  • Weapon Gun / Torch (Space) [with Grooves] Light Gray Part 3959 Element 4254948 or 395952 ×2

Trans-Neon Orange 16 pieces

  • Antenna 1 x 4 with Rounded Top Trans-Neon Orange Part 3957a Element 4560958 or 4129565 ×4
  • Plate Round 1 x 1 with Solid Stud Trans-Neon Orange Part 6141 Element 6240218 or 3005747 1 spare in the box ×12

Red 15 pieces

  • Brick 2 x 2 Red Part 3003 Element 4103590 or 300371 ×7
  • Brick Round 1 x 1 Open Stud Red Part 3062b Element 306221 ×4
  • Brick Special 2 x 2 with Pin and Axle Hole Red Part 6232 Element 6347696 or 623221 ×2
  • Technic Brick 1 x 2 [1 Pin Hole] Red Part 3700 Element 370021 ×2

Green 5 pieces

  • Plate 2 x 8 Green Part 3034 Element 303428 ×3
  • Plate Special 1 x 2 with Door Rail Green Part 32028 Element 4272665 or 4107760 ×2

Trans-Clear 1 piece

  • Brick 1 x 2 without Bottom Tube Trans-Clear Part 3065 Element 6514262 or 6244904 ×1

White 1 piece

  • Brick 2 x 10 White Part 3006 Element 4617855 or 300601 ×1

Minifigures 7 figures

  • Battle Droid, Two Bent Arms Minifigure, checked as a whole figure ×7

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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