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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.

Team Challenge Upgrade Kit

Checking

970687 Team Challenge Upgrade Kit

96 pieces in 38 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

Light Gray 43 pieces

  • Plate 2 x 2 Corner Light Gray Part 2420 Element 242052 or 242002 ×8
  • Plate Special 2 x 2 with 2 Pin Holes Light Gray Part 2817 Element 281702 ×2
  • Technic Axle 1.5 with Perpendicular Axle Connector (Technic Pole Reverser Handle) Light Gray Part 6553 Element 655302 ×2
  • Technic Axle Connector Ridged [with x Hole x Orientation] Light Gray Part 6538b Element 4113804 or 4100408 ×6
  • Technic Axle Connector with Axle Hole Light Gray Part 32039 Element 4106469 ×6
  • Technic Axle and Pin Connector Perpendicular Light Gray Part 6536 Element 4173667 or 653602 ×4
  • Technic Beam 1 x 3 Thin Light Gray Part 6632 Element 4107825 ×2
  • Technic Beam 1 x 5 Thin Light Gray Part 32017 Element 4106885 ×2
  • Technic Beam 3 x 3 L-Shape Thin Light Gray Part 32056 Element 4111941 ×4
  • Technic Bush 1/2 Smooth with Axle Hole Reduced Light Gray Part 32123a ×2
  • Technic Gear 20 Tooth Double Bevel with Axle Hole Type 2 [X Opening] Light Gray Part 32269 Element 4141455 ×1
  • Technic Gear Rack 1 x 8 with Holes Light Gray Part 6630 Element 663002 ×1
  • Technic Gear Timing Wheel 8 Tooth Light Gray Part 32060 Element 4141481 ×1
  • Technic Universal Joint 4L [Complete Assembly] Light Gray Part 9244 Element 9244 ×2

Blue 21 pieces

  • Sensor, Light with Fixed Cable Blue Part 2982c01 Element 4119421 ×1
  • Technic Axle and Pin Connector Angled #2 - 180° Blue Part 32034 Element 6484676 or 4107798 ×2
  • Technic Axle and Pin Connector Angled #6 - 90° Blue Part 32014 Element 4112205 ×4
  • Technic Axle and Pin Connector Perpendicular 3L with Centre Pin Hole Blue Part 32184 Element 4128599 ×2
  • Technic Beam 1 x 4 Thin Blue Part 32449 Element 6488701 or 4144283 ×2
  • Technic Beam 3 x 5 L-Shape with Quarter Ellipse Thin Blue Part 32250 Element 6371955 or 6339225 ×2
  • Technic Pin Long with Friction Ridges Lengthwise and Stop Bush [3 Lateral Holes, Big Pin Hole] Blue Part 32054 Element 4140800 or 4107741 ×4
  • Tile 1 x 2 with Groove Blue Part 3069b Element 306923 ×4

Black 18 pieces

  • Technic Axle 2 Notched Black Part 32062 Element 4109810 or 3206226 ×2
  • Technic Axle 4 Black Part 3705 Element 370526 ×5
  • Technic Axle 6 Black Part 3706 Element 370626 ×2
  • Technic Axle 8 Black Part 3707 Element 370726 ×1
  • Technic Beam 1 x 7 Thin Black Part 32065 Element 6271573 or 6253293 ×4
  • Technic Beam 1 x 9 Bent (6 - 4) Thick Black Part 6629 Element 6279881 or 4119800 ×2
  • Tyre 43 x 17 Black Part 3634 Element 4523564 or 363426 ×2

Trans-Dark Blue 4 pieces

  • Technic Modular Connector Trans-Dark Blue Part 32137 Element 4118978 ×4

Yellow 3 pieces

  • Technic Gearbox 2 x 4 x 3 1/3 Yellow Part 6588 Element 658824 ×1
  • Technic Pin Double with Axle Hole Yellow Part 32138 Element 4130596 or 4119438 ×2

[No Color/Any Color] 3 pieces

  • Activity Booklet 1 - Set 0687 [No Color/Any Color] Part 0687b1 ×1
  • Activity Booklet 1 - Set 9793 [No Color/Any Color] Part 9793b1 ×1
  • Playmat / Test Mat for Mindstorms for Schools - Training Missions Activity Pad [No Color/Any Color] Part 45533 Element 4189432 ×1

Dark Gray 2 pieces

  • Technic Brick 1 x 2 [2 Pin Holes] Dark Gray Part 32000 Element 4157826 or 4101759 ×2

Chrome Silver 1 piece

  • Dish 2 x 2 x 2/3 Light Reflector Chrome Silver Part 71128 Element 71128 ×1

White 1 piece

  • Light Brick 1 x 2 with Single Side Light White Part 6035 Element 4603220 or 74880 ×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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