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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.

Trench Run

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6615760 Trench Run

139 pieces in 46 part and color combinations.

LEGO counts 138 pieces. This inventory comes from a separate parts catalog and lists 139; 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.

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Piece checklist

Tiles Special 27 pieces

  • Tile Special 1 x 1 with Clip with Rounded Edges Light Bluish Gray Part 15712 Element 6308012 or 6071229 ×6
  • Tile Special 1 x 2 Grille with Bottom Groove Light Bluish Gray Part 2412b Element 4211350 ×8
  • Tile Special 1 x 2 with Sloped Walls AKA Money / Gold Bar [Ingot] Light Bluish Gray Part 99563 Element 6134378 or 6034045 ×12
  • Tile Special Round 2 x 2 with Hole Light Bluish Gray Part 15535 Element 6179186 ×1

Plates 18 pieces

  • Plate 2 x 2 Black Part 3022 Element 302226 ×4
  • Plate 1 x 8 Dark Bluish Gray Part 3460 Element 4210998 ×4
  • Plate 4 x 8 Dark Bluish Gray Part 3035 Element 4211061 ×2
  • Plate 6 x 8 Dark Bluish Gray Part 3036 Element 4210794 ×2
  • Plate 2 x 2 Corner Light Bluish Gray Part 2420 Element 4211353 ×1
  • Plate 2 x 3 Light Bluish Gray Part 3021 Element 4211396 ×3
  • Plate 1 x 1 Trans-Clear Part 3024 Element 6513962 or 6252041 ×2

Plates Special 18 pieces

  • Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper) Light Bluish Gray Part 15573 Element 6066097 or 4211451 ×13
  • Plate Special 1 x 8 with Door Rail Light Bluish Gray Part 4510 Element 4211498 ×2
  • Plate Special Round 1 x 1 with Hollow Stud and Horizontal Bar 1L Light Bluish Gray Part 32828 Element 6227897 ×1
  • Plate Special 1 x 2 with Handles [Flat Ends / Low Attachment] White Part 3839b Element 6619286 or 383901 ×2

Tiles Round and Curved 13 pieces

  • Tile 2 x 2 Curved, Macaroni Light Bluish Gray Part 27925 Element 6163990 ×4
  • Tile Round 1 x 1 Light Bluish Gray Part 98138 Element 6284071 or 4650260 ×5
  • Tile Round 1 x 1 Half Circle Light Bluish Gray Part 24246 Element 6250597 or 6151688 ×1
  • Tile Round 1 x 2 Half Circle Light Bluish Gray Part 1748 Element 6510070 or 6408629 ×1
  • Tile Round 1 x 1 Trans-Clear Part 98138 Element 6514191 or 6274738 ×2

Bricks 11 pieces

  • Brick 1 x 4 Dark Bluish Gray Part 3010 Element 4211103 ×10
  • Brick 1 x 1 White Part 3005 Element 6552096 or 6548258 ×1

Tiles 11 pieces

  • Tile 1 x 1 with Groove Light Bluish Gray Part 3070b Element 4211415 ×3
  • Tile 1 x 3 Light Bluish Gray Part 63864 Element 4558169 ×8

Minifig Accessories 9 pieces

  • Equipment Binoculars Light Bluish Gray Part 30162 Element 4550170 or 4212313 ×2
  • Equipment Medical Syringe with 2 Holes Light Bluish Gray Part 53020 Element 6361902 or 6263452 ×1
  • Equipment Signal Paddle Light Bluish Gray Part 3900 Element 4211753 ×3
  • Equipment Whisk with Thick Ring with Anti-roll Notch Light Bluish Gray Part 79808 Element 6372781 ×1
  • Musical Instrument Microphone [Plain] Light Bluish Gray Part 90370 Element 6199163 ×1
  • Sports Roller Skate Light Bluish Gray Part 11253 Element 6217791 ×1

Bricks Curved 8 pieces

  • Brick Curved 1 x 1 x 2/3 Double Curved Top, No Studs Light Bluish Gray Part 49307 Element 6262085 ×8

Bricks Special 8 pieces

  • Brick Special 1 x 1 with Studs on 2 Sides Black Part 47905 Element 4214559 ×2
  • Brick Special 1 x 2 with 2 Studs on 1 Side Dark Bluish Gray Part 11211 Element 6230233 ×4
  • Brick Special 1 x 1 with Headlight Light Bluish Gray Part 4070 Element 4211476 ×1
  • Brick Special 1 x 1 with Studs on 2 Sides Red Part 47905 Element 6030266 or 4550236 ×1

Plates Round Curved and Dishes 4 pieces

  • Plate Round 1 x 1 with Solid Stud Light Bluish Gray Part 6141 Element 4211525 ×2
  • Plate Round Corner 2 x 2 with 1 x 1 Cutout Light Bluish Gray Part 79491 Element 6569357 ×2

Bricks Round and Cones 3 pieces

  • Brick Round 1 x 1 Open Stud Trans-Clear Part 3062b Element 6514232 or 6223655 ×3

Bricks Sloped 3 pieces

  • Brick Sloped 18° 2 x 1 x 2/3 with 4 Slots / Grate Light Bluish Gray Part 61409 Element 6092111 ×1
  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Trans-Clear Part 54200 Element 6245250 or 4244362 Also in White ×1
  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) White Part 54200 Element 6550179 or 4504369 Also in Trans-Clear ×1

Minifig Shields, Weapons, & Tools 2 pieces

  • Weapon Lightsaber Hilt with Bottom Ring Light Bluish Gray Part 64567 Element 4581155 or 4539481 ×1
  • Weapon Spike Flexible 3.5L Light Bluish Gray Part 64727 Element 6270081 or 4616840 ×1

Plates Wedged 2 pieces

  • Wedge Plate 3 x 2 Right Light Bluish Gray Part 43722 Element 4211791 ×2

Plants & Trees 1 piece

  • Plant, Flower, Plate Round 1 x 1 with 5 Petals Light Bluish Gray Part 24866 Element 6343322 ×1

Pneumatics 1 piece

  • Pneumatic T-Piece (T Bar) [New Style] Light Bluish Gray Part 4697b Element 4211508 ×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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