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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.

Formula Z Car in Storage Case

Checking

3581 Formula Z Car in Storage Case

172 pieces in 22 part and color combinations.

LEGO counts 171 pieces. This inventory comes from a separate parts catalog and lists 172; the two do not always count the same elements, so their totals differ. 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

Black 49 pieces

  • Storage Case, Znap Black Part upn0055 ×1
  • Wheel 68mm Znap Propeller (9 x 2) Black Part 32220 Element 4120446 ×8
  • Znap Beam 15, 7 Holes Black Part 32229 Element 4120199 ×7
  • Znap Beam 16, 9 Holes, 5 Bends Black Part 32208 Element 4120423 ×2
  • Znap Beam 3, 1 Hole Black Part 32210 Element 4128660 or 4120411 ×10
  • Znap Beam 7, 3 Holes Black Part 32203 Element 4128652 or 4120186 ×15
  • Znap Beam 9, 8 Holes, Triangular Black Part 32214 Element 4125309 or 4125160 ×4
  • Znap Grid 9 x 7, 15 Holes Black Part 32213 Element 4125298 or 4125163 ×2

Red 36 pieces

  • Znap Beam 1/2 Circle Radius 2L Red Part 32205 Element 4128657 or 4120415 ×2
  • Znap Beam 11, 4 Holes, 2 Bends Red Part 32204 Element 4120421 ×4
  • Znap Beam 16, 14 Holes, Curved Red Part 32216 Element 4125303 or 4120451 ×7
  • Znap Beam 3, 1 Hole Red Part 32210 Element 4128662 or 4120417 ×5
  • Znap Beam 7, 3 Holes Red Part 32203 Element 4128654 or 4120420 ×5
  • Znap Beam 9, 5 Holes, 4 Bends (Half-Octagon) Red Part 32206 Element 4120416 ×4
  • Znap Beam 9, 8 Holes, Triangular Red Part 32214 Element 4125311 or 4120424 ×8
  • Znap Beam Double Curve 4 Holes Red Part 32218 Element 4125304 or 4120418 ×1

Purple 30 pieces

  • Znap Connector 3 x 3 - 4 way B (Beam) Purple Part 32211 Element 4120200 ×30

Light Gray 22 pieces

  • Znap Connector 1 x 3 - 2 way A Light Gray Part 32212 Element 4120191 ×22

Dark Gray 14 pieces

  • Znap Connector 3 x 3 - 4 way A (Axial) Dark Gray Part 32221 Element 4120479 ×2
  • Znap Crank Connector 1 x 2 x 3 Dark Gray Part 32207 Element 4120472 ×12

Yellow 13 pieces

  • Znap Connector 3 x 3 - 4 way C (Closed) Yellow Part 76319 Element 4125496 ×13

White 8 pieces

  • Technic Axle 5.5 with Stop [Flat Short End] White Part 32209 Element 4120471 ×8

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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