Free tool

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.

T-16 Skyhopper

Checking

4477 T-16 Skyhopper

94 pieces in 47 part and color combinations, plus 1 minifigure.

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 20 pieces

  • Plate 1 x 2 Blue Part 3023 Element 302323 ×5
  • Plate 2 x 2 Blue Part 3022 Element 4613973 or 302223 ×1
  • Plate 1 x 4 Dark Gray Part 3710 Element 371027 ×1
  • Plate 1 x 8 Dark Gray Part 3460 Element 346027 ×3
  • Plate 1 x 6 Red Part 3666 Element 366621 ×4
  • Plate 2 x 2 Corner Red Part 2420 Element 242071 or 242021 ×2
  • Plate 1 x 8 White Part 3460 Element 6550141 or 346001 ×1
  • Plate 2 x 6 White Part 3795 Element 6550146 or 379501 ×2
  • Plate 1 x 2 Yellow Part 3023 Element 302324 ×1

Bricks Sloped 13 pieces

  • Brick Sloped Inverted 34° 3 x 1 without Internal Stopper Dark Gray Part 4287a Element 4112881 or 428727 ×1
  • Brick Sloped 45° 2 x 1 with Bottom Pin Light Gray Part 3040b Element 4121933 or 304002 ×3
  • Brick Sloped 45° 2 x 3 Light Gray Part 3038 Element 4173255 or 4114311 ×2
  • Brick Sloped 45° 2 x 3 with Yellow Line and Black Border Print Light Gray Part 3038pr0003 ×2
  • Brick Sloped 45° 2 x 4 with Red Dragon Left Print Light Gray Part 3037pr0015 ×1
  • Brick Sloped 45° 2 x 4 with Red Dragon Right Print Light Gray Part 3037pr0014 ×1
  • Brick Sloped 55° 1 x 6 x 5 Light Gray Part 30249 Element 4159744 ×1
  • Brick Sloped 55° 1 x 6 x 5 with Red and Dark Gray Print Light Gray Part 30249pr0001 ×1
  • Brick Sloped Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes] White Part 3660 Element 366001 ×1

Bricks 10 pieces

  • Brick 1 x 3 Dark Gray Part 3622 Element 4114313 or 362227 ×1
  • Brick 1 x 2 Light Gray Part 3004 Element 300402 ×4
  • Brick 1 x 4 Light Gray Part 3010 Element 301002 ×5

Tiles Special 10 pieces

  • Tile Special 1 x 2 Grille with Bottom Groove Black Part 2412b Element 241226 ×6
  • Tile Special 1 x 1 with Clip and Straight Tips White Part 2555 Element 255501 ×4

Hinges, Arms and Turntables 8 pieces

  • Hinge Brick 1 x 2 Locking with 2 Fingers Vertical End, 9 Teeth Black Part 30365 Element 4144502 or 4129975 ×2
  • Hinge Brick 1 x 2 Locking with Single Finger On Top Black Part 76385 Element 6038008 or 4141113 ×2
  • Hinge Vehicle Roof Holder 1 x 4 Black Part 4315 Element 4250225 or 431576 ×2
  • Hinge Vehicle Roof 4 x 4 White Part 4213 Element 4256454 or 421301 ×2

Plates Special 7 pieces

  • Plate Special 1 x 2 with 1 Stud without Groove (Jumper) Red Part 3794a ×7

Tiles 5 pieces

  • Tile 1 x 4 with Groove Black Part 2431 Element 243126 ×1
  • Tile 1 x 1 with Groove Dark Gray Part 3070b Element 4173260 1 spare in the box ×3
  • Tile 1 x 1 with SW Screen Print Tan Part 3070bpr0044 Element 4185083 or 4142948 1 spare in the box ×1

Plates Wedged 4 pieces

  • Wedge Plate 3 x 4 without Stud Notches Dark Gray Part 4859 Element 4181035 ×1
  • Wedge Plate 4 x 9 without Stud Notches Light Gray Part 2413 Element 4107093 ×1
  • Wedge Plate 6 x 12 Left Light Gray Part 30355 Element 4124088 ×1
  • Wedge Plate 6 x 12 Right Light Gray Part 30356 Element 4124089 ×1

Technic Bricks 4 pieces

  • Technic Brick 1 x 2 [1 Pin Hole] White Part 3700 Element 6619284 or 370001 ×4

Bricks Round and Cones 3 pieces

  • Brick Round 1 x 1 Open Stud Black Part 3062b Element 306226 ×1
  • Brick Round 2 x 2 with Axle Hole White Part 3941 Element 6601920 or 614351 ×2

Bars, Ladders and Fences 2 pieces

  • Bar 6.6L with Stop Ring [Umbrella Stand] White Part 4095 Element 4294998 or 409551 ×2

Minifig Accessories 2 pieces

  • Equipment Weapon, Loudhailer / Speaker / Blaster / Space Gun Black Part 4349 Element 434926 ×1
  • Equipment Space Binoculars / Scanner / Electrobinoculars Dark Gray Part 30304 Element 4120145 ×1

Plates Round Curved and Dishes 2 pieces

  • Plate Round 1 x 1 with Solid Stud Trans-Neon Orange Part 6141 Element 6240218 or 3005747 1 spare in the box ×1
  • Dish 2 x 2 Inverted [Radar] Trans-Red Part 4740 Element 6580377 or 6245303 ×1

Bricks Special 1 piece

  • Brick Special 1 x 1 with Headlight Black Part 4070 Element 407026 ×1

Bricks Wedged 1 piece

  • Brick Wedged, Sloped Inverted 6 x 4 with 2 Stud Connections White Part 4856a ×1

Minifig Shields, Weapons, & Tools 1 piece

  • Weapon Lance White Part 3849 Element 384901 ×1

Technic Pins 1 piece

  • Technic Pin Long with Friction Ridges Lengthwise and Stop Bush [3 Lateral Holes, Big Pin Hole] Black Part 32054 Element 4140801 or 4107742 ×1

Minifigures 1 figure

  • T-16 Skyhopper Pilot, Red Outfit, Yellow Skin 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.