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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.

Wheels and Axles Mini Set

Checking

9616 Wheels and Axles Mini Set

79 pieces in 34 part and color combinations, plus 1 minifigure.

LEGO counts 75 pieces. This inventory comes from a separate parts catalog and lists 83, including the 4 parts inside the minifigures; 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

Light Gray 24 pieces

  • Technic Axle 1.5 with Perpendicular Axle Connector (Technic Pole Reverser Handle) Light Gray Part 6553 Element 655302 ×1
  • Technic Axle Pin without Friction Ridges Lengthwise Light Gray Part 3749 Element 4184168 or 4154179 ×8
  • Technic Bush Light Gray Part 3713 Element 4125313 or 659002 ×6
  • Technic Bush 1/2 Toothed Type I [+ Opening] Light Gray Part 4265a Element 426502 ×6
  • Technic Engine Crankshaft Center Light Gray Part 2854 Element 285402 ×1
  • Technic Plate 1 x 5 with Toothed Ends, 2 Studs and Center Axle Hole Light Gray Part 2711 Element 4195723 or 271152 ×1
  • Technic Steering Pulley Large Light Gray Part 3736 Element 373602 ×1

Yellow 22 pieces

  • Plate 1 x 10 Yellow Part 4477 Element 6079138 or 6078095 ×2
  • Plate 1 x 2 Yellow Part 3023 Element 302324 ×2
  • Plate 1 x 4 Yellow Part 3710 Element 371024 ×2
  • Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) Yellow Part 4032a Element 403224 ×1
  • Storage Bin, Dacta, Extra Small Yellow Part upn0042 ×1
  • Technic Plate 1 x 4 with Toothed Ends Yellow Part 4263 Element 4522090 or 426374 ×2
  • Technic Plate 2 x 4 [3 Holes] Yellow Part 3709 Element 370924 ×2
  • Technic Plate 2 x 8 [7 Holes] Yellow Part 3738 Element 4624216 or 373824 ×4
  • Wheel with Split Axle hole Yellow Part 3482 Element 348224 ×6

Red 14 pieces

  • Brick Sloped 45° 2 x 1 with Bottom Pin Red Part 3040b Element 4121934 or 304021 ×2
  • Technic Brick 1 x 12 [11 Pin Holes] Red Part 3895 Element 389521 ×2
  • Technic Brick 1 x 2 [1 Pin Hole] Red Part 3700 Element 370021 ×8
  • Technic Brick 1 x 4 [3 Pin Holes] Red Part 3701 Element 370121 ×2

Black 12 pieces

  • String Cord Medium Thickness 50cm Black Part 7916c50 ×1
  • Technic Axle 10 Black Part 3737 Element 373726 ×1
  • Technic Axle 12 Black Part 3708 Element 370826 ×1
  • Technic Axle 4 Black Part 3705 Element 370526 ×2
  • Technic Axle 6 Black Part 3706 Element 370626 ×1
  • Tyre 43 x 17 Black Part 3634 Element 4523564 or 363426 ×2
  • Tyre Offset Tread 24 x 8 Black Part 3483 Element 4501048 or 348326 ×4

[No Color/Any Color] 4 pieces

  • Activity Booklet 1 - Lawnmower - Set 9616 [No Color/Any Color] Part 9616b01 ×1
  • Activity Booklet 2 - Pulleys - Set 9616 [No Color/Any Color] Part 9616b02 ×1
  • Activity Card, Cover & Inventory Card - Set 9616 [No Color/Any Color] Part 9616bc1 ×1
  • User Guide, Wheels and Axles (9616-1) - Teachers Manual [No Color/Any Color] Part 9626 ×1

Trans-Clear 2 pieces

  • Storage / Sorting Tray, Dacta, 7 Compartment for Dacta Extra Small Bin Trans-Clear Part 167914 ×1
  • Storage Bin Lid, Dacta, Extra Small Trans-Clear Part 71084 ×1

White 1 piece

  • Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) White Part 4032a Element 6601914 or 403201 ×1

Minifigures 1 figure

  • White Torso, Blue Overall, Black Hair Minifigure, checked as a whole figure ×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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