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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.

Tug Boat

Checking

4005 Tug Boat

62 pieces in 40 part and color combinations, plus 1 minifigure.

The official piece count includes the 4 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

Plates 16 pieces

  • Plate 2 x 3 Black Part 3021 Element 302126 ×1
  • Plate 2 x 3 Red Part 3021 Element 302121 ×1
  • Plate 1 x 1 Trans-Green Part 3024 Element 6513967 or 6252046 ×1
  • Plate 1 x 1 Trans-Red Part 3024 Element 6513963 or 6252042 ×1
  • Plate 1 x 2 White Part 3023 Element 6552100 or 6548261 ×2
  • Plate 1 x 4 White Part 3710 Element 6552108 or 6548266 ×7
  • Plate 2 x 2 White Part 3022 Element 6552099 or 6548260 ×1
  • Plate 2 x 3 White Part 3021 Element 6550136 or 302101 ×1
  • Plate 2 x 6 White Part 3795 Element 6550146 or 379501 ×1

Bricks 14 pieces

  • Brick 1 x 2 Red Part 3004 Element 4613961 or 300421 ×2
  • Brick 2 x 2 without Inside Ridges Red Part 3003a ×1
  • Brick 1 x 1 White Part 3005 Element 6552096 or 6548258 ×2
  • Brick 1 x 2 White Part 3004 Element 6548257 or 4613964 ×4
  • Brick 1 x 4 White Part 3010 Element 6550135 or 301001 ×2
  • Brick 2 x 2 without Inside Ridges White Part 3003a ×1
  • Brick 2 x 4 without Cross Supports White Part 3001a ×2

Plates Special 6 pieces

  • Plate Special 1 x 2 with Ladder Black Part 4175 Element 6285241 or 6179557 ×2
  • Plate Special 1 x 2 with Ladder Light Gray Part 4175 Element 4100526 or 417502 ×2
  • Plate Special 1 x 1 with Clip Vertical [Thin Open O Clip] White Part 4085a ×2

Bricks Sloped 5 pieces

  • Brick Sloped 75° 2 x 2 x 3 [Hollow Studs] Red Part 3684 Element 4588467 or 4561792 ×1
  • Brick Sloped 45° 2 x 1 with Bottom Pin White Part 3040b Element 6552115 or 4121932 ×4

Transportation - Sea and Air 5 pieces

  • Boat Hull Section, Bow 6 x 8 x 3 1/3 with Light Gray Deck Black Part 997c01 ×1
  • Boat Hull Section, Middle 6 x 8 x 3 1/3 with Light Gray Deck Black Part 185c01 ×1
  • Boat Hull Section, Stern 6 x 6 x 3 1/3 with Light Gray Deck Black Part 164c01 ×1
  • Boat, Keel Weighted 8 x 2 x 4 Black Part upn0206 ×1
  • Boat, Mast 2 x 2 x 3 Inclined with Stud on Top and Two Sides White Part 4289 Element 6108866 or 4253859 ×1

Minifig Accessories 3 pieces

  • Equipment Radio [Compact Handle] Black Part 3962a ×1
  • Equipment Weapon, Loudhailer / Speaker / Blaster / Space Gun Black Part 4349 Element 434926 ×2

String, Bands and Reels 3 pieces

  • String Cord Thin (0.5mm) [Undetermined Length] Black Part 56823 Element 7009426 ×1
  • String Reel 2 x 4 x 2 Drum Black Part 4208 Element 4262023 or 4248436 ×1
  • String Reel 2 x 4 x 2 Holder With Closed Studs White Part 4209 ×1

Bars, Ladders and Fences 2 pieces

  • Bar 1 x 4 x 2 with Studs Yellow Part 4083 Element 408324 ×2

Hinges, Arms and Turntables 2 pieces

  • Hinge Vehicle Roof 4 x 4 White Part 4213 Element 4256454 or 421301 ×1
  • Hinge Vehicle Roof Holder 1 x 4 White Part 4315 Element 4214079 or 4190507 ×1

Minifig Shields, Weapons, & Tools 1 piece

  • Tool Screwdriver and Spanner / Wrench Black Part 4006 Element 6034000 or 4569095 ×1

Plates Round Curved and Dishes 1 piece

  • Plate Round 1 x 1 with Solid Stud Trans-Yellow Part 6141 Element 6514056 or 6240216 ×1

Stickers 1 piece

  • Sticker Sheet for Set 4005-1 [No Color/Any Color] Part 194175 ×1

Supports, Girders and Cranes 1 piece

  • Hook, Plate 1 x 2 with Crane Hook Left Red Part 3127 Element 4120019 ×1

Transportation - Land 1 piece

  • Steering Stand 1 x 2 with Black Steering Wheel White Part 3829c01 Element 4208543 or 9551 ×1

Windscreens and Fuselage 1 piece

  • Windscreen 2 x 4 x 2 Inverted Trans-Clear Part 4284 Element 4528851 or 4176943 ×1

Minifigures 1 figure

  • Man with Blue Torso and Black Pants 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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