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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 II Set {4.5v}

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1032 TECHNIC II Set {4.5v}

280 pieces in 49 part and color combinations.

LEGO counts 278 pieces. This inventory comes from a separate parts catalog and lists 280; 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

Technic Special 90 pieces

  • Technic Link Black Part 3711a Element 371126 5 spares in the box ×90

Technic Bricks 28 pieces

  • Technic Brick 1 x 12 [11 Pin Holes] Red Part 3895 Element 389521 ×2
  • Technic Brick 1 x 16 [15 Pin Holes] Red Part 3703 Element 370321 ×2
  • Technic Brick 1 x 2 [1 Pin Hole] Red Part 3700 Element 370021 ×12
  • Technic Brick 1 x 4 [3 Pin Holes] Red Part 3701 Element 370121 ×8
  • Technic Brick 1 x 6 [5 Pin Holes] Red Part 3894 Element 389421 ×2
  • Technic Brick 1 x 8 [7 Pin Holes] Red Part 3702 Element 370221 ×2

Technic Bushes 26 pieces

  • Technic Bush Light Gray Part 3713 Element 4125313 or 659002 1 spare in the box ×16
  • Technic Bush 1/2 Toothed Type I [+ Opening] Light Gray Part 4265a Element 426502 1 spare in the box ×10

Technic Gears 25 pieces

  • Technic Gear 14 Tooth Bevel Light Gray Part 4143 Element 414352 or 414302 ×6
  • Technic Gear 16 Tooth with Round Holes [Old Style] Light Gray Part 4019 Element 4107176 or 401902 ×2
  • Technic Gear 24 Tooth Crown with Pointed Teeth Light Gray Part 3650b ×2
  • Technic Gear 24 Tooth [Old Style - Three axle holes] Light Gray Part 3648a ×4
  • Technic Gear 40 Tooth Light Gray Part 3649 Element 364902 ×2
  • Technic Gear 8 Tooth Light Gray Part 3647 Element 364702 ×4
  • Technic Gear Differential [Old Style, 28 Teeth] Light Gray Part 73071 ×1
  • Technic Gear Rack 1 x 4 Light Gray Part 3743 Element 374302 ×2
  • Technic Worm Gear Light Gray Part 4716 Element 471602 ×2

Plates 20 pieces

  • Plate 1 x 3 Black Part 3623 Element 362326 ×4
  • Plate 1 x 4 Black Part 3710 Element 371026 ×4
  • Plate 1 x 6 Black Part 3666 Element 366626 ×4
  • Plate 1 x 8 Black Part 3460 Element 346026 ×4
  • Plate 2 x 3 Black Part 3021 Element 302126 ×4

Technic Axles 16 pieces

  • Technic Axle 10 Black Part 3737 Element 373726 ×2
  • Technic Axle 12 Black Part 3708 Element 370826 ×2
  • Technic Axle 4 Black Part 3705 Element 370526 ×6
  • Technic Axle 6 Black Part 3706 Element 370626 ×4
  • Technic Axle 8 Black Part 3707 Element 370726 ×2

Technic Pins 16 pieces

  • Technic Pin without Friction Ridges Lengthwise Light Gray Part 3673 Element 4184166 or 367302 1 spare in the box ×16

String, Bands and Reels 14 pieces

  • Rubber Band 15mm [Square Cross Section] Black Part 23229 Element 4141604 3 spares in the box ×3
  • Rubber Band Large [Square Cross Section] Black Part 70158 ×5
  • Rubber Band Medium (Square Cross Section) Black Part 71156 Element 71156 1 spare in the box ×5
  • String Cord Thin (0.5mm) [Undetermined Length] Black Part 56823 Element 7009426 ×1

Plates Special 10 pieces

  • Technic Plate 2 x 4 [3 Holes] Black Part 3709 Element 370926 ×6
  • Technic Plate 2 x 8 [7 Holes] Black Part 3738 Element 373826 ×4

Wheels and Tyres 10 pieces

  • Technic Wedge Belt Wheel Tire Black Part 2815 Element 6028041 or 281526 ×4
  • Technic Wedge Belt Wheel [aka Pulley] Light Gray Part 4185 Element 4100502 or 418502 ×6

Technic Connectors 8 pieces

  • Technic Axle and Pin Connector Light Gray Part 3651 Element 4105243 or 365102 1 spare in the box ×8

Bricks 5 pieces

  • Brick 8 x 16 Green Part 4204 Element 4181116 or 420428 ×1
  • Brick 2 x 4 Red Part 3001 Element 300121 ×4

Plates Round Curved and Dishes 4 pieces

  • Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) Red Part 4032a Element 403221 ×4

Electronics 3 pieces

  • Battery Box, 4.5V, 4 x 24, 3 x C-Cell with Switch [Complete Assembly] Light Gray Part 4350c02 ×1
  • Motor, 4.5V Type 2 for 2-Prong Connectors with Middle Pin Light Gray Part 6216b ×1
  • Wire with 2-Prong Connectors, 12V / 4.5V 96L Light Gray Part 766c96 Element 73493 ×1

Gear Parts 3 pieces

  • Storage / Sorting Tray, Container, Technic Sorting Tray Frame Black Part upn0193 ×1
  • Storage / Sorting Tray, for 1032-1 Blue Part upn0340 ×1
  • Storage Bin Lid, Technic Trans-Clear Part upn0191 ×1

Technic Steering, Suspension and Engine 2 pieces

  • Technic Steering Pulley Large Light Gray Part 3736 Element 373602 ×1
  • Technic Universal Joint 4L [Complete Assembly] Light Gray Part 9244 Element 9244 ×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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