The Workshop Sheet 10 of 21

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.

Lego Motion 2A, Swamp Stinger

Checking

1648 Lego Motion 2A, Swamp Stinger

16 pieces in 11 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.

  • Brick Sloped 45° 2 x 2 White ×1 Trans-Clear ×1 Trans-Clear is see-through: hold the piece up to a light.
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Piece checklist

Blue 5 pieces

  • Brick Sloped 45° 2 x 2 Blue Part 3039 Element 303923 ×2
  • Brick Sloped 45° 2 x 3 Blue Part 3038 Element 4580925 or 4112233 ×2
  • Brick Sloped 45° 3 x 4 Double / 33° Blue Part 4861 Element 4512826 or 4187744 ×1

White 5 pieces

  • Brick Sloped 45° 2 x 2 White Part 3039 Element 6552103 or 303901 Also in Trans-Clear ×1
  • Brick Special 2 x 2 with Pin and No Axle Hole White Part 4730 ×1
  • Plate 2 x 6 White Part 3795 Element 6550146 or 379501 ×1
  • Plate 2 x 8 White Part 3034 Element 6552101 or 303401 ×2

Red 4 pieces

  • Brick 1 x 6 Red Part 3009 Element 300921 ×2
  • Brick Sloped Inverted 34° 3 x 1 without Internal Stopper Red Part 4287a ×2

Light Gray 1 piece

  • Propeller 4 Blade 5 Diameter with Rounded Ends, Open Hub Light Gray Part 2479 Element 247902 ×1

Trans-Clear 1 piece

  • Brick Sloped 45° 2 x 2 Trans-Clear Part 3039 Element 6514100 or 6244886 Also in White ×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.