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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.

Batcycle

Checking

212325 Batcycle

37 pieces in 21 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

Technic Connectors 10 pieces

  • Technic Axle 1.5 with Perpendicular Axle Connector (Technic Pole Reverser Handle) Black Part 6553 Element 4107765 or 655326 ×2
  • Technic Axle and Pin Connector Perpendicular Double Split [Reinforced] Black Part 69819 Element 6349281 ×2
  • Technic Driving Ring Connector Smooth [2 rounded and 2 flat side walls] Black Part 42195 Element 6286381 ×2
  • Technic Axle Connector Smooth [with x Hole + Orientation] Dark Bluish Gray Part 59443 Element 6084613 or 4516546 ×2
  • Technic Pin Connector Hub with 2 Axles Dark Bluish Gray Part 27940 Element 6167281 ×2

Technic Pins 8 pieces

  • Technic Pin 1/2 with Friction Red Part 89678 Element 6378120 ×4
  • Technic Axle Pin without Friction Ridges Lengthwise Tan Part 3749 Element 4666579 or 4186017 ×2
  • Technic Pin without Friction Ridges Lengthwise Yellow Part 3673 Element 6331822 ×2

Wheels and Tyres 4 pieces

  • Tyre 24 x 14 Shallow Tread (Tread Small Hub), Band Around Center of Tread Black Part 89201 Element 6132299 or 4639695 ×2
  • Wheel 18 x 14 with Pin Hole, Fake Bolts and Shallow Spokes Light Bluish Gray Part 55981 Element 6109684 or 4299119 ×2

Minifig Upper Body 3 pieces

  • Arm Mechanical with Clip [Thick Support] Black Part 98313 Element 6276867 or 6006739 ×2
  • Arm Skeleton [Bent / 2 Clips] Black Part 93609 Element 6326681 or 6146095 ×1

Bricks Round and Cones 2 pieces

  • Cone 1 x 1 [Top Groove] Light Bluish Gray Part 59900 Element 4529241 ×2

Minifig Accessories 2 pieces

  • Equipment Hose Nozzle / Gun with Side String Hole Simplified Light Bluish Gray Part 60849 Element 6641461 or 4515897 ×2

Technic Axles 2 pieces

  • Technic Axle 4 Black Part 3705 Element 370526 ×2

Bricks Curved 1 piece

  • Brick Curved 2 x 2 x 2/3 Two Studs and Curved Slope End Black Part 47457 Element 6394979 or 4218575 ×1

Bricks Sloped 1 piece

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

Bricks Special 1 piece

  • Bracket 3 x 2 x 1 1/3 with Bottom Stud Holder Dark Bluish Gray Part 73562 Element 6395363 ×1

Minifig Shields, Weapons, & Tools 1 piece

  • Weapon Batarang Black Part 98721 Element 4650620 ×1

Plates Round Curved and Dishes 1 piece

  • Plate Round 2 x 2 with Rounded Bottom [Boat Stud] Dark Bluish Gray Part 2654 Element 4613980 or 4278274 ×1

Plates Special 1 piece

  • Plate Special 1 x 2 Side Handle [Free Ends] Dark Bluish Gray Part 2540 Element 4210660 ×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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