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The Workshop Sheet 10 of 22

LEGO Missing Piece Checker

Enter a set number, mark each piece found or missing, and leave with a list of what is missing, the element IDs LEGO asks for and links to buy the parts. It is free and needs no account. Rule out the usual hiding places first.

Excavator

Checking

6678 Excavator

57 pieces in 34 part and color combinations, plus 1 minifigure.

LEGO counts 60 pieces. This inventory comes from a separate parts catalog and lists 61, including the 4 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.

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.

  • Plate 1 x 1 Yellow ×2 Trans-Yellow ×2 Trans-Yellow is see-through: hold the piece up to a light.
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Piece checklist

Black 29 pieces

  • Bar 1 x 4 x 2 with Studs Black Part 4083 Element 408326 ×1
  • Brick 2 x 2 without Inside Ridges Black Part 3003a ×1
  • Hinge Plate 2 x 5 with Large Hole [Complete Assembly] Black Part 3149bc01 Element 4161112 or 4106943 ×2
  • Plate 1 x 1 Black Part 3024 Element 302426 ×2
  • Plate 1 x 2 Black Part 3023 Element 302326 ×2
  • Plate 2 x 4 Black Part 3020 Element 302026 ×2
  • Plate 2 x 8 Black Part 3034 Element 303426 ×2
  • Plate 4 x 4 Black Part 3031 Element 4243819 or 303126 ×1
  • Plate Special 1 x 1 with Clip Vertical [Thin Open O Clip] Black Part 4085a ×2
  • Plate Special 2 x 2 with Wheels Red Black Part 122c01 ×2
  • Plate Special 2 x 5 with Towball Socket Black Part 3491 ×1
  • Tile 1 x 2 with Groove Black Part 3069b Element 306926 ×4
  • Turntable 2 x 2 Plate, Base Black Part 3680 Element 368076 or 368026 ×1
  • Tyre 21 x 8 Offset Tread Medium Black Part 4084 ×4
  • Weapon Gun / Torch (Space) [with Grooves] Black Part 3959 Element 4254942 or 395976 ×2

Yellow 17 pieces

  • Brick 1 x 1 Yellow Part 3005 Element 300524 ×2
  • Brick 1 x 4 Yellow Part 3010 Element 301024 ×1
  • Brick Special 1 x 1 with Headlight Yellow Part 4070 Element 407024 ×2
  • Crane Bucket [Complete Assembly] Yellow Part 3492c01 Element 6021197 or 4614755 ×1
  • Plate 1 x 1 Yellow Part 3024 Element 302424 Also in Trans-Yellow ×2
  • Plate 1 x 4 Yellow Part 3710 Element 371024 ×3
  • Plate 1 x 8 Yellow Part 3460 Element 346024 ×2
  • Plate 2 x 2 Yellow Part 3022 Element 4613978 or 302224 ×2
  • Plate 2 x 3 Yellow Part 3021 Element 302124 ×1
  • Plate 4 x 8 Yellow Part 3035 Element 303524 ×1

Light Gray 4 pieces

  • Brick Round 1 x 1 Open Stud Light Gray Part 3062b Element 306202 ×1
  • Turntable 2 x 2 Plate - Top Light Gray Part 3679 Element 367952 or 367902 ×1
  • Weapon Gun / Torch (Space) [with Grooves] Light Gray Part 3959 Element 4254948 or 395952 ×2

Trans-Yellow 3 pieces

  • Brick Round 1 x 1 Open Stud Trans-Yellow Part 3062b Element 6514236 or 6238674 ×1
  • Plate 1 x 1 Trans-Yellow Part 3024 Element 6513966 or 6252045 Also in Yellow ×2

Red 2 pieces

  • Seat / Chair 2 x 2 Red Part 4079 ×1
  • Steering Stand 1 x 2 with Black Steering Wheel Red Part 3829c01 Element 9552 ×1

Trans-Clear 2 pieces

  • Brick 2 x 4 without Cross Supports Trans-Clear Part 3001a ×1
  • Windscreen 2 x 4 x 2 Trans-Clear Part 3823 Element 6581801 or 6253681 ×1

Minifigures 1 figure

  • Man, Blue Torso, Black Legs, Red Hard Hat 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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