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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.

Tundra Tracker

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4744 Tundra Tracker

133 pieces in 70 part and color combinations, plus 2 minifigures.

The official piece count includes the 8 parts inside the set's minifigures, which this inventory lists separately. 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

Plates 21 pieces

  • Plate 1 x 6 Black Part 3666 Element 366626 ×1
  • Plate 1 x 8 Black Part 3460 Element 346026 ×2
  • Plate 2 x 12 Black Part 2445 Element 244526 ×1
  • Plate 2 x 2 Black Part 3022 Element 302226 ×2
  • Plate 2 x 2 Corner Black Part 2420 Element 242026 ×2
  • Plate 2 x 3 Black Part 3021 Element 302126 ×5
  • Plate 2 x 4 Dark Bluish Gray Part 3020 Element 4211065 ×2
  • Plate 4 x 4 Dark Bluish Gray Part 3031 Element 4243831 or 4211089 ×1
  • Plate 2 x 2 White Part 3022 Element 6552099 or 6548260 ×2
  • Plate 2 x 4 White Part 3020 Element 6552098 or 302001 ×2
  • Plate 4 x 4 White Part 3031 Element 6552127 or 4243812 ×1

Technic Pins 18 pieces

  • Technic Pin Long with Friction Ridges Lengthwise, 2 Center Slots Black Part 6558 Element 655826 ×4
  • Technic Pin with Friction Ridges Lengthwise and Center Slots Black Part 2780 Element 4121715 or 278026 1 spare in the box ×8
  • Technic Pin Long without Friction Ridges - Single Slot Light Bluish Gray Part 32556a Element 4211709 ×2
  • Technic Pin Long with Friction Ridges Lengthwise and Stop Bush [3 Lateral Holes, Big Pin Hole] White Part 32054 Element 4193409 ×4

Technic Bricks 14 pieces

  • Technic Brick 1 x 4 [3 Pin Holes] Black Part 3701 Element 370126 ×1
  • Technic Brick 1 x 6 [5 Pin Holes] Black Part 3894 Element 389426 ×2
  • Technic Brick 1 x 12 [11 Pin Holes] Light Bluish Gray Part 3895 Element 4211860 ×2
  • Technic Brick 1 x 16 [15 Pin Holes] Light Bluish Gray Part 3703 Element 4211443 ×2
  • Technic Brick 1 x 2 [1 Pin Hole] Light Bluish Gray Part 3700 Element 4211440 ×2
  • Technic Brick 4 x 6 with 2 x 4 Opening Light Bluish Gray Part 32531 Element 4211716 ×1
  • Technic Brick 6 x 8 with 4 x 6 Opening Light Bluish Gray Part 32532 Element 6421513 or 4211848 ×2
  • Technic Brick 1 x 1 with Pin Hole White Part 6541 Element 6609542 or 654101 ×2

Bricks Sloped 11 pieces

  • Brick Sloped 33° 3 x 1 Black Part 4286 Element 428626 ×4
  • Brick Sloped Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes] Black Part 3660 Element 366026 ×1
  • Brick Sloped 45° 2 x 1 with Bottom Pin Dark Bluish Gray Part 3040b Element 4211135 ×5
  • Brick Sloped Inverted 45° 2 x 1 Light Bluish Gray Part 3665 Element 4211437 ×1

Tiles 9 pieces

  • Tile 1 x 6 with Groove Black Part 6636 Element 663626 ×5
  • Tile 2 x 2 with Groove Black Part 3068b Element 306826 ×2
  • Tile 2 x 2 with Alpha Team Arctic Blue Rectangle Grid Display Print Dark Bluish Gray Part 3068bpr0108 Element 4514441 or 4225456 ×1
  • Tile 2 x 2 with Alpha Team Arctic Lightning Logo Print Sand Blue Part 3068bpr0115 Element 4225429 ×1

Bricks Wedged 8 pieces

  • Brick Wedged, Curved 8 x 3 x 2 Open Left Dark Blue Part 41750 Element 6392163 or 6074660 ×1
  • Brick Wedged, Curved 8 x 3 x 2 Open Right Dark Blue Part 41749 Element 6392164 or 6074665 ×1
  • Brick Wedged, Curved 6 x 2 Left with Alpha Team Arctic Print Sand Blue Part 41748pr0016 ×2
  • Brick Wedged, Curved 6 x 2 Right with Alpha Team Arctic Print Sand Blue Part 41747pr0016 Element 4224288 or 4224287 ×2
  • Brick Wedged, Sloped 4 x 2 Triple Left Sand Blue Part 43710 Element 4220012 ×1
  • Brick Wedged, Sloped 4 x 2 Triple Right Sand Blue Part 43711 Element 4220013 ×1

Bricks Special 6 pieces

  • Brick Special 1 x 1 Studs on 4 Sides Dark Bluish Gray Part 4733 Element 4210700 ×2
  • Brick Special 2 x 2 with Pin and Axle Hole Light Bluish Gray Part 6232 Element 6347704 or 4211529 ×2
  • Brick Special 1 x 1 with Headlight White Part 4070 Element 6548267 or 407001 ×2

Tiles Special 6 pieces

  • Tile Special 1 x 2 with Handle Black Part 2432 Element 243226 ×1
  • Tile Special 1 x 2 Grille with Bottom Groove Green Part 2412b Element 4568993 or 4519978 1 spare in the box ×1
  • Tile Special 1 x 2 Grille with Bottom Groove White Part 2412b Element 6601902 or 241201 ×4

Bricks 5 pieces

  • Brick 2 x 2 Black Part 3003 Element 4103587 or 300326 ×2
  • Brick 1 x 4 Dark Bluish Gray Part 3010 Element 4211103 ×1
  • Brick 1 x 2 White Part 3004 Element 6548257 or 4613964 ×1
  • Brick 2 x 2 Corner White Part 2357 Element 6552088 or 6548253 ×1

Wheels and Tyres 4 pieces

  • Wheel Hard Plastic Spoked Black Part 30324 Element 4173267 or 4121697 ×4

Panels 3 pieces

  • Panel 1 x 2 x 2 [Hollow Studs] White Part 4864b ×3

Transportation - Sea and Air 3 pieces

  • Cockpit 6 x 6 x 2 Cabin Base with Technic Holes Black Part 47507 Element 4506602 or 4209722 ×1
  • Wing, Tail 4 x 1 x 3 Dark Blue Part 2340 Element 4529955 or 4224009 ×2

Windscreens and Fuselage 3 pieces

  • Windscreen 10 x 4 x 2 Curved with Bubble Cutout and Single Hinge Finger Black Part 47843 Element 4254937 ×1
  • Windscreen 8 x 4 x 2 Curved Taper with Locking Dual 2 Fingers Sand Blue Part 30536 Element 4227077 or 4143748 ×1
  • Windscreen 9 x 3 x 1 2/3 Bubble Canopy with Red Square and Verniers Print Trans-Clear Part 47844pr0002 Element 4224283 ×1

Bars, Ladders and Fences 2 pieces

  • Antenna 8H Whip Trans-Orange Part 2569 Element 6288215 or 6262202 ×2

Hinges, Arms and Turntables 2 pieces

  • Hinge Brick 1 x 2 Locking with 1 Finger Vertical End Light Bluish Gray Part 30364 Element 4211693 ×2

Plates Round Curved and Dishes 2 pieces

  • Plate Round 1 x 1 with Solid Stud Trans-Dark Blue Part 6141 Element 6514055 or 6240214 1 spare in the box ×1
  • Plate Round 2 x 2 with Rounded Bottom [Boat Stud] Trans-Medium Blue Part 2654 Element 6001231 or 4278407 ×1

Plates Special 2 pieces

  • Plate Special 1 x 1 with Clip Horizontal [Thick U Clip] Black Part 6019 Element 601976 or 601926 ×2

Plates Wedged 2 pieces

  • Wedge Plate 3 x 2 Left Sand Blue Part 43723 Element 6373305 or 4224013 ×1
  • Wedge Plate 3 x 2 Right Sand Blue Part 43722 Element 6373307 or 4224012 ×1

Rock 2 pieces

  • Rock Panel 2 x 4 x 6 with Marbled White Streak Trans-Medium Blue Part 47847pat0001 Element 4215882 ×2

Technic Connectors 2 pieces

  • Technic Axle Connector Ridged [with x Hole x Orientation] White Part 6538b Element 4113803 or 4100407 ×2

Technic Special 2 pieces

  • Technic Link 1 x 5 Black Part 30397 Element 4140701 ×2

Large Buildable Figures 1 piece

  • Large Figure Weapon Spear, Drill with Axle and Hole Black Part 40340 Element 4507190 or 4227078 ×1

Minifig Accessories 1 piece

  • Equipment Crystal Ball Globe 2 x 2 x 2 Trans-Clear Part 30106 Element 6507889 or 6274736 ×1

Minifig Heads 1 piece

  • Minifig Head (No Face), Alpha Team Arctic Red, Blue, Yellow Ogel Orb Print [Blocked Open Stud] White Part 3626bpr0094 Element 4225962 ×1

Stickers 1 piece

  • Sticker Sheet for Set 4744-1 [No Color/Any Color] Part 50190 Element 4226571 ×1

Technic Axles 1 piece

  • Technic Axle 8 Black Part 3707 Element 370726 ×1

Technic Bushes 1 piece

  • Technic Bush Light Bluish Gray Part 3713 Element 6275844 or 6271817 1 spare in the box ×1

Minifigures 2 figures

  • Radia (Alpha Team) Minifigure, checked as a whole figure ×1
  • Diamond 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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