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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.

The Knockdown Stunt Challenge

Checking

60341 The Knockdown Stunt Challenge

109 pieces in 47 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

Bricks Round and Cones 15 pieces

  • Brick Round 2 x 2 Dome Top, Hollow Stud Black Part 30367c Element 4216660 ×2
  • Brick Round 4 x 4 Centre Hole Bright Light Yellow Part 87081 Element 6366133 ×2
  • Brick Round 2 x 2 with Axle Hole Lavender Part 3941 Element 6223600 ×1
  • Brick Round 4 x 4 Centre Hole Lavender Part 87081 Element 6172421 ×1
  • Brick Round 2 x 2 Dome Top, Hollow Stud White Part 30367c Element 4216652 or 4124120 ×3
  • Brick Round 2 x 2 x 2 Robot Body, Axle Holder '+' Orientation White Part 30361c Element 4194010 or 4164092 ×6

Technic Axles 14 pieces

  • Technic Axle 8 Black Part 3707 Element 370726 ×3
  • Technic Axle 3 Light Bluish Gray Part 4519 Element 4211815 ×2
  • Technic Axle 2 Notched Red Part 32062 Element 4142865 ×2
  • Technic Axle 4 Red Part 3705 Element 6129995 or 4265797 ×5
  • Technic Axle 7 Yellow Part 44294 Element 6130009 ×2

Plates Special 13 pieces

  • Technic Plate 2 x 4 [3 Holes] Black Part 3709 Element 370926 ×4
  • Plate Special 5-Point Star 4 x 4 2/3 with One Stud Glow in Dark White Part 39611 Element 6350736 ×7
  • Plate Special Round 2 x 2 with Melting Drops/Icing on Sides Light Aqua Part 65700 Element 6289379 ×1
  • Plate Special Round 4 x 4 with Melting Drops/Icing on Sides Light Aqua Part 65702 Element 6289380 ×1

Tiles Round and Curved 10 pieces

  • Tile Round 1 x 1 Glow in Dark White Part 98138 Element 6284592 or 6238047 1 spare in the box ×7
  • Tile Round 2 x 2 with Bottom Stud Holder Lime Part 14769 Element 6092766 ×3

Bricks Sloped 8 pieces

  • Brick Sloped 10° 6 x 8 Black Part 4515 Element 6440324 or 4161067 ×4
  • Brick Sloped 8 x 5 x 2/3 with 2 x 6 Studs Orange Part 75539 Element 6338339 ×4

Plates Round Curved and Dishes 8 pieces

  • Plate Round 4 x 4 with 2 x 2 Round Opening Black Part 11833 Element 6167800 or 6045912 ×3
  • Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) Dark Azure Part 4032a Element 6226919 ×3
  • Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) Orange Part 4032a Element 6030521 or 4164243 ×2

Bricks Special 6 pieces

  • Bracket 5 x 2 x 1 1/3 with Holes, Pin Bottom Black Part 11215 Element 6039194 ×2
  • Brick Special 2 x 4 x 1 1/3 with Axle Holes and 2 x 2 Recessed and Hole Dark Bluish Gray Part 67446 Element 6335115 or 6310208 ×2
  • Brick Special 2 x 4 with 3 Axle Holes Lime Part 39789 Element 6390840 ×2

Plates 6 pieces

  • Plate 2 x 4 Blue Part 3020 Element 4240375 or 302023 ×1
  • Plate 4 x 10 Light Bluish Gray Part 3030 Element 4211402 ×2
  • Plate 1 x 2 Orange Part 3023 Element 4177932 or 4163009 ×2
  • Plate 2 x 12 Orange Part 2445 Element 6313826 or 6056707 ×1

Bars, Ladders and Fences 5 pieces

  • Bar 1L with Clip [Cut Edges and One Side Hole] [Gap in Clip] Light Bluish Gray Part 48729b Element 6278156 or 4542590 1 spare in the box ×5

Supports, Girders and Cranes 4 pieces

  • Support 2 x 2 x 10 Girder Triangular Vertical - Type 4 - 3 Posts, 3 Sections Black Part 95347 Element 6470981 or 4667463 ×4

Technic Connectors 4 pieces

  • Technic Axle Connector Smooth [with x Hole + Orientation] Black Part 59443 Element 6084612 or 4512363 ×2
  • Technic Driving Ring Connector White Part 18948 Element 6276052 or 6100932 ×2

Minifig Headwear Accessories 3 pieces

  • Headwear Accessory Braid Dark Azure Part 80681 Element 6382530 ×2
  • Headwear Accessory Visor For Standard Helmet Lime Part 2447 Element 6357611 or 6254068 1 spare in the box ×1

Transportation - Land 3 pieces

  • Fairing, Motorcycle, Racing (Sport) Bike with 1 x 2 Studs and Medium Azure Star on Dark Purple Background Print Black Part 75533pr0005 Element 6391707 ×1
  • Handlebars Light Bluish Gray Part 30031 Element 4258308 ×1
  • Vehicle Track, Roller Coaster Straight 16L Pearl Titanium Part 25059 Element 6287323 ×1

Minifig Accessories 2 pieces

  • Musical Instrument Microphone with Metallic Gold Top Half Screen Print Black Part 90370pr0005 Element 6104328 1 spare in the box ×1
  • Equipment Trophy Cup Small Pearl Gold Part 10172 Element 6181575 or 6100303 ×1

Tiles Special 2 pieces

  • Tile Special 1 x 2 with Handle Orange Part 2432 Element 6253318 or 6060855 ×2

Wheels and Tyres 2 pieces

  • Tyre 21 x 6 City Motorcycle Black Part 50861 Element 6064174 or 4244953 ×1
  • Wheel Centre 15 x 6 City Motorcycle with Stub Axles Light Bluish Gray Part 50862 Element 6410997 or 4590443 ×1

Animals / Creatures 1 piece

  • Animal, Scorpion Dark Blue Part 30169 Element 6251333 or 6200668 ×1

Mechanical 1 piece

  • Vehicle Base, Motorcycle Chassis with Light Bluish Gray Flywheel Dark Bluish Gray Part 69869c01 Element 6391389 or 6356495 ×1

Minifig Headwear 1 piece

  • Helmet, Standard, 2 Horn Holes White Part 82252 Element 6382548 ×1

Minifig Shields, Weapons, & Tools 1 piece

  • Tool Screwdriver and Spanner / Wrench Black Part 4006 Element 6034000 or 4569095 ×1

Minifigures 2 figures

  • Harl Hubbs, Stunt Racer Outfit Minifigure, checked as a whole figure ×1
  • Poppy Starr, Stunt Racer Outfit 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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