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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.

Air Temple

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3828 Air Temple

384 pieces in 131 part and color combinations, plus 4 minifigures.

LEGO counts 400 pieces. This inventory comes from a separate parts catalog and lists 401, including the 17 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.

Look-alike colors in this set

These parts appear in this set in two colors that are easy to confuse. If you are one short in one color, check whether it went in where the other color belongs. Each color has its own element ID in the parts list at the back of the instructions.

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Piece checklist

Plates 66 pieces

  • Plate 1 x 2 Black Part 3023 Element 302326 ×8
  • Plate 1 x 3 Black Part 3623 Element 362326 ×4
  • Plate 4 x 4 Black Part 3031 Element 4243819 or 303126 ×1
  • Plate 2 x 2 Dark Bluish Gray Part 3022 Element 4211094 ×2
  • Plate 2 x 6 Dark Bluish Gray Part 3795 Element 4211002 ×1
  • Plate 4 x 6 Dark Bluish Gray Part 3032 Element 4211115 or 3032199 ×2
  • Plate 1 x 4 Light Bluish Gray Part 3710 Element 4211445 ×4
  • Plate 1 x 6 Light Bluish Gray Part 3666 Element 4211438 ×4
  • Plate 2 x 3 Light Bluish Gray Part 3021 Element 4211396 ×4
  • Plate 1 x 1 Reddish Brown Part 3024 Element 4221744 ×2
  • Plate 1 x 8 Reddish Brown Part 3460 Element 4216945 ×2
  • Plate 1 x 10 Tan Part 4477 Element 4143409 or 447705 ×1
  • Plate 1 x 2 Tan Part 3023 Element 4113917 or 302305 ×12
  • Plate 1 x 3 Tan Part 3623 Element 4121921 or 362305 ×10
  • Plate 1 x 8 Tan Part 3460 Element 4114324 or 346005 ×2
  • Plate 2 x 10 Tan Part 3832 Element 4249019 or 4248731 ×2
  • Plate 2 x 4 Tan Part 3020 Element 4114309 or 302005 ×2
  • Plate 4 x 6 Tan Part 3032 Element 4114001 ×2
  • Plate 2 x 2 White Part 3022 Element 6552099 or 6548260 ×1

Bricks Sloped 53 pieces

  • Brick Sloped 45° 2 x 2 Blue Part 3039 Element 303923 ×1
  • Brick Sloped 33° 3 x 2 Dark Bluish Gray Part 3298 Element 4211106 ×1
  • Brick Sloped 45° 2 x 1 with Bottom Pin Dark Bluish Gray Part 3040b Element 4211135 ×4
  • Brick Sloped Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes] Dark Bluish Gray Part 3660 Element 4211000 ×2
  • Brick Sloped 45° 6 x 4 Double [aka Train Roof] Light Bluish Gray Part 32083 Element 6255824 or 4295318 ×1
  • Brick Sloped Inverted 45° 2 x 1 Reddish Brown Part 3665 Element 4211222 ×2
  • Brick Sloped 45° 2 x 1 Triple with Ovoid Bottom Pin Sand Green Part 3048c Element 6134271 or 4597660 ×1
  • Brick Sloped 45° 2 x 1 with Bottom Pin Sand Green Part 3040b Element 6083976 or 4597014 ×2
  • Brick Sloped 45° 2 x 2 Sand Green Part 3039 Element 6083972 or 4598055 ×3
  • Brick Sloped 33° 3 x 2 Tan Part 3298 Element 6020375 or 4542401 ×2
  • Brick Sloped 45° 2 x 1 with Bottom Pin Tan Part 3040b Element 4121972 or 4113989 ×16
  • Brick Sloped 45° 2 x 2 Double Convex Tan Part 3045 Element 6222431 or 4542407 ×2
  • Brick Sloped 75° 2 x 1 x 3 with Open Stud Tan Part 4460a ×4
  • Brick Sloped 45° 2 x 1 with Bottom Pin White Part 3040b Element 6552115 or 4121932 ×12

Bricks Round and Cones 40 pieces

  • Brick Round 4 x 4 with 4 Side Pin Holes and Center Axle Hole Dark Bluish Gray Part 6222 Element 4211097 ×4
  • Brick Round 1 x 1 Open Stud Reddish Brown Part 3062b Element 4211183 ×14
  • Brick Round Corner 4 x 4 Macaroni Wide with 3 Studs Sand Green Part 48092 Element 6575779 or 4219690 ×2
  • Cone Half 8 x 4 x 6 with Roof Shingles Print Sand Green Part 47543pr0001 Element 4295306 ×1
  • Brick Round 1 x 1 Open Stud Tan Part 3062b Element 4117070 or 306205 ×6
  • Cone 1 x 1 [No Top Groove] Tan Part 4589 Element 4520958 or 4129997 ×3
  • Brick Round 1 x 1 Open Stud Trans-Green Part 3062b Element 6514234 or 6238046 ×10

Bricks 34 pieces

  • Brick 2 x 2 Dark Bluish Gray Part 3003 Element 4211060 ×1
  • Brick 2 x 4 Dark Bluish Gray Part 3001 Element 4211085 ×3
  • Brick 1 x 2 Light Bluish Gray Part 3004 Element 4211388 ×8
  • Brick 1 x 1 Tan Part 3005 Element 4113915 or 300505 ×2
  • Brick 1 x 1 x 5 with Blocked Open or Hollow Stud Tan Part 2453a Element 245305 ×4
  • Brick 1 x 10 Tan Part 6111 Element 4166138 or 611105 ×1
  • Brick 1 x 16 Tan Part 2465 Element 4295313 or 4165812 ×1
  • Brick 1 x 2 x 5 with Blocked Open Studs and Bottom Stud Holder with Asymmetric Ridges Tan Part 2454a Element 245405 ×2
  • Brick 2 x 2 Tan Part 3003 Element 4114306 or 300305 ×10
  • Brick 2 x 2 Corner Tan Part 2357 Element 4124455 or 4112541 ×2

Tiles 34 pieces

  • Tile 1 x 1 with Groove Black Part 3070b Element 307026 1 spare in the box ×2
  • Tile 1 x 2 with Groove Black Part 3069b Element 306926 Also in Dark Bluish Gray ×4
  • Tile 1 x 4 with Groove Black Part 2431 Element 243126 ×4
  • Tile 1 x 2 with Groove Dark Bluish Gray Part 3069b Element 4211052 Also in Black ×4
  • Tile 1 x 6 with Groove Dark Bluish Gray Part 6636 Element 4210651 ×2
  • Tile 2 x 2 with Groove Red Part 3068b Element 306821 ×2
  • Tile 1 x 2 with Groove Reddish Brown Part 3069b Element 4211151 ×2
  • Tile 1 x 6 with Groove Reddish Brown Part 6636 Element 4211204 ×2
  • Tile 1 x 1 with Groove White Part 3070b Element 6550138 or 307001 1 spare in the box ×7
  • Tile 1 x 2 with Groove White Part 3069b Element 6548264 or 306901 ×5

Plates Round Curved and Dishes 17 pieces

  • Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) Black Part 4032a Element 403226 ×1
  • Dish 3 x 3 Inverted [Radar] Dark Bluish Gray Part 43898 Element 4210865 ×1
  • Plate Round 1 x 1 with Solid Stud Dark Bluish Gray Part 6141 Element 4210633 1 spare in the box ×4
  • Plate Round 1 x 1 with Solid Stud Red Part 6141 Element 614121 1 spare in the box ×4
  • Plate Round Corner 4 x 4 Tan Part 30565 Element 4570516 or 4295315 ×4
  • Dish 4 x 4 Inverted [Radar] Trans-Clear Part 3960 Element 4166082 or 4125240 ×1
  • Plate Round 1 x 1 with Solid Stud Trans-Dark Blue Part 6141 Element 6514055 or 6240214 1 spare in the box ×2

Plates Special 16 pieces

  • Plate Special 1 x 1 with Clip Vertical [Thick U Clip] Black Part 4085c Element 408526 ×6
  • Plate Special 2 x 2 with 2 Pin Holes Black Part 2817 Element 281726 ×1
  • Technic Plate 2 x 4 [3 Holes] Black Part 3709 Element 370926 ×2
  • Technic Plate 2 x 6 [5 Holes] Black Part 32001 Element 3200126 ×2
  • Plate Special 1 x 2 with 1 Stud without Groove (Jumper) Light Bluish Gray Part 3794a ×1
  • Plate Special 2 x 2 with Grills Light Bluish Gray Part 41862 Element 4211748 ×1
  • Plate Special 1 x 2 with 1 Stud without Groove (Jumper) Red Part 3794a ×3

Bricks Special 12 pieces

  • Brick Special 1 x 4 with 4 Studs on One Side Dark Bluish Gray Part 30414 Element 4210725 ×2
  • Brick Special 1 x 2 with Pin Light Bluish Gray Part 2458 Element 4211364 ×2
  • Brick Special 1 x 2 Palisade [aka Log] Reddish Brown Part 30136 Element 4211180 ×6
  • Brick Special 1 x 4 Palisade [aka Log] Reddish Brown Part 30137 Element 4211181 ×2

Bricks Curved 10 pieces

  • Brick Arch 1 x 3 x 2 Curved Top Black Part 6005 Element 4618880 or 4188168 ×2
  • Brick Curved 1 x 2 x 1 1/3 with Curved Top Black Part 6091 Element 6383142 or 6184784 ×4
  • Brick Arch 1 x 5 x 4 [Continuous Bow] Reddish Brown Part 2339 Element 4544167 or 4519927 ×2
  • Brick Arch 1 x 4 Tan Part 3659 Element 4550323 or 4542424 ×2

Hinges, Arms and Turntables 10 pieces

  • Plate Special 4 x 6 x 2/3 with Trap Door Hinge Dark Bluish Gray Part 30042 Element 4211077 ×1
  • Plate Special 6 x 8 Trap Door Frame Horizontal Dark Bluish Gray Part 30041 Element 4210784 ×1
  • Hinge Brick 1 x 4 [Lower] Reddish Brown Part 3831 Element 4215449 ×4
  • Hinge Brick 1 x 4 [Upper] Reddish Brown Part 3830 Element 6345000 or 6011460 ×4

Projectiles / Launchers 9 pieces

  • Launcher 2 x 3 x 4 2/3, Disc Black Part 53990 Element 4295301 ×1
  • Projectile, Weapon Disc 2 x 2 with Marbled Yellow Pattern Red Part 53993pat0001 Element 4496199 ×8

Minifig Shields, Weapons, & Tools 8 pieces

  • Weapon Halberd / Axe Black Part 3848 Element 4118867 or 384826 ×4
  • Weapon Lance Black Part 3849 Element 6345264 or 384926 ×1
  • Weapon Sword / Katana [Octagonal Guard] Black Part 30173a Element 4613936 or 4114206 ×3

Technic Axles 8 pieces

  • Technic Axle 2 Notched Black Part 32062 Element 4109810 or 3206226 ×4
  • Technic Axle 3 with Stud Dark Bluish Gray Part 6587 Element 6587199 or 6129590 ×1
  • Technic Axle 3 Light Bluish Gray Part 4519 Element 4211815 ×2
  • Technic Axle 5 Light Bluish Gray Part 32073 Element 32073194 or 4211639 ×1

Technic Beams 8 pieces

  • Technic Beam 1 x 3 Thin Blue Part 6632 Element 6344176 or 4107829 ×1
  • Technic Beam 1 x 4 Thin Dark Bluish Gray Part 32449 Element 6327561 or 4210749 ×2
  • Technic Beam 1 x 2 Thin Light Bluish Gray Part 41677 Element 6348143 or 4211741 ×5

Technic Bricks 8 pieces

  • Technic Brick 1 x 14 [13 Pin Holes] Black Part 32018 Element 4107558 ×1
  • Technic Brick 6 x 8 with 4 x 6 Opening Black Part 32532 Element 6448394 or 4188143 ×1
  • Technic Brick 1 x 2 [1 Pin Hole] Dark Bluish Gray Part 3700 Element 4211111 ×4
  • Technic Brick 1 x 4 [3 Pin Holes] Tan Part 3701 Element 4234365 or 370105 ×2

Panels 7 pieces

  • Panel 1 x 2 x 1 [Square Corners] Black Part 4865a Element 486526 ×5
  • Panel 4 x 4 x 6 Quarter Cylinder Tan Part 30562 Element 6056230 or 4158716 ×2

Technic Pins 7 pieces

  • Technic Pin with Friction Ridges Lengthwise and Center Slots Black Part 2780 Element 4121715 or 278026 1 spare in the box ×2
  • Technic Pin Long without Friction Ridges - Single Slot Light Bluish Gray Part 32556a Element 4211709 ×1
  • Technic Axle Pin without Friction Ridges Lengthwise Tan Part 3749 Element 4666579 or 4186017 ×4

Tiles Special 6 pieces

  • Tile Special 1 x 2 with Handle Black Part 2432 Element 243226 ×4
  • Tile Special 1 x 2 Grille with Bottom Groove Dark Bluish Gray Part 2412b Element 4210631 ×2

Bricks Wedged 4 pieces

  • Brick Wedged, Sloped 4 x 2 Triple Left Dark Bluish Gray Part 43710 Element 4210866 ×2
  • Brick Wedged, Sloped 4 x 2 Triple Right Dark Bluish Gray Part 43711 Element 4210867 ×2

Technic Connectors 4 pieces

  • Technic Axle 1.5 with Perpendicular Axle Connector (Technic Pole Reverser Handle) Black Part 6553 Element 4107765 or 655326 ×1
  • Technic Axle and Pin Connector Angled #1 Black Part 32013 Element 6284699 or 4107085 ×1
  • Technic Axle and Pin Connector Angled #4 - 135° Black Part 32192 Element 6262897 or 4121610 ×1
  • Technic Axle Connector Ridged [with x Hole x Orientation] Light Bluish Gray Part 6538b Element 4211543 ×1

Bars, Ladders and Fences 3 pieces

  • Bar 1 x 3 [Clip / Anti-Stud] Black Part 4735 Element 4141580 or 473576 ×1
  • Lever Small Base with Black Lever Red Part 298c02 Element 74335 1 spare in the box ×2

String, Bands and Reels 3 pieces

  • String Cord Thin (0.5mm) [Undetermined Length] Black Part 56823 Element 7009426 ×1
  • String Reel 1 x 4 x 2 Drum with Friction Spokes Black Part 30635 Element 4154158 ×1
  • String Reel 1 x 4 x 2 Holder with 2 Technic Pins Dark Bluish Gray Part 30636 Element 4212530 ×1

Technic Bushes 3 pieces

  • Technic Bush 1/2 Smooth with Axle Hole Semi-Reduced Light Bluish Gray Part 32123b Element 6271165 or 4211573 1 spare in the box ×3

Technic Special 3 pieces

  • Technic Disc 3 x 3 Black Part 2723 Element 4218868 or 4121619 ×3

Containers 2 pieces

  • Barrel 2 x 2 x 2 Reddish Brown Part 2489 Element 6605306 or 6278989 ×1
  • Box / Crate with Handholds 3 x 4 x 1 2/3 Reddish Brown Part 30150 Element 4211185 ×1

Energy Effects 2 pieces

  • Wave / Flame Rounded with Base Pegs Trans-Neon Orange Part 6126a ×2

Rock 2 pieces

  • Rock Panel Triangular 3 x 8 x 7 Dark Bluish Gray Part 6083 Element 4216709 ×2

Animals / Creatures 1 piece

  • Animal, Lemur (Momo) Light Tan Part 56093 Element 4293691 ×1

Baseplates 1 piece

  • Baseplate 16 x 32 White Part 3857 Element 6030593 or 4295314 ×1

Stickers 1 piece

  • Sticker Sheet for Set 3828-1 [No Color/Any Color] Part 56216 Element 4294108 ×1

Supports, Girders and Cranes 1 piece

  • Hook with Towball Dark Bluish Gray Part 30395 Element 30395199 or 6347464 ×1

Transportation - Sea and Air 1 piece

  • Wing, 6 x 12 Triangle, with Brown Spars and Orange Cloth Print, [Sheet of 2] Trans-Clear Part 56217 Element 4294109 ×1

Minifigures 4 figures

  • Aang Minifigure, checked as a whole figure ×1
  • Fire Nation Soldier Minifigure, checked as a whole figure ×1
  • Firebender Minifigure, checked as a whole figure ×1
  • Sokka 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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