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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.

Ant

Checking

3582 Ant

258 pieces in 41 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

Black 54 pieces

  • Battery Box, 9V 4 x 14 x 4 with Yellow Base [Complete Assembly] Black Part 2847c02 Element 4109814 or 75140 ×1
  • Technic Pin Long with Friction Ridges Lengthwise, 2 Center Slots Black Part 6558 Element 655826 ×2
  • Tyre for Wheel 41mm Znap Black Part 539 ×3
  • Wheel 32mm Znap Propeller Black Part 32219 Element 4120493 ×2
  • Wheel 41mm Znap Thin Tread Black Part 32247 Element 4142088 or 4140010 ×3
  • Wire with Brick 2 x 2 x 2/3 Pair [Undetermined Length] Black Part 5306b ×1
  • Znap Beam 16, 9 Holes, 5 Bends Black Part 32208 Element 4120423 ×6
  • Znap Beam 3, 1 Hole Black Part 32210 Element 4128660 or 4120411 ×16
  • Znap Beam 4, 2 Holes, 2 Bends Black Part 32242 Element 4125356 ×8
  • Znap Beam 7, 3 Holes Black Part 32203 Element 4128652 or 4120186 ×2
  • Znap Beam 8, 4 Holes, 3 Bends, Curved Black Part 32246 Element 4125359 ×10

Light Gray 51 pieces

  • Motor, 9V Mini [Old Style] Light Gray Part 71427c01 Element 4107786 ×1
  • Technic Axle Pin without Friction Ridges Lengthwise Light Gray Part 3749 Element 4184168 or 4154179 ×2
  • Technic Bush Light Gray Part 3713 Element 4125313 or 659002 ×5
  • Technic Gear 16 Tooth with Round Holes [Old Style] Light Gray Part 4019 Element 4107176 or 401902 ×2
  • Technic Gear 8 Tooth Light Gray Part 3647 Element 364702 ×1
  • Technic Pin without Friction Ridges Lengthwise Light Gray Part 3673 Element 4184166 or 367302 ×6
  • Znap Connector 1 x 3 - 2 way A Light Gray Part 32212 Element 4120191 ×28
  • Znap Connector 3 x 3 - 3 way with Pin Light Gray Part 33298 Element 4140011 ×6

Purple 45 pieces

  • Znap Connector 3 x 3 - 4 way B (Beam) Purple Part 32211 Element 4120200 ×45

Red 44 pieces

  • Znap Beam 15, 7 Holes Red Part 32229 Element 4140014 ×2
  • Znap Beam 16, 14 Holes, Curved Red Part 32216 Element 4125303 or 4120451 ×2
  • Znap Beam 16, 9 Holes, 5 Bends Red Part 32208 Element 4120422 ×1
  • Znap Beam 3, 1 Hole Red Part 32210 Element 4128662 or 4120417 ×20
  • Znap Beam 4, 2 Holes, 2 Bends Red Part 32242 Element 4125486 ×4
  • Znap Beam 7, 3 Holes Red Part 32203 Element 4128654 or 4120420 ×6
  • Znap Beam 8, 4 Holes, 3 Bends, Curved Red Part 32246 Element 4125487 ×9

Yellow 38 pieces

  • Znap Beam 3, 1 Hole Yellow Part 32210 Element 4128659 or 4120190 ×2
  • Znap Beam 4, 2 Holes, 2 Bends Yellow Part 32242 Element 4125355 ×6
  • Znap Beam 7, 3 Holes Yellow Part 32203 Element 4128655 or 4120427 ×5
  • Znap Beam 8, 4 Holes, 3 Bends, Curved Yellow Part 32246 Element 4125358 ×12
  • Znap Connector 3 x 3 - 4 way C (Closed) Yellow Part 76319 Element 4125496 ×11
  • Znap Grid 9 x 7, 15 Holes Yellow Part 32213 Element 4140013 ×1
  • Znap Grid Motor Holder Yellow Part 32225 Element 4120419 ×1

Dark Gray 16 pieces

  • Technic Axle 8 Dark Gray Part 3707 Element 4125477 ×5
  • Znap Connector 3 x 3 - 4 way A (Axial) Dark Gray Part 32221 Element 4120479 ×7
  • Znap Crank Connector 1 x 2 x 3 Dark Gray Part 32207 Element 4120472 ×4

White 7 pieces

  • Technic Axle 12 White Part 3708 Element 4655283 or 4222794 ×3
  • Technic Axle 5.5 with Stop [Flat Short End] White Part 32209 Element 4120471 ×4

Blue 3 pieces

  • Technic Axle Connector Ridged [with x Hole x Orientation] Blue Part 6538b Element 4113807 or 4107802 ×1
  • Technic Beam 3 x 0.5 Liftarm with Boss and Pin / Crank Blue Part 33299a Element 4140012 ×2

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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