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LEGO Missing Piece Checker

Enter a set number, mark each piece found or missing, and leave with a list of what is missing, the element IDs LEGO asks for and links to buy the parts. It is free and needs no account. Rule out the usual hiding places first.

Hot Dog Cart

Checking

40078 Hot Dog Cart

31 pieces in 24 part and color combinations, plus 2 minifigures.

The official piece count includes the 8 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 Special 5 pieces

  • Bracket 1 x 2 - 1 x 2 Inverted Black Part 99780 Element 6020193 ×1
  • Plate Special 1 x 2 with 1 Stud without Groove (Jumper) Black Part 3794a ×2
  • Plate Special 1 x 2 with Handles [Flat Ends / Low Attachment] White Part 3839b Element 6619286 or 383901 ×1
  • Plate Special 2 x 2 with Groove and Center Stud (Jumper) White Part 87580 Element 6550157 or 6126046 ×1

Hinges, Arms and Turntables 4 pieces

  • Hinge Brick 1 x 2 Base Black Part 3937 Element 393726 ×1
  • Hinge Brick 2 x 2 Top Plate Thin Black Part 6134 Element 4124096 or 613426 ×1
  • Hinge Brick 1 x 2 Base White Part 3937 Element 6619287 or 393701 ×1
  • Hinge Brick 1 x 2 Top Plate Thin White Part 3938 Element 393801 ×1

Plates 4 pieces

  • Plate 1 x 2 Black Part 3023 Element 302326 ×2
  • Plate 2 x 3 Light Bluish Gray Part 3021 Element 4211396 ×1
  • Plate 2 x 6 Red Part 3795 Element 379521 ×1

Wheels and Tyres 3 pieces

  • Wheel Skateboard / Trolley Black Part 2496 Element 6223673 or 4569104 ×1
  • Wheel Bicycle, Fixed Black Tire Trans-Clear Part 92851 Element 6503209 or 6163986 ×2

Bricks 2 pieces

  • Brick 1 x 4 White Part 3010 Element 6550135 or 301001 ×2

Bricks Round and Cones 2 pieces

  • Cone 1 x 1 [Top Groove] Red Part 59900 Element 4529234 ×1
  • Cone 1 x 1 [Top Groove] Yellow Part 59900 Element 4525464 ×1

Minifig Accessories 2 pieces

  • Food Hot Dog / Sausage Red Part 33078 Element 6144805 or 4520952 ×2

Panels 2 pieces

  • Panel 1 x 1 x 1 Corner White Part 6231 Element 6619293 or 623101 ×2

Tiles Special 2 pieces

  • Tile Special 1 x 1 with Clip with Rounded Tips Black Part 12825 Element 6030718 ×2

Transportation - Land 2 pieces

  • Wheel Holder, Plate, Round 2 x 2 Thin with Clips Light Bluish Gray Part 2655 Element 6152344 or 4211373 ×1
  • Bicycle Frame, Reinforced Headlight [Hollow Stud] Medium Azure Part 65574 Element 6350702 ×1

Bars, Ladders and Fences 1 piece

  • Antenna 1 x 4 with Flat Top Light Bluish Gray Part 3957b Element 4211473 ×1

Bricks Sloped 1 piece

  • Brick Sloped 30° 1 x 2 x 2/3 Black Part 85984 Element 4548180 ×1

Plates Round Curved and Dishes 1 piece

  • Dish 4 x 4 Inverted [Radar] Bright Light Orange Part 3960 Element 6003002 ×1

Minifigures 2 figures

  • Chef, Red Neckerchief, Red Legs, Dark Orange Hair Minifigure, checked as a whole figure ×1
  • Woman, Medium Blue Polo Shirt with Necklace, Light Bluish Gray Legs, Dark Brown 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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