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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.

Wrecking Ball Crane

Checking

412401 Wrecking Ball Crane

86 pieces in 25 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 Special 38 pieces

  • Technic Link, Reinforced, with Beveled Edge Black Part 14696 Element 6044702 2 spares in the box ×38

Technic Beams 12 pieces

  • Technic Beam 1 x 5 Thin with Axle Holes on Ends Black Part 11478 Element 6327028 or 6030286 ×4
  • Technic Beam 2 x 3 L-Shape with Quarter Ellipse Thick Black Part 71708 Element 6326047 ×1
  • Technic Beam 1 x 5 Thick Yellow Part 32316 Element 4142133 or 4128590 ×1
  • Technic Beam 1 x 9 Thick Yellow Part 40490 Element 6115616 or 4187136 ×1
  • Technic Beam 2 x 3 L-Shape with Quarter Ellipse Thick Yellow Part 71708 Element 6332412 ×2
  • Technic Beam 2 x 4 L-Shape Thick Yellow Part 32140 Element 6271828 or 4141628 ×3

Technic Pins 10 pieces

  • Technic Axle Pin 3L with Friction Ridges Lengthwise and 2L Axle Black Part 18651 Element 6089119 ×1
  • Technic Pin with Friction Ridges Lengthwise with No Center Slots Black Part 61332 Element 6279875 ×2
  • Technic Pin Long with Friction Ridges Lengthwise, 1 Center Slot Blue Part 42924 Element 6299413 ×1
  • Technic Pin 1/2 without Friction Ridges Light Bluish Gray Part 4274 Element 4274194 or 4211483 ×2
  • Technic Axle Pin 3L without Friction Ridges and 2L Axle White Part 65249 Element 6289797 ×4

Technic Gears 7 pieces

  • Technic Gear 12 Tooth Double Bevel Black Part 32270 Element 4177431 ×3
  • Technic Gear 16 Tooth with Clutch on Both Sides Red Part 18946 Element 6100930 ×4

Bricks Special 6 pieces

  • Brick Special 1 x 2 with Masonry Brick Profile Tan Part 98283 Element 6148262 ×6

Technic Connectors 5 pieces

  • Technic Pin Connector Hub with 2 Axles Black Part 27940 Element 6396457 ×1
  • Technic Axle and Pin Connector Angled #2 - 180° Dark Bluish Gray Part 32034 Element 32034199 or 6271876 ×1
  • Technic Axle and Pin Connector Perpendicular 3L with Centre Pin Hole Dark Bluish Gray Part 32184 Element 32184199 or 6276984 ×2
  • Technic Axle and Pin Connector Perpendicular 3L with 2 Pin Holes Yellow Part 42003 Element 6273711 or 4200324 ×1

Technic Axles 4 pieces

  • Technic Axle 4 Red Part 3705 Element 6129995 or 4265797 ×1
  • Technic Axle 5 Yellow Part 32073 Element 6130008 ×3

Plates Special 1 piece

  • Plate Special Round 1 x 1 with Hollow Stud and Horizontal Bar 1L Light Bluish Gray Part 32828 Element 6227897 ×1

String, Bands and Reels 1 piece

  • Chain 6L [5 Links] Dark Bluish Gray Part 92338 Element 6311445 or 4600437 ×1

Technic Bushes 1 piece

  • Technic Bush Black Part 3713 Element 6332148 or 6210506 ×1

Wheels and Tyres 1 piece

  • Wheel 18 x 14 with Pin Hole Black Part 55889 Element 6273330 ×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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