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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.

RC Tracked Racer

Checking

42065 RC Tracked Racer

370 pieces in 63 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

Black 164 pieces

  • Hose Rigid 3mm D. 13L / 10.4cm Black Part 75c13 Element 6434172 or 6148175 ×1
  • Hose Rigid 3mm D. 4L / 3.2cm Black Part 75c04 Element 6145214 or 4509097 1 spare in the box ×2
  • Technic Axle Connector Smooth [with x Hole + Orientation] Black Part 59443 Element 6084612 or 4512363 ×4
  • Technic Axle and Pin Connector Angled #1 Black Part 32013 Element 6284699 or 4107085 ×5
  • Technic Axle and Pin Connector Angled #3 - 157.5° Black Part 32016 Element 6261386 or 4107082 ×4
  • Technic Axle and Pin Connector Perpendicular 3L with 2 Pin Holes Black Part 42003 Element 6273708 or 4200326 ×4
  • Technic Beam 1 x 5 Thick Black Part 32316 Element 4142135 or 4140429 ×3
  • Technic Beam 3 x 3 T-Shape Thick Black Part 60484 Element 4552347 or 4535771 ×3
  • Technic Beam 3 x 5 L-Shape Thick Black Part 32526 Element 4142823 or 3252626 ×9
  • Technic Link Tread Wide with Two Pin Holes, Reinforced Black Part 88323 Element 6014648 ×74
  • Technic Panel 3 x 11 x 1 Black Part 15458 Element 6080356 ×1
  • Technic Panel Curved 7 x 3 with 2 Pin Holes through Panel Surface Black Part 24119 Element 6150082 ×2
  • Technic Pin Connector Hub with 2 Perpendicular Axles Black Part 10197 Element 6099801 or 6098801 ×2
  • Technic Pin Long with Friction Ridges Lengthwise and Stop Bush [3 Lateral Holes, Big Pin Hole] Black Part 32054 Element 4140801 or 4107742 ×11
  • Technic Pin with Friction Ridges Lengthwise and Center Slots Black Part 2780 Element 4121715 or 278026 1 spare in the box ×39

Light Bluish Gray 46 pieces

  • Battery Box, Power Functions 4 x 11 x 7 with Orange Switch and Dark Bluish Gray Covers [Complete Assembly] [New Version] Light Bluish Gray Part 16511 Element 6368436 or 6257768 ×1
  • Control Unit, IR, Power Functions, with Dark Bluish Gray Bottom Light Bluish Gray Part 58122 Element 6225576 or 6074396 ×1
  • Motor, Medium, Power Functions, 3 x 6 x 3 with Dark Bluish Gray Bottom and 20cm Wire Light Bluish Gray Part 58120 Element 6209881 or 6151440 ×2
  • Receiver Unit, IR, Power Functions Light Bluish Gray Part 58123a Element 6194861 or 6132634 ×1
  • Technic Axle 3 Light Bluish Gray Part 4519 Element 4211815 ×5
  • Technic Axle 9 Light Bluish Gray Part 60485 Element 4535768 ×1
  • Technic Axle Connector with Axle Hole Light Bluish Gray Part 32039 Element 4211553 ×2
  • Technic Axle and Pin Connector Perpendicular Light Bluish Gray Part 6536 Element 6261375 or 4211775 ×6
  • Technic Axle and Pin Connector Perpendicular Triple Light Bluish Gray Part 63869 Element 6331441 or 4538007 ×3
  • Technic Beam 1 x 15 Thick Light Bluish Gray Part 32278 Element 4542577 or 4211770 ×4
  • Technic Beam 3 x 3 L-Shape Thin Light Bluish Gray Part 32056 Element 6271815 or 4211574 ×4
  • Technic Bush 1/2 Smooth with Axle Hole Semi-Reduced Light Bluish Gray Part 32123b Element 6271165 or 4211573 1 spare in the box ×12
  • Technic Pin Connector Hub with 2 Pins with Friction Ridges Lengthwise [Big Squared Pin Holes] Light Bluish Gray Part 87082 Element 4560175 ×2
  • Technic Pin Double with Axle Hole Light Bluish Gray Part 32138 Element 4211888 ×2

Blue 45 pieces

  • Technic Axle Pin with Friction Ridges Lengthwise Blue Part 43093 Element 4309323 or 4206482 ×18
  • Technic Pin Long with Friction Ridges Lengthwise, 2 Center Slots Blue Part 6558 Element 4514553 ×26
  • Tile 1 x 2 with Groove Blue Part 3069b Element 306923 ×1

Red 32 pieces

  • Technic Axle 2 Notched Red Part 32062 Element 4142865 ×4
  • Technic Axle and Pin Connector Perpendicular Double Split Red Part 41678 Element 4173975 ×4
  • Technic Bush Red Part 3713 Element 6271820 or 4227155 1 spare in the box ×14
  • Technic Pin Long with Friction Ridges Lengthwise and Stop Bush [3 Lateral Holes, Big Pin Hole] Red Part 32054 Element 4140806 or 4125198 ×9
  • Tile 1 x 2 with Groove Red Part 3069b Element 4178178 or 306921 ×1

Dark Bluish Gray 27 pieces

  • Technic Axle 5.5 with Stop [Rounded Short End] Dark Bluish Gray Part 59426 Element 4508553 ×4
  • Technic Axle Pin 3L with Friction Ridges Lengthwise and 1L Axle Dark Bluish Gray Part 11214 Element 6015356 ×9
  • Technic Axle and Pin Connector Perpendicular Double Dark Bluish Gray Part 32291 Element 6280395 or 4210655 ×2
  • Technic Beam 1 x 2 Thick with Pin Hole and Axle Hole Dark Bluish Gray Part 60483 Element 6265093 or 6006141 ×3
  • Technic Beam 1 x 3 Thick Dark Bluish Gray Part 32523 Element 32523199 or 4210751 ×5
  • Technic Beam 1 x 9 Thick Dark Bluish Gray Part 40490 Element 4645730 or 4210757 ×4

White 26 pieces

  • Flag 2 x 2 Square, Flat Clip Edge [Thick Clips] White Part 11055 Element 6011794 ×1
  • Technic Beam 1 x 3 Thick with Black '40 1977 - 2017' and 24 Tooth Gear Print White Part 32523pr0001 Element 6170737 ×1
  • Technic Beam 1 x 5 Thick White Part 32316 Element 4249021 or 4140465 ×2
  • Technic Beam 1 x 7 Thick White Part 32524 Element 6564912 or 6318056 ×2
  • Technic Panel Fairing # 3 Small Smooth Long, Side A White Part 64683 Element 4547581 ×1
  • Technic Panel Fairing # 4 Small Smooth Long, Side B White Part 64391 Element 4547582 ×1
  • Technic Panel Fairing #21 5L Small Smooth, Side B White Part 11946 Element 6330084 or 6114580 ×1
  • Technic Panel Fairing #22 5L Small Smooth, Side A White Part 11947 Element 6343987 or 6114583 ×1
  • Technic Tread Sprocket Wheel Large 10 Tooth White Part 57519 Element 6019617 ×4
  • Technic Wedge Belt Wheel [aka Pulley] White Part 4185 Element 6564907 or 6330136 ×12

Lime 12 pieces

  • Technic Beam 1 x 13 Thick Lime Part 41239 Element 6308230 or 6063602 ×2
  • Technic Beam 1 x 3 Thick Lime Part 32523 Element 6170474 or 4265684 ×2
  • Technic Beam 3 x 5 L-Shape Thick Lime Part 32526 Element 6286222 or 6170475 ×6
  • Technic Panel Fairing # 3 Small Smooth Long, Side A Lime Part 64683 Element 6004093 ×1
  • Technic Panel Fairing # 4 Small Smooth Long, Side B Lime Part 64391 Element 6004097 ×1

Reddish Brown 10 pieces

  • Technic Axle 5 with Stop Reddish Brown Part 15462 Element 6159763 ×10

Tan 4 pieces

  • Technic Axle Pin without Friction Ridges Lengthwise Tan Part 3749 Element 4666579 or 4186017 ×4

Trans-Clear 2 pieces

  • Technic Tooth 1 x 3 with Axle Hole [Rounded Underside] Trans-Clear Part 41669 Element 4611639 ×2

Yellow 1 piece

  • Technic Axle 5 Yellow Part 32073 Element 6130008 ×1

[No Color/Any Color] 1 piece

  • Sticker Sheet for Set 42065-1 [No Color/Any Color] Part 29042 Element 6171761 ×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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