Free tool

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.

Ekimu Falcon

Checking

601602 Ekimu Falcon

29 pieces in 22 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 8 pieces

  • Technic Axle Connector 2 x 3 with Ball Socket, Open Lower Axle Holes Black Part 93571 Element 4610948 ×2
  • Technic Axle Connector with Axle Hole Black Part 32039 Element 4107081 or 3203926 ×2
  • Technic Axle and Pin Connector Perpendicular 3L with Centre Pin Hole Black Part 32184 Element 6276951 or 4121667 ×1
  • Technic Pin Connector Round 1L [Beam] Dark Bluish Gray Part 18654 Element 6100030 ×1
  • Technic Axle and Pin Connector Perpendicular Split Light Bluish Gray Part 92907 Element 6279023 or 4630114 ×2

Plates Special 3 pieces

  • Plate Special 1 x 1 with Clip Horizontal [Thick Open O Clip] Light Bluish Gray Part 61252 Element 6335378 or 4541978 ×1
  • Plate Special 1 x 2 5.9mm Towball Socket Light Bluish Gray Part 14418 Element 6414556 or 6338163 ×1
  • Plate Special 1 x 1 with Vertical Tooth Pearl Gold Part 15070 Element 6083975 ×1

Technic Axles 3 pieces

  • Technic Axle 4 Black Part 3705 Element 370526 ×2
  • Technic Axle 3 with Stop Reddish Brown Part 24316 Element 6135494 ×1

Technic Pins 3 pieces

  • Technic Axle Pin 3L with Friction Ridges Lengthwise and 2L Axle Black Part 18651 Element 6089119 ×1
  • Technic Pin with Friction Ridges Lengthwise and Center Slots Black Part 2780 Element 4121715 or 278026 ×1
  • Technic Axle Towball Light Bluish Gray Part 2736 Element 6443149 or 4211375 ×1

Animal / Creature Body Parts 2 pieces

  • Creature Body Part, Wing 9L with Stylized Feathers Pearl Gold Part 11091 Element 6024604 ×2

Bars, Ladders and Fences 2 pieces

  • Bar 1L with Clip [Cut Edges and One Side Hole] [Gap in Clip] Black Part 48729b Element 6278152 or 6037347 ×2

Technic Beams Special 2 pieces

  • Technic Beam 1 x 2 with Ball Joint Angled Dark Bluish Gray Part 50923 Element 4503381 or 4289258 ×2

Bricks Curved 1 piece

  • Brick Curved 2 x 1 No Studs [1/2 Bow] Light Bluish Gray Part 11477 Element 6028813 ×1

Containers 1 piece

  • Bucket 1 x 1 x 1 Handle Pearl Gold Part 95344 Element 6245278 or 4654247 ×1

Large Buildable Figures 1 piece

  • Large Figure Limb Cover / Claw / Spike Large with Axle Pearl Gold Part 15362 Element 6542432 or 6300599 ×1

Plates Round Curved and Dishes 1 piece

  • Plate Round 1 x 1 with Solid Stud Trans-Light Blue Part 6141 Element 6514058 or 6240225 ×1

Pneumatics 1 piece

  • Pneumatic Hose Connector with Axle Connector Dark Bluish Gray Part 99021 Element 6265669 or 6020189 ×1

Technic Beams 1 piece

  • Technic Beam 1 x 2 Thin Dark Bluish Gray Part 41677 Element 6338422 or 4210980 ×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.