Free tool

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.

Modular Racers

Checking

EG00005 Modular Racers

198 pieces in 63 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.

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Piece checklist

Black 50 pieces

  • Bracket 1 x 2 - 1 x 2 Black Part 99781 Element 6016172 ×8
  • Grille Bar 1 x 4 x 1 2/3 Bull Bar, Rounded Black Part 35654 Element 6207258 ×1
  • Plate 1 x 10 Black Part 4477 Element 447726 ×4
  • Plate 2 x 4 Black Part 3020 Element 302026 ×1
  • Plate 4 x 6 Black Part 3032 Element 303226 ×2
  • Plate Special 1 x 4 with 2 Studs with Groove [New Underside] Black Part 41740 Element 6254045 ×4
  • Plate Special 2 x 2 with Only 2 studs Black Part 33909 Element 6192346 ×8
  • Plate Special 2 x 2 with Wheel Holder with Widened Center Pin Black Part 67688 Element 6482959 or 6371450 ×8
  • Tile 2 x 2 Corner Black Part 14719 Element 6133722 ×4
  • Tile 2 x 4 with Groove Black Part 87079 Element 4560182 ×2
  • Tyre 21 x 9.9 Black Part 11209 Element 6029208 ×8

Red 34 pieces

  • Brick Curved 1 x 2 x 1 1/3 with Curved Top Red Part 6091 Element 6184782 or 609121 ×2
  • Brick Curved 2 x 1 No Studs [1/2 Bow] Red Part 11477 Element 6029946 ×2
  • Brick Curved 2 x 2 x 2/3 Red Part 15068 Element 6105976 ×8
  • Brick Curved 3 x 1 No Studs Red Part 50950 Element 4251162 ×4
  • Plate 1 x 2 Red Part 3023 Element 302321 ×1
  • Plate 1 x 4 Red Part 3710 Element 371021 ×5
  • Plate 2 x 3 Red Part 3021 Element 302121 ×2
  • Plate 2 x 4 Red Part 3020 Element 302021 ×5
  • Plate 4 x 4 Red Part 3031 Element 4243814 or 303121 ×1
  • Seat / Chair 2 x 2 with Center Sprue Mark Red Part 4079b Element 407921 ×1
  • Tile 1 x 3 Red Part 63864 Element 4533742 ×2
  • Tile Round 1 x 1 Half Circle Red Part 24246 Element 6258973 ×1

Light Bluish Gray 31 pieces

  • Bar Holder with Hole and Bar Handle Light Bluish Gray Part 23443 Element 6343976 or 6152107 ×6
  • Brick Wedged, Curved 2 x 1 with Stud Notch Left Light Bluish Gray Part 29120 Element 6225139 ×1
  • Brick Wedged, Curved 2 x 1 with Stud Notch Right Light Bluish Gray Part 29119 Element 6225142 ×1
  • Engine / Air Scoop 2 x 2 Light Bluish Gray Part 50943 Element 4259422 ×1
  • Plate Special 1 x 3 with 2 Studs with Groove and Inside Stud Holder (Jumper) Light Bluish Gray Part 34103 Element 6211969 ×4
  • Plate Special 2 x 2 x 2/3 with Two Studs On Side and Two Raised [Solid Anti-stud] Light Bluish Gray Part 99206 Element 4654577 ×8
  • Steering Stand 1 x 2 with Black Steering Wheel Light Bluish Gray Part 3829c01 Element 4226995 ×2
  • Tile Special 1 x 1 with Clip with Rounded Edges Light Bluish Gray Part 15712 Element 6308012 or 6071229 ×8

Blue 30 pieces

  • Brick 1 x 4 Blue Part 3010 Element 301023 ×1
  • Brick Curved 2 x 1 No Studs [1/2 Bow] Blue Part 11477 Element 6055065 ×8
  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Blue Part 54200 Element 4504380 or 4296154 ×2
  • Brick Sloped 30° 1 x 2 x 2/3 Blue Part 85984 Element 4651236 ×2
  • Plate 1 x 3 Blue Part 3623 Element 362323 ×2
  • Plate 1 x 4 Blue Part 3710 Element 371023 ×2
  • Plate 2 x 3 Blue Part 3021 Element 302123 ×2
  • Plate 2 x 4 Blue Part 3020 Element 4240375 or 302023 ×4
  • Tile 1 x 1 with Groove Blue Part 3070b Element 4206330 or 307073 ×2
  • Tile 1 x 2 with Groove Blue Part 3069b Element 306923 ×2
  • Tile 1 x 6 with Groove Blue Part 6636 Element 4118785 or 4108153 ×3

Dark Bluish Gray 16 pieces

  • Bracket 1 x 1 - 1 x 1 Inverted Dark Bluish Gray Part 36840 Element 6225494 ×2
  • Bracket 1 x 2 - 1 x 2 Inverted Dark Bluish Gray Part 99780 Element 6000606 ×8
  • Brick 1 x 2 x 2 with Inside Stud Holder Dark Bluish Gray Part 3245c Element 4210978 ×2
  • Plate 2 x 10 Dark Bluish Gray Part 3832 Element 4210678 ×2
  • Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper) Dark Bluish Gray Part 15573 Element 6092572 ×2

White 13 pieces

  • Brick Curved 2 x 2 x 2/3 White Part 15068 Element 6552147 or 6047220 ×3
  • Brick Sloped 30° 1 x 2 x 2/3 White Part 85984 Element 6550189 or 4547489 ×1
  • Plate 2 x 2 White Part 3022 Element 6552099 or 6548260 ×2
  • Tile 2 x 3 White Part 26603 Element 6552162 or 6550161 ×2
  • Tile 2 x 4 with Groove White Part 87079 Element 6548271 or 4560178 ×1
  • Wedge Plate 3 x 2 Left White Part 43723 Element 6552121 or 4179875 ×2
  • Wedge Plate 3 x 2 Right White Part 43722 Element 6552120 or 4179874 ×2

Flat Silver 12 pieces

  • Cone 1 x 1 [Top Groove] Flat Silver Part 59900 Element 6121350 ×2
  • Tile Special 1 x 2 Grille with Bottom Groove Flat Silver Part 2412b Element 4619636 ×2
  • Wheel 14mm D. x 9.9mm with Centre Groove, Fake Bolts and 6 Spokes Flat Silver Part 11208 Element 6218226 ×8

Orange 6 pieces

  • Cone 1 x 1 [Top Groove] Orange Part 59900 Element 4518029 ×3
  • Plate 1 x 1 Orange Part 3024 Element 4524929 or 4203454 ×3

Yellow 4 pieces

  • Plate 2 x 3 Yellow Part 3021 Element 302124 ×2
  • Seat / Chair 2 x 2 with Center Sprue Mark Yellow Part 4079b Element 407924 ×1
  • Tile Round 1 x 1 Yellow Part 98138 Element 6284577 or 6070714 ×1

Trans-Clear 2 pieces

  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Trans-Clear Part 54200 Element 6245250 or 4244362 ×2

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.