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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.

Road Construction Set

Checking

6187 Road Construction Set

296 pieces in 103 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.

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

Bricks 138 pieces

  • Brick 1 x 1 Black Part 3005 Element 300526 ×4
  • Brick 1 x 8 Black Part 3008 Element 300826 Also in Dark Bluish Gray ×2
  • Brick 1 x 1 Blue Part 3005 Element 300523 ×4
  • Brick 1 x 2 Blue Part 3004 Element 4613959 or 300423 ×4
  • Brick 1 x 3 Blue Part 3622 Element 362223 ×2
  • Brick 1 x 4 Blue Part 3010 Element 301023 ×4
  • Brick 1 x 8 Blue Part 3008 Element 300823 ×2
  • Brick 2 x 2 Blue Part 3003 Element 4103589 or 300373 ×4
  • Brick 2 x 3 Blue Part 3002 Element 300223 ×4
  • Brick 2 x 4 Blue Part 3001 Element 300173 or 300123 ×3
  • Brick 1 x 2 Dark Bluish Gray Part 3004 Element 4211088 ×4
  • Brick 1 x 8 Dark Bluish Gray Part 3008 Element 4211099 Also in Black ×2
  • Brick 1 x 1 Green Part 3005 Element 300528 ×3
  • Brick 1 x 2 Green Part 3004 Element 4107736 or 300428 ×4
  • Brick 1 x 3 Green Part 3622 Element 4109679 or 362228 ×2
  • Brick 1 x 4 Green Part 3010 Element 4112838 or 301028 ×4
  • Brick 1 x 6 Green Part 3009 Element 4111844 or 300928 ×2
  • Brick 2 x 2 Green Part 3003 Element 300328 ×4
  • Brick 2 x 3 Green Part 3002 Element 4109674 or 300228 ×4
  • Brick 2 x 4 Green Part 3001 Element 4106356 or 300128 ×3
  • Brick 2 x 6 Green Part 2456 Element 4181135 or 4142867 ×3
  • Brick 1 x 2 Light Bluish Gray Part 3004 Element 4211388 ×4
  • Brick 2 x 4 Light Bluish Gray Part 3001 Element 4211385 ×2
  • Brick 2 x 6 Light Bluish Gray Part 2456 Element 4274668 or 4211795 ×3
  • Brick 1 x 1 Orange Part 3005 Element 4173805 or 4119645 ×4
  • Brick 1 x 2 Orange Part 3004 Element 4613981 or 4121739 ×4
  • Brick 1 x 3 Orange Part 3622 Element 4118787 ×2
  • Brick 1 x 4 Orange Part 3010 Element 4118827 ×4
  • Brick 2 x 2 Orange Part 3003 Element 4153825 or 4119643 ×4
  • Brick 2 x 3 Orange Part 3002 Element 4153826 or 4125971 ×4
  • Brick 2 x 4 Orange Part 3001 Element 4153827 or 4119641 ×3
  • Brick 1 x 1 Red Part 3005 Element 300521 ×4
  • Brick 1 x 2 Red Part 3004 Element 4613961 or 300421 ×4
  • Brick 1 x 4 Red Part 3010 Element 301021 ×2
  • Brick 1 x 6 Red Part 3009 Element 300921 ×2
  • Brick 2 x 8 Red Part 3007 Element 6036408 or 300721 ×4
  • Brick 1 x 1 Yellow Part 3005 Element 300524 ×4
  • Brick 1 x 2 Yellow Part 3004 Element 4613966 or 300424 ×4
  • Brick 1 x 3 Yellow Part 3622 Element 362224 ×2
  • Brick 1 x 6 Yellow Part 3009 Element 300924 ×4
  • Brick 2 x 3 Yellow Part 3002 Element 300224 ×2
  • Brick 2 x 4 Yellow Part 3001 Element 300124 ×2
  • Brick 2 x 6 Yellow Part 2456 Element 4181143 or 245624 ×2

Bricks Sloped 30 pieces

  • Brick Sloped 33° 3 x 2 Black Part 3298 Element 329826 ×2
  • Brick Sloped 45° 2 x 1 with Bottom Pin Black Part 3040b Element 4121966 or 304026 ×2
  • Brick Sloped 45° 2 x 2 Black Part 3039 Element 303926 ×2
  • Brick Sloped 45° 2 x 2 Green Part 3039 Element 303928 ×2
  • Brick Sloped Inverted 45° 2 x 1 Light Bluish Gray Part 3665 Element 4211437 ×4
  • Brick Sloped 33° 3 x 2 Red Part 3298 Element 329821 ×2
  • Brick Sloped 45° 2 x 1 with Bottom Pin Red Part 3040b Element 4121934 or 304021 ×2
  • Brick Sloped 45° 2 x 2 Red Part 3039 Element 303921 ×4
  • Brick Sloped Inverted 45° 2 x 1 Red Part 3665 Element 366521 ×2
  • Brick Sloped 18° 4 x 2 Yellow Part 30363 Element 4124463 ×2
  • Brick Sloped 33° 3 x 2 Yellow Part 3298 Element 329824 ×2
  • Brick Sloped 45° 2 x 1 with Bottom Pin Yellow Part 3040b Element 4121965 or 304024 ×2
  • Brick Sloped 45° 2 x 2 Yellow Part 3039 Element 303924 ×2

Wheels and Tyres 26 pieces

  • Tread Small (20 Links) Black Part 43903 Element 4180576 ×2
  • Tyre 24 x 14 Shallow Tread (Tread Small Hub) Black Part 30648 Element 4524358 or 4153005 ×10
  • Wheel 18 x 14 with Pin Hole, Fake Bolts and Shallow Spokes Light Bluish Gray Part 55981 Element 6109684 or 4299119 ×14

Plates 25 pieces

  • Plate 1 x 6 Black Part 3666 Element 366626 ×2
  • Plate 2 x 16 Black Part 4282 Element 428276 or 428226 ×1
  • Plate 2 x 4 Black Part 3020 Element 302026 ×2
  • Plate 2 x 6 Black Part 3795 Element 379526 ×2
  • Plate 1 x 4 Green Part 3710 Element 371028 ×2
  • Plate 2 x 4 Light Bluish Gray Part 3020 Element 4211395 ×2
  • Plate 1 x 4 Red Part 3710 Element 371021 ×5
  • Plate 2 x 2 Red Part 3022 Element 4613974 or 302221 ×2
  • Plate 2 x 4 Red Part 3020 Element 302021 ×2
  • Plate 2 x 6 Red Part 3795 Element 379521 ×4
  • Plate 4 x 6 Red Part 3032 Element 303221 ×1

Bricks Round and Cones 17 pieces

  • Brick Round 1 x 1 Open Stud Light Bluish Gray Part 3062b Element 4211412 ×9
  • Brick Round 1 x 1 Open Stud Trans-Neon Green Part 3062b Element 6514237 or 6238675 ×4
  • Brick Round 1 x 1 Open Stud Trans-Neon Orange Part 3062b Element 6238676 or 4153989 ×4

Plates Special 13 pieces

  • Plate Special 1 x 2 [Side Handle Closed Ends] Black Part 48336 Element 4225201 ×1
  • Plate Special 1 x 2 with Ladder Black Part 4175 Element 6285241 or 6179557 ×4
  • Plate Special 1 x 2 with 1 Stud without Groove (Jumper) Light Bluish Gray Part 3794a ×2
  • Plate Special 2 x 2 with 2 Pin Holes Light Bluish Gray Part 2817 Element 4211376 ×2
  • Plate Special 2 x 4 with Pins Light Bluish Gray Part 30157 Element 4211572 ×4

Bricks Special 9 pieces

  • Brick Special 1 x 2 with Pin Dark Bluish Gray Part 2458 Element 4211087 ×4
  • Brick Special 1 x 4 with 4 Studs on One Side Dark Bluish Gray Part 30414 Element 4210725 ×1
  • Brick Special 2 x 2 with 2 Pins and Axle Hole Dark Bluish Gray Part 30000 Element 6405646 or 4211024 ×1
  • Brick Special 1 x 4 with 4 Studs on One Side Yellow Part 30414 Element 4164073 or 3041424 ×3

Plates Round Curved and Dishes 8 pieces

  • Plate Round 1 x 1 with Solid Stud Trans-Neon Green Part 6141 Element 6240223 or 3005749 1 spare in the box ×4
  • Plate Round 1 x 1 with Solid Stud Trans-Red Part 6141 Element 6514051 or 6208450 1 spare in the box ×4

Transportation - Land 6 pieces

  • Steering Wheel Small, 2 x 2 Black Part 30663 Element 4153044 ×1
  • Vehicle Base, Brick Special 4 x 10 with 4 Pins Black Part 30076 Element 6352696 or 6023257 ×1
  • Tipper Bed 12 x 8 x 3 1/3 Red Part 30300 Element 4521105 ×1
  • Construction Vehicle Bucket 4 x 8 with Locking 2 Finger Hinge, Flat Inside Yellow Part 47508 Element 4209728 ×1
  • Steering Stand 1 x 2 with Black Steering Wheel Yellow Part 3829c01 Element 9553 ×2

Tiles Special 5 pieces

  • Tile Special 2 x 3 with 2 Clips [Thick Open O Clips] Black Part 30350b Element 4297713 ×1
  • Tile Special 1 x 2 Grille with Bottom Groove Dark Bluish Gray Part 2412b Element 4210631 ×4

Technic Pins 4 pieces

  • Technic Pin without Friction Ridges Lengthwise Light Bluish Gray Part 3673 Element 4211807 or 3673194 1 spare in the box ×4

Windscreens and Fuselage 4 pieces

  • Windscreen 2 x 4 x 2 Trans-Clear Part 3823 Element 6581801 or 6253681 ×1
  • Windscreen 2 x 6 x 2, Wide Top Trans-Clear Part 4176 Element 4502193 or 4179426 ×1
  • Windscreen 2 x 4 x 3 Frame with Hollow Studs Yellow Part 2352b Element 235224 ×2

Bricks Curved 3 pieces

  • Brick Curved 2 x 3 Green Part 6215 Element 621528 ×3

Hinges, Arms and Turntables 3 pieces

  • Hinge Brick 1 x 6 Locking with 1 Finger Vertical End and 2 Fingers Vertical End, 9 Teeth Black Part 30388 Element 4226509 or 3038826 ×1
  • Hinge Brick 2 x 2 Locking with 2 Fingers Vertical and Axle Hole, 9 Teeth Light Bluish Gray Part 40902 Element 6093870 or 4215971 ×1
  • Hinge Brick 2 x 2 Locking with 1 Finger Vertical and Axle Hole [X Opening] Yellow Part 30389c Element 4163901 or 4144515 ×1

Tiles 2 pieces

  • Tile 1 x 4 with Groove Light Bluish Gray Part 2431 Element 4211356 or 2431194 ×2

Windows and Doors 2 pieces

  • Door 1 x 3 x 1 Left Red Part 3822 Element 4288209 or 4188202 ×1
  • Door 1 x 3 x 1 Right Red Part 3821 Element 4537986 or 4288208 ×1

Plates Wedged 1 piece

  • Wedge Plate 4 x 6 Cut Corners Black Part 32059 Element 4129572 ×1

Minifigures 1 figure

  • Construction Worker, Orange Jacket with Zipper and Reflective Stripes, Red Hard Hat, Goatee Beard 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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