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LEGO Missing Piece Checker

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Motorized Walking AT-AT

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10178 Motorized Walking AT-AT

1,121 pieces in 152 part and color combinations, plus 4 minifigures.

The official piece count includes the 16 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

Light Bluish Gray 521 pieces

  • Antenna 1 x 4 with Rounded Top Light Bluish Gray Part 3957a ×2
  • Bar 8L - Two Stop Rings / One Pin, Technic Figure Ski Pole [Rounded End] Light Bluish Gray Part 2714a ×2
  • Battery Box, Power Functions 4 x 11 x 7 with Orange Switch and Dark Bluish Gray Covers [Complete Assembly] Light Bluish Gray Part 58119 Element 4506078 ×1
  • Bracket 1 x 2 - 1 x 4 [Square Corners] Light Bluish Gray Part 2436 Element 4282740 or 4211358 ×8
  • Brick 1 x 2 Light Bluish Gray Part 3004 Element 4211388 ×16
  • Brick 2 x 2 Light Bluish Gray Part 3003 Element 4211387 ×4
  • Brick Round 4 x 4 with 4 Side Pin Holes and Center Axle Hole Light Bluish Gray Part 6222 Element 4211527 ×4
  • Brick Round Corner 2 x 2 Macaroni with Stud Notch Light Bluish Gray Part 3063b Element 4215385 ×16
  • Brick Sloped 33° 3 x 1 Light Bluish Gray Part 4286 Element 4211488 ×2
  • Brick Special 1 x 4 with 4 Studs on One Side Light Bluish Gray Part 30414 Element 4211636 ×2
  • Brick Wedged, Curved 6 x 2 Left, Inner Ridges Light Bluish Gray Part 41748 Element 6439174 or 4212008 ×1
  • Brick Wedged, Curved 6 x 2 Right, Inner Ridges Light Bluish Gray Part 41747 Element 4212007 ×1
  • Cone 1 x 1 [No Top Groove] Light Bluish Gray Part 4589 Element 4518652 or 4211499 ×2
  • Dish 4 x 4 Inverted [Radar] with Star Wars AT-AT/AT-TE Print Light Bluish Gray Part 3960pr0005 Element 4513164 ×4
  • Dish 6 x 6 Inverted (Radar) with Hollow Studs and AT-AT/AT-TE Print Light Bluish Gray Part 44375apr0004 Element 4513165 ×4
  • Engine / Air Scoop 2 x 2 Light Bluish Gray Part 50943 Element 4259422 ×1
  • Hinge Brick 1 x 2 Base Light Bluish Gray Part 3937 Element 4211469 ×3
  • Hinge Plate 1 x 2 Locking with 1 Finger On End, with Groove Light Bluish Gray Part 44301a Element 4211803 ×4
  • Hinge Plate 1 x 4 Locking Dual 1 Finger Light Bluish Gray Part 44568 Element 6276045 or 4211840 ×6
  • Hinge Plate 3 x 4 Locking Dual 2 Finger, 9 Teeth Light Bluish Gray Part 44570 Element 4211841 ×6
  • 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 ×1
  • Plate 1 x 10 Light Bluish Gray Part 4477 Element 4251149 or 4211495 ×4
  • Plate 1 x 4 Light Bluish Gray Part 3710 Element 4211445 ×8
  • Plate 1 x 6 Light Bluish Gray Part 3666 Element 4211438 ×12
  • Plate 2 x 10 Light Bluish Gray Part 3832 Element 4211462 ×2
  • Plate 2 x 2 Light Bluish Gray Part 3022 Element 4211397 ×8
  • Plate 2 x 2 Corner Light Bluish Gray Part 2420 Element 4211353 ×8
  • Plate 2 x 3 Light Bluish Gray Part 3021 Element 4211396 ×2
  • Plate 2 x 6 Light Bluish Gray Part 3795 Element 4211452 or 3795194 ×7
  • Plate 4 x 4 Light Bluish Gray Part 3031 Element 4243797 or 4211403 ×6
  • Plate 6 x 8 Light Bluish Gray Part 3036 Element 4211408 ×1
  • Plate Round 2 x 2 with Rounded Bottom [Boat Stud] Light Bluish Gray Part 2654 Element 4278273 or 4276273 ×32
  • Plate Special 1 x 1 with Clip Light, Bar Hole [Thick Ring] Light Bluish Gray Part 4081b Element 6281998 or 4632575 ×2
  • Plate Special 1 x 2 [Side Handle Closed Ends] Light Bluish Gray Part 48336 Element 4244627 ×8
  • Plate Special 1 x 2 with 1 Stud without Groove (Jumper) Light Bluish Gray Part 3794a ×17
  • Plate Special 1 x 2 with Handles [Flat Ends / Low Attachment] Light Bluish Gray Part 3839b Element 4211464 ×1
  • Plate Special 2 x 2 with 2 Pin Holes Light Bluish Gray Part 2817 Element 4211376 ×2
  • Plate Special 2 x 2 with Pin on Bottom Light Bluish Gray Part 2476a Element 6276848 or 4237084 ×2
  • Plate Special 4 x 6, Studs on 3 Edges Light Bluish Gray Part 6180 Element 4211838 ×9
  • Plate Special 6 x 12, Studs on 3 Edges Light Bluish Gray Part 6178 Element 4211836 ×4
  • Technic Axle 3 Light Bluish Gray Part 4519 Element 4211815 ×17
  • Technic Axle 5 Light Bluish Gray Part 32073 Element 32073194 or 4211639 ×3
  • Technic Axle 7 Light Bluish Gray Part 44294 Element 44294194 or 4211805 ×4
  • Technic Axle Towball Light Bluish Gray Part 2736 Element 6443149 or 4211375 ×4
  • Technic Axle and Pin Connector Angled #2 - 180° Light Bluish Gray Part 32034 Element 6346487 or 4211567 ×12
  • Technic Axle and Pin Connector Perpendicular Light Bluish Gray Part 6536 Element 6261375 or 4211775 ×33
  • Technic Beam 1 x 15 Thick Light Bluish Gray Part 32278 Element 4542577 or 4211770 ×10
  • Technic Beam 1 x 2 Thin Light Bluish Gray Part 41677 Element 6348143 or 4211741 ×19
  • Technic Beam 1 x 3 Thick Light Bluish Gray Part 32523 Element 4211655 ×6
  • Technic Beam 1 x 4 Thin with Stud Connector Light Bluish Gray Part 2825 Element 6331574 or 4211561 ×6
  • Technic Beam 1 x 5 Thick Light Bluish Gray Part 32316 Element 4211651 ×10
  • Technic Beam 1 x 9 Thick Light Bluish Gray Part 40490 Element 6102449 or 4211866 ×6
  • Technic Beam 2 x 4 L-Shape Thick Light Bluish Gray Part 32140 Element 6271831 or 4211610 ×11
  • Technic Beam 3 x 3 L-Shape Thin Light Bluish Gray Part 32056 Element 6271815 or 4211574 ×2
  • Technic Beam Triangle Thin [Type I] Light Bluish Gray Part 2905 Element 4211653 ×10
  • Technic Brick 1 x 8 [7 Pin Holes] Light Bluish Gray Part 3702 Element 4211442 ×10
  • Technic Bush 1/2 Smooth with Axle Hole Semi-Reduced Light Bluish Gray Part 32123b Element 6271165 or 4211573 1 spare in the box ×24
  • Technic Pin 1/2 without Friction Ridges Light Bluish Gray Part 4274 Element 4274194 or 4211483 1 spare in the box ×2
  • Technic Pin Connector Perpendicular 2 x 2 Bent Light Bluish Gray Part 44809 Element 4211880 ×2
  • Technic Pin Connector Plate with One Hole (Single on Bottom) Light Bluish Gray Part 32529 Element 4211828 or 4162945 ×4
  • Technic Pin without Friction Ridges Lengthwise Light Bluish Gray Part 3673 Element 4211807 or 3673194 2 spares in the box ×8
  • Technic Worm Gear Light Bluish Gray Part 4716 Element 4211510 ×1
  • Tile 1 x 2 with Groove Light Bluish Gray Part 3069b Element 4211414 ×10
  • Tile 1 x 6 with Groove Light Bluish Gray Part 6636 Element 4211549 ×4
  • Tile 2 x 2 with Groove Light Bluish Gray Part 3068b Element 4211413 ×8
  • Tile Special 1 x 1 with Clip and Straight Tips Light Bluish Gray Part 2555 Element 4211369 or 2555194 ×6
  • Tile Special 1 x 2 with Handle Light Bluish Gray Part 2432 Element 4211357 ×1
  • Wedge Plate 2 x 4 Light Bluish Gray Part 51739 Element 4507056 or 4252368 ×2
  • Wedge Plate 3 x 2 Left Light Bluish Gray Part 43723 Element 4211794 ×2
  • Wedge Plate 3 x 2 Right Light Bluish Gray Part 43722 Element 4211791 ×2
  • Wedge Plate 3 x 3 Cut Corner Light Bluish Gray Part 2450 Element 4211361 ×4
  • Wedge Plate 3 x 6 Cut Corners Light Bluish Gray Part 2419 Element 4211352 ×16
  • Wedge Plate 4 x 2 Left Light Bluish Gray Part 41770 Element 4211735 ×8
  • Wedge Plate 4 x 2 Right Light Bluish Gray Part 41769 Element 4211732 ×8
  • Wedge Plate 4 x 6 Cut Corners Light Bluish Gray Part 32059 Element 4211725 ×8
  • Wedge Plate 6 x 3 Left Light Bluish Gray Part 54384 Element 4282789 ×5
  • Wedge Plate 6 x 3 Right Light Bluish Gray Part 54383 Element 4282786 ×5
  • Wedge Plate 8 x 3, 22° Left Light Bluish Gray Part 50305 Element 4258275 or 4228302 ×1
  • Wedge Plate 8 x 3, 22° Right Light Bluish Gray Part 50304 Element 4258273 or 4228300 ×1
  • Windscreen 4 x 4 Roll Cage Light Bluish Gray Part 47758 Element 6231954 or 4249859 ×1

Dark Bluish Gray 249 pieces

  • Bar 1L with Clip Dark Bluish Gray Part 48729a Element 4222196 ×2
  • Bracket 1 x 2 - 2 x 2 Dark Bluish Gray Part 44728 Element 6117972 or 6048854 ×2
  • Brick 1 x 4 Dark Bluish Gray Part 3010 Element 4211103 ×5
  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Dark Bluish Gray Part 54200 Element 4504378 or 4244373 ×40
  • Brick Wedged, Curved 1 x 2 x 2/3 No Studs, Wing End Dark Bluish Gray Part 47458 Element 6258669 or 4218750 ×1
  • Dish 3 x 3 Inverted [Radar] Dark Bluish Gray Part 43898 Element 4210865 ×2
  • Equipment Shovel [Rounded Handle End] Dark Bluish Gray Part 3837 Element 4211006 ×2
  • Hinge Plate 1 x 2 Locking with 2 Fingers On End, with Groove, 9 Teeth Dark Bluish Gray Part 44302a Element 4210884 ×4
  • Plate 1 x 2 Dark Bluish Gray Part 3023 Element 4211063 ×7
  • Plate 1 x 3 Dark Bluish Gray Part 3623 Element 4211133 ×12
  • Plate 2 x 10 Dark Bluish Gray Part 3832 Element 4210678 ×4
  • Plate 2 x 4 Dark Bluish Gray Part 3020 Element 4211065 ×8
  • Plate Round Corner 3 x 3 Dark Bluish Gray Part 30357 Element 4212075 ×16
  • Plate Special 1 x 1 with Clip Horizontal [Thick U Clip] Dark Bluish Gray Part 6019 Element 4216973 ×4
  • Plate Special 2 x 2 with 1 Pin Hole [Split Underside Ribs] Dark Bluish Gray Part 2444 Element 4196768 ×10
  • Plate Special 3 x 2 with Rounded End, Hole Dark Bluish Gray Part 3176 Element 4225733 ×1
  • Technic Axle 3 with Stud Dark Bluish Gray Part 6587 Element 6587199 or 6129590 ×16
  • Technic Axle 5.5 with Stop [Rounded Short End] Dark Bluish Gray Part 59426 Element 4508553 ×2
  • Technic Axle and Pin Connector Perpendicular 3L with 2 Pin Holes Dark Bluish Gray Part 42003 Element 6273715 or 4210857 ×5
  • Technic Beam 1 x 11 Thick Dark Bluish Gray Part 32525 Element 4603472 or 4534914 ×11
  • Technic Beam 1 x 3 Thin Dark Bluish Gray Part 6632 Element 6632199 or 6364452 ×14
  • Technic Beam 1 x 7 Thick Dark Bluish Gray Part 32524 Element 4495931 or 4210752 ×5
  • Technic Beam 3 x 5 L-Shape Thick Dark Bluish Gray Part 32526 Element 4210753 ×15
  • Technic Beam 3 x 5 L-Shape with Quarter Ellipse Thin Dark Bluish Gray Part 32250 Element 32250199 or 6327165 ×8
  • Technic Brick 1 x 2 [1 Pin Hole] Dark Bluish Gray Part 3700 Element 4211111 ×2
  • Technic Gear 24 Tooth [New Style with Single Axle Hole] Dark Bluish Gray Part 3648b Element 6133119 or 4514558 ×1
  • Technic Link 1 x 6 with Stoppers Dark Bluish Gray Part 32005b ×6
  • Technic Pin 3/4 Dark Bluish Gray Part 32002 Element 32002199 or 4211050 1 spare in the box ×4
  • Technic Pin Connector Plate 1 x 2 x 1 2/3 [Two Holes On Top] Dark Bluish Gray Part 32530 Element 4210763 ×4
  • Tile 1 x 6 with Groove Dark Bluish Gray Part 6636 Element 4210651 ×10
  • Tile 2 x 2 with Alpha Team Arctic Blue Rectangle Grid Display Print Dark Bluish Gray Part 3068bpr0108 Element 4514441 or 4225456 ×1
  • Tile Special 1 x 2 Grille with Bottom Groove Dark Bluish Gray Part 2412b Element 4210631 ×22
  • Weapon Gun / Torch (Space) [with Grooves] Dark Bluish Gray Part 3959 Element 4262540 or 4242182 ×2
  • Wedge Plate 4 x 4 with 2 x 2 Cutout Dark Bluish Gray Part 43719 Element 6430611 or 6275402 ×1

Black 210 pieces

  • Brick Special 1 x 2 with Studs on 2 Sides Black Part 52107 Element 4253815 ×4
  • Hinge Brick 2 x 2 Top Plate Thin Black Part 6134 Element 4124096 or 613426 ×3
  • Plate Round 1 x 1 with Solid Stud Black Part 6141 Element 614126 2 spares in the box ×10
  • Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) Black Part 4032a Element 403226 ×6
  • Plate Special 1 x 4 with Towball Black Part 3184 Element 4516020 or 4189102 ×4
  • String with End Studs 11L Overall Black Part 14226c11 Element 6096955 or 6037558 ×1
  • Technic Axle 2 Notched Black Part 32062 Element 4109810 or 3206226 ×43
  • Technic Axle 4 Black Part 3705 Element 370526 ×9
  • Technic Axle 6 Black Part 3706 Element 370626 ×4
  • Technic Axle Connector Double Flexible [Rubber] Black Part 45590 Element 4198367 ×2
  • Technic Axle Connector Smooth [with x Hole + Orientation] Black Part 59443 Element 6084612 or 4512363 ×11
  • Technic Axle and Pin Connector Angled #1 Black Part 32013 Element 6284699 or 4107085 ×1
  • Technic Axle and Pin Connector Perpendicular Double Split Black Part 41678 Element 4162857 ×2
  • Technic Beam 1 x 2 Thick Black Part 43857 Element 4385726 or 4177444 ×4
  • Technic Beam 1 x 4 Thin Black Part 32449 Element 6327548 or 4142236 ×2
  • Technic Beam 3 x 0.5 Liftarm with Boss and Pin / Crank Black Part 33299a Element 4156980 ×6
  • Technic Brick 1 x 2 with Axle Hole Type 2 [X Opening] Black Part 32064b ×2
  • Technic Cam Black Part 6575 Element 4143187 ×2
  • Technic Knob Wheel Black Part 32072 Element 6284188 or 4248204 ×4
  • Technic Pin Connector Perpendicular Long Black Part 32557 Element 4143466 ×4
  • Technic Pin Double Triangle 1 x 3 with 2 Clips Completely Round Pinholes Black Part 47994 Element 4220098 ×2
  • Technic Pin Long with Friction Ridges Lengthwise and Stop Bush [3 Lateral Holes, Big Pin Hole] Black Part 32054 Element 4140801 or 4107742 ×18
  • Technic Pin with Friction Ridges Lengthwise and Center Slots Black Part 2780 Element 4121715 or 278026 1 spare in the box ×61
  • Technic Pin with Friction Ridges Lengthwise and Towball Black Part 6628 Element 4184169 or 662826 ×4
  • Weapon Gun / Blaster Short (Star Wars) Black Part 58247 Element 4498713 ×1

Blue 100 pieces

  • Technic Axle Pin with Friction Ridges Lengthwise Blue Part 43093 Element 4309323 or 4206482 ×40
  • Technic Pin 1/2 without Friction Ridges Blue Part 4274 Element 4143005 2 spares in the box ×37
  • Technic Pin Long with Friction Ridges Lengthwise, 2 Center Slots Blue Part 6558 Element 4514553 ×23

Tan 28 pieces

  • Technic Axle Pin without Friction Ridges Lengthwise Tan Part 3749 Element 4666579 or 4186017 ×12
  • Technic Gear 12 Tooth Bevel Tan Part 6589 Element 4565452 or 4514556 ×5
  • Technic Gear 20 Tooth Double Bevel with Axle Hole Type 2 [X Opening] Tan Part 32269 Element 4514555 ×1
  • Technic Pin Long without Friction Ridges Tan Part 32556 ×10

Red 8 pieces

  • Technic Axle and Pin Connector Perpendicular 3L with Centre Pin Hole Red Part 32184 Element 6276963 or 4128598 ×1
  • Technic Bush Red Part 3713 Element 6271820 or 4227155 1 spare in the box ×6
  • Technic Pin Connector Round [No Slot] Red Part 75535 Element 75854 ×1

Yellow 3 pieces

  • Technic Axle Connector with Axle Hole Yellow Part 32039 Element 4107800 or 3203924 ×3

Chrome Silver 1 piece

  • Weapon Lightsaber Hilt with Bottom Ring Chrome Silver Part 64567 ×1

Trans-Light Blue 1 piece

  • Bar 4L (Lightsaber Blade / Wand) Trans-Light Blue Part 30374 Element 6507882 or 6170187 ×1

Minifigures 4 figures

  • AT-AT Driver, White Uniform, Plain Black Head (30408 Helmet) Minifigure, checked as a whole figure ×1
  • General Maximillian Veers, Dark Bluish Gray Helmet Minifigure, checked as a whole figure ×1
  • Luke Skywalker, Orange Rebel Pilot Outfit, Dark Bluish Gray Hips, Black Eyes Minifigure, checked as a whole figure ×1
  • Snowtrooper, Light Bluish Gray Hips, Plain Black Head, White Hands Minifigure, checked as a whole figure ×1

Tick each piece as you find it, or mark it missing.

When a piece really is missing

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