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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.

LEGO Arcade Race

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5009378 LEGO Arcade Race

115 pieces in 54 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.

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Piece checklist

Plates 25 pieces

  • Plate 1 x 2 Black Part 3023 Element 302326 ×8
  • Plate 1 x 4 Black Part 3710 Element 371026 ×2
  • Plate 4 x 6 Black Part 3032 Element 303226 ×2
  • Plate 6 x 8 Black Part 3036 Element 303676 or 303626 ×1
  • Plate 2 x 6 Blue Part 3795 Element 379523 ×2
  • Plate 1 x 6 Dark Blue Part 3666 Element 4508313 or 4177734 ×2
  • Plate 1 x 4 Light Bluish Gray Part 3710 Element 4211445 ×2
  • Plate 2 x 4 Light Bluish Gray Part 3020 Element 4211395 ×1
  • Plate 2 x 6 Light Bluish Gray Part 3795 Element 4211452 or 3795194 ×1
  • Plate 3 x 3 Light Bluish Gray Part 11212 Element 6015347 ×2
  • Plate 4 x 6 White Part 3032 Element 303201 ×2

Plates Special 15 pieces

  • Bracket 2 x 2 with 1 x 2 Vertical Studs Black Part 41682 Element 6250020 ×2
  • Plate Special 1 x 2 with Clips Horizontal [Open O Clips] Black Part 60470b Element 6310268 or 4556158 ×1
  • Plate Special 2 x 2 with Only 2 studs Black Part 33909 Element 6192346 ×2
  • Plate Special 1 x 2 [Side Handle Closed Ends] Blue Part 48336 Element 4514398 or 4247103 ×1
  • Plate Special 1 x 2 [Side Handle Closed Ends] Pearl Gold Part 48336 Element 4585493 ×8
  • Plate Special 2 x 2 with Groove and Center Stud (Jumper) Red Part 87580 Element 6126048 or 4581308 ×1

Tiles Round and Curved 14 pieces

  • Tile Round 1 x 1 Half Circle Flat Silver Part 24246 Element 6231636 ×2
  • Tile Round 1 x 1 Trans-Dark Blue Part 98138 Element 6514190 or 6273627 ×2
  • Tile Round 1 x 1 Trans-Green Part 98138 Element 6514194 or 6274742 ×4
  • Tile Round 1 x 1 Trans-Red Part 98138 Element 6514189 or 6258607 ×4
  • Tile Round 1 x 1 Trans-Yellow Part 98138 Element 6514193 or 6274740 ×2

Hinges, Arms and Turntables 12 pieces

  • Hinge Brick 2 x 2 Top Plate Thin Black Part 6134 Element 4124096 or 613426 ×2
  • Hinge Plate 1 x 2 Locking with 1 Finger On End, without Groove Black Part 44301b Element 6266224 ×4
  • Hinge Plate 1 x 2 Locking with 2 Fingers On End, without Groove, 7 Teeth Dark Bluish Gray Part 54657 Element 6267047 ×4
  • Hinge Brick 1 x 2 Base Red Part 3937 Element 393721 ×2

Bricks 10 pieces

  • Brick 1 x 2 Black Part 3004 Element 300426 ×2
  • Brick 2 x 3 Black Part 3002 Element 300226 ×4
  • Brick 1 x 1 Dark Bluish Gray Part 3005 Element 4211098 ×1
  • Brick 2 x 4 Dark Bluish Gray Part 3001 Element 4211085 ×1
  • Brick 2 x 4 Red Part 3001 Element 300121 ×1
  • Brick 1 x 2 Yellow Part 3004 Element 4613966 or 300424 ×1

Bricks Sloped 10 pieces

  • Brick Sloped 18° 2 x 1 x 2/3 with 4 Slots / Grate Black Part 61409 Element 4541191 ×2
  • Brick Sloped 30° 1 x 2 x 2/3 Black Part 85984 Element 4548180 ×2
  • Brick Sloped Inverted 45° 2 x 1 Black Part 3665 Element 366526 ×2
  • Brick Sloped 45° 2 x 1 with Bottom Pin Dark Bluish Gray Part 3040b Element 4211135 ×1
  • Brick Sloped 45° 2 x 2 Light Bluish Gray Part 3039 Element 4211410 ×1
  • Brick Sloped 45° 2 x 1 with Bottom Pin Red Part 3040b Element 4121934 or 304021 ×2

Tiles Special 10 pieces

  • Tile Special 1 x 2 with Sloped Walls AKA Money / Gold Bar [Ingot] Pearl Titanium Part 99563 Element 6208447 ×4
  • Tile 1 x 2 with Stud Notch Left Yellow Part 5091 Element 6510138 ×2
  • Tile 1 x 2 with Stud Notch Right Yellow Part 5092 Element 6510151 or 6494103 ×2
  • Tile 45° Cut 2 x 2 (Triangle) Yellow Part 35787 Element 6329868 ×2

Tiles 9 pieces

  • Tile 2 x 2 with Groove Blue Part 3068b Element 306823 ×1
  • Tile 1 x 2 with '100' Banknote Print Green Part 3069bpr0100 Element 4295260 or 82317 ×2
  • Tile 1 x 4 with Groove Green Part 2431 Element 243128 ×2
  • Tile 1 x 3 Red Part 63864 Element 4533742 ×2
  • Tile 1 x 2 with Broken Arrow Long Yellow with Black Border Print White Part 3069bpr0206 Element 6194502 ×2

Bricks Special 4 pieces

  • Brick Special 1 x 1 with Headlight Black Part 4070 Element 407026 ×2
  • Brick Special 1 x 2 with Grille Dark Bluish Gray Part 2877 Element 4210636 ×2

Minifig Accessories 2 pieces

  • Sports Roller Skate Pearl Gold Part 11253 Element 6132266 ×1
  • Sports Roller Skate Red Part 11253 Element 6177500 ×1

Plates Wedged 2 pieces

  • Wedge Plate 2 x 2 Cut Corner Light Bluish Gray Part 26601 Element 6186657 ×2

Plates Round Curved and Dishes 1 piece

  • Plate Round 2 x 2 with Rounded Bottom [Boat Stud] Trans-Dark Blue Part 2654 Element 6581774 or 6171732 ×1

Transportation - Land 1 piece

  • Steering Wheel Small, 2 x 2 [Reinforced] Black Part 16091 Element 6057397 ×1

Minifigures 1 figure

  • White Torso with Classic Space Fig, Blue Legs, Dark Orange Hair 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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