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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.

Technic Connectors

Checking

5003200 Technic Connectors

268 pieces in 20 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.

Show

Piece checklist

Black 94 pieces

  • Plate Round 2 x 2 with Rounded Bottom [Boat Stud] Black Part 2654 Element 4617551 or 4278359 ×4
  • Technic Axle Connector Smooth [with x Hole + Orientation] Black Part 59443 Element 6084612 or 4512363 ×32
  • Technic Axle and Pin Connector Angled #1 Black Part 32013 Element 6284699 or 4107085 ×8
  • Technic Axle and Pin Connector Angled #2 - 180° Black Part 32034 Element 6271869 or 4107783 ×2
  • Technic Pin Long with Friction Ridges Lengthwise and Stop Bush [3 Lateral Holes, Big Pin Hole] Black Part 32054 Element 4140801 or 4107742 ×8
  • Technic Pin with Friction Ridges Lengthwise and Center Slots Black Part 2780 Element 4121715 or 278026 ×40

Light Bluish Gray 68 pieces

  • Technic Bush Light Bluish Gray Part 3713 Element 6275844 or 6271817 ×24
  • Technic Gear Rack 1 x 4 Light Bluish Gray Part 3743 Element 6457283 or 4211450 ×4
  • Technic Pin 1/2 without Friction Ridges Light Bluish Gray Part 4274 Element 4274194 or 4211483 ×16
  • Technic Pin without Friction Ridges Lengthwise Light Bluish Gray Part 3673 Element 4211807 or 3673194 ×22
  • Technic Universal Joint 3L [Complete Assembly] Light Bluish Gray Part 61903 Element 6335279 or 6321309 ×2

Blue 44 pieces

  • Technic Axle Pin with Friction Ridges Lengthwise Blue Part 43093 Element 4309323 or 4206482 ×38
  • Technic Pin Long with Friction Ridges Lengthwise, 2 Center Slots Blue Part 6558 Element 4514553 ×6

Tan 34 pieces

  • Technic Axle Connector Ridged [with x Hole x Orientation] Tan Part 6538b Element 4207456 or 4140453 ×2
  • Technic Axle Pin without Friction Ridges Lengthwise Tan Part 3749 Element 4666579 or 4186017 ×16
  • Technic Pin 3/4 Tan Part 32002 Element 6663097 or 6013938 ×16

Dark Bluish Gray 18 pieces

  • Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) Dark Bluish Gray Part 4032a Element 4211042 ×4
  • Technic Axle 4 with Stop Dark Bluish Gray Part 87083 Element 6083620 or 4560177 ×8
  • Technic Gear 8 Tooth [Reinforced] Dark Bluish Gray Part 10928 Element 6631413 or 6012451 ×6

Red 10 pieces

  • Technic Axle 2 Notched Red Part 32062 Element 4142865 ×10

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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