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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.

Bumblebee Robot & Vehicle

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40804 Bumblebee Robot & Vehicle

253 pieces in 85 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.

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Piece checklist

Plates 68 pieces

  • Plate 1 x 1 Black Part 3024 Element 302426 1 spare in the box ×2
  • Plate 1 x 2 Black Part 3023 Element 302326 Also in Dark Bluish Gray ×4
  • Plate 2 x 2 Black Part 3022 Element 302226 ×2
  • Plate 2 x 4 Black Part 3020 Element 302026 ×5
  • Plate 2 x 6 Black Part 3795 Element 379526 ×1
  • Plate 6 x 6 Black Part 3958 Element 395826 ×2
  • Plate 2 x 2 Blue Part 3022 Element 4613973 or 302223 ×3
  • Plate 1 x 2 Dark Bluish Gray Part 3023 Element 4211063 Also in Black ×1
  • Plate 1 x 4 Green Part 3710 Element 371028 ×1
  • Plate 2 x 6 Light Bluish Gray Part 3795 Element 4211452 or 3795194 ×2
  • Plate 1 x 2 Medium Azure Part 3023 Element 6603337 or 6097419 ×1
  • Plate 1 x 4 Medium Azure Part 3710 Element 6603965 or 6070757 ×1
  • Plate 2 x 4 Medium Azure Part 3020 Element 6603317 or 6013826 ×1
  • Plate 1 x 4 White Part 3710 Element 6552108 or 6548266 ×1
  • Plate 2 x 4 White Part 3020 Element 6552098 or 302001 ×2
  • Plate 1 x 1 Yellow Part 3024 Element 302424 1 spare in the box ×10
  • Plate 1 x 2 Yellow Part 3023 Element 302324 ×7
  • Plate 1 x 3 Yellow Part 3623 Element 362324 ×2
  • Plate 1 x 4 Yellow Part 3710 Element 371024 ×5
  • Plate 2 x 2 Yellow Part 3022 Element 4613978 or 302224 ×5
  • Plate 2 x 4 Yellow Part 3020 Element 302024 ×7
  • Plate 4 x 4 Yellow Part 3031 Element 4243817 or 303124 ×3

Plates Special 36 pieces

  • Bracket 1 x 2 - 2 x 2 Inverted Black Part 99207 Element 6000650 ×4
  • Plate Special 1 x 1 x 2/3 Half Round with Side Stud Black Part 3386 Element 6424674 ×4
  • Plate Special 1 x 4 with 2 Studs with Groove [New Underside] Black Part 41740 Element 6254045 ×1
  • Plate Special 2 x 2 with Only 2 studs Black Part 33909 Element 6192346 ×1
  • Plate Special 2 x 2 with Wheel Holder with Widened Center Pin Black Part 67688 Element 6482959 or 6371450 ×4
  • Plate Special 1 x 4 with 2 Studs with Groove [New Underside] Light Bluish Gray Part 41740 Element 6257593 ×1
  • Plate Special 2 x 2 with Only 2 studs Light Bluish Gray Part 33909 Element 6212077 ×4
  • Bracket 1 x 2 - 1 x 2 Inverted Yellow Part 99780 Element 6057458 ×2
  • Bracket 1 x 2 - 2 x 2 Inverted Yellow Part 99207 Element 6208753 ×2
  • Bracket 1 x 2 - 2 x 4 Yellow Part 93274 Element 6118828 or 4613344 ×2
  • Plate Special 1 x 2 with Clip Horizontal on Side Yellow Part 11476 Element 6313121 or 6179329 ×2
  • Plate Special 2 x 2 with Only 2 studs Yellow Part 33909 Element 6388491 or 6224666 ×2
  • Plate Special 2 x 2 x 2/3 with Two Studs On Side and Two Raised [Half Hollow Anti-stud] - Updated Version Yellow Part 4304 Element 6469455 ×7

Tiles Round and Curved 25 pieces

  • Tile Round 1 x 1 Black Part 98138 Element 6284070 or 6139403 1 spare in the box ×4
  • Tile Round 1 x 1 Half Circle Black Part 24246 Element 6256435 1 spare in the box ×2
  • Tile Round 1 x 1 with Large and Small White Squares Print (Brickheadz Eye) Trans-Light Blue Part 98138pr0060 Element 6536385 1 spare in the box ×4
  • Tile Round 1 x 1 Trans-Red Part 98138 Element 6514189 or 6258607 1 spare in the box ×2
  • Tile 2 x 2 Curved, Macaroni Yellow Part 27925 Element 6275508 or 6195186 ×8
  • Tile Round 1 x 1 Quarter Yellow Part 25269 Element 6195183 1 spare in the box ×2
  • Tile Round 1 x 2 Half Circle Yellow Part 1748 Element 6527809 1 spare in the box ×2
  • Tile Round 2 x 2 with Bottom Stud Holder Yellow Part 14769 Element 6078279 ×1

Tiles 23 pieces

  • Tile 1 x 1 with Groove Black Part 3070b Element 307026 1 spare in the box ×2
  • Tile 1 x 4 with Groove Black Part 2431 Element 243126 ×7
  • Tile 2 x 2 with Groove Black Part 3068b Element 306826 ×1
  • Tile 2 x 4 with Groove Black Part 87079 Element 4560182 ×1
  • Tile 1 x 4 with Groove Light Bluish Gray Part 2431 Element 4211356 or 2431194 ×1
  • Tile 1 x 1 with Groove Yellow Part 3070b Element 307024 1 spare in the box ×2
  • Tile 1 x 4 with Groove Yellow Part 2431 Element 243124 ×5
  • Tile 1 x 4 with Red Autotron Logo Print Yellow Part 2431pr0224 Element 6536381 ×1
  • Tile 2 x 3 with Reddish Brown/Dark Orange Stripes / Radiator Print Yellow Part 26603pr0148 Element 6536384 ×1
  • Tile 2 x 4 with Groove Yellow Part 87079 Element 6388490 or 4560181 ×2

Bricks Sloped 21 pieces

  • Brick Sloped 30° 1 x 2 x 2/3 Medium Azure Part 85984 Element 6097444 ×3
  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Yellow Part 54200 Element 4504381 or 4283095 1 spare in the box ×2
  • Brick Sloped 30° 1 x 2 x 2/3 Yellow Part 85984 Element 4550348 ×8
  • Brick Sloped 45° 2 x 1 with 2/3 Cutout [New Version] Yellow Part 15672 Element 6069170 or 6018491 ×8

Bricks Special 18 pieces

  • Brick Special 1 x 2 x 1 2/3 with 4 Studs on 1 Side Light Bluish Gray Part 22885 Element 6123809 ×12
  • Brick Special 1 x 1 with Stud on 1 Side Yellow Part 87087 Element 4624985 ×4
  • Brick Special 1 x 2 x 1 2/3 with 4 Studs on 1 Side Yellow Part 22885 Element 6313592 ×2

Bricks Curved 16 pieces

  • Brick Curved 1 x 2 x 1 No Studs Yellow Part 37352 Element 6297284 ×1
  • Brick Curved 1 x 2 x 1 No Studs with Red Autotron Print Yellow Part 37352pr0041 Element 6568562 or 6536383 ×1
  • Brick Curved 2 x 1 No Studs [1/2 Bow] Yellow Part 11477 Element 6029947 ×12
  • Brick Curved 2 x 2 x 2/3 Yellow Part 15068 Element 6079007 ×1
  • Brick Curved 2 x 4 x 2/3 No Studs with Medium Blue Windscreen, Silver Wipers Print Yellow Part 88930pr0038 Element 6536382 ×1

Bricks 13 pieces

  • Brick 1 x 2 Dark Bluish Gray Part 3004 Element 4211088 ×1
  • Brick 2 x 2 Green Part 3003 Element 300328 ×3
  • Brick 1 x 3 Medium Azure Part 3622 Element 6223734 ×2
  • Brick 1 x 1 Red Part 3005 Element 300521 ×4
  • Brick 1 x 2 without Bottom Tube Trans-Dark Pink Part 3065 Element 6514270 or 6244913 ×2
  • Brick 2 x 4 White Part 3001 Element 6552094 or 300101 ×1

Plates Round Curved and Dishes 11 pieces

  • Plate Round 1 x 1 with Solid Stud Black Part 6141 Element 614126 1 spare in the box ×2
  • Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) Red Part 4032a Element 403221 ×1
  • Plate Round Corner 2 x 2 with 1 x 1 Cutout Yellow Part 79491 Element 6365891 ×8

Wheels and Tyres 8 pieces

  • Tyre 14 x 9 Smooth Small Wide Slick Black Part 30028 Element 4508215 or 3002826 ×4
  • Wheel 8 x 9 with Hole Notched for Wheels Holder Pin, Re-inforced Back Light Bluish Gray Part 74967 Element 6011375 ×4

Bricks Round and Cones 4 pieces

  • Brick Round 1 x 1 Open Stud Light Bluish Gray Part 3062b Element 4211412 ×2
  • Cone 1 x 1 [Top Groove] Yellow Part 59900 Element 4525464 ×2

Plates Wedged 4 pieces

  • Wedge Plate 2 x 2 Cut Corner Yellow Part 26601 Element 6195184 ×2
  • Wedge Plate 2 x 2 Left Yellow Part 24299 Element 6132609 ×1
  • Wedge Plate 2 x 2 Right Yellow Part 24307 Element 6132201 ×1

Tiles Special 3 pieces

  • Tile Special 1 x 2 Grille with Bottom Groove Black Part 2412b Element 241226 ×1
  • Tile Special 1 x 1 with Clip with Rounded Edges Yellow Part 15712 Element 6348056 or 6116726 ×2

Bars, Ladders and Fences 2 pieces

  • Bar, Angled with 1 x 1 Round Plate / Stud on End Pearl Gold Part 65578 Element 6501270 1 spare in the box ×2

Transportation - Land 1 piece

  • Spoiler 2 x 4 with Handle [Plain] Yellow Part 98834 Element 6539770 or 6103399 ×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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