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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.

Knuckles' Guardian Mech

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76996 Knuckles' Guardian Mech

269 pieces in 90 part and color combinations, plus 2 minifigures.

The official piece count includes the 7 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 Special 56 pieces

  • Bracket 1 x 2 - 1 x 2 Inverted Black Part 99780 Element 6020193 ×4
  • Bracket 1 x 2 - 1 x 4 [Rounded Corners at Bottom, Square Corners at Top] Black Part 28802 Element 6168620 ×1
  • Bracket 3 x 2 - 2 x 2 [aka Space Seat] Black Part 4598 Element 6021678 or 459826 ×1
  • Plate Special 1 x 2 with Clip Horizontal on Side Black Part 11476 Element 6313116 or 6132731 ×1
  • Plate Special Round 2 x 2 with Center Stud (Jumper Plate) Black Part 18674 Element 6195325 ×1
  • Bracket 1 x 1 - 1 x 2 Inverted Dark Bluish Gray Part 73825 Element 6336390 ×4
  • Bracket 1 x 2 - 1 x 2 Dark Bluish Gray Part 99781 Element 6214341 ×4
  • Plate Special 1 x 2 Side Handle [Free Ends] Dark Bluish Gray Part 2540 Element 4210660 ×1
  • Plate Special 1 x 2 with 5.9mm Centre Side Towball Dark Bluish Gray Part 14417 Element 6414560 or 6338160 ×7
  • Bracket 1 x 1 - 1 x 2 Light Bluish Gray Part 79389 Element 6362975 ×4
  • Bracket 1 x 2 - 1 x 2 Light Bluish Gray Part 99781 Element 4654582 ×1
  • Bracket 1 x 2 - 2 x 2 Inverted Light Bluish Gray Part 99207 Element 4654580 ×2
  • Plate Special 1 x 2 5.9mm Centre Side Towball Socket Light Bluish Gray Part 14704 Element 6414561 or 6338165 ×9
  • Plate Special 1 x 2 with Clips Horizontal [Open O Clips] Red Part 60470b Element 6360036 or 4556153 ×2
  • Plate Special 2 x 2 with Only 2 studs Red Part 33909 Element 6219819 ×2
  • Bracket 1 x 1 - 1 x 1 Inverted White Part 36840 Element 6548290 or 6242241 ×4
  • Plate Special 1 x 1 with Tooth White Part 49668 Element 6601935 or 4224792 ×6
  • Plate Special 1 x 1 with Vertical Tooth White Part 15070 Element 6615559 or 6046905 ×2

Plates 44 pieces

  • Plate 2 x 3 Black Part 3021 Element 302126 ×1
  • Plate 4 x 4 Dark Bluish Gray Part 3031 Element 4243831 or 4211089 ×1
  • Plate 1 x 2 Green Part 3023 Element 302328 ×2
  • Plate 2 x 2 Light Bluish Gray Part 3022 Element 4211397 ×8
  • Plate 1 x 3 Magenta Part 3623 Element 6054864 or 6022048 ×2
  • Plate 2 x 2 Red Part 3022 Element 4613974 or 302221 ×2
  • Plate 2 x 6 Red Part 3795 Element 379521 ×1
  • Plate 1 x 1 White Part 3024 Element 6548262 or 302401 1 spare in the box ×2
  • Plate 1 x 2 White Part 3023 Element 6552100 or 6548261 ×23
  • Plate 2 x 2 White Part 3022 Element 6552099 or 6548260 ×2

Bricks Curved 31 pieces

  • Brick Curved Inverted 2 x 2 x 2/3 Black Part 32803 Element 6211476 ×1
  • Brick Curved Inverted 2 x 2 x 2/3 Light Bluish Gray Part 32803 Element 6185676 ×2
  • Brick Curved 2 x 1 No Studs [1/2 Bow] Red Part 11477 Element 6029946 ×16
  • Brick Curved Inverted 2 x 2 x 2/3 Red Part 32803 Element 6442314 ×6
  • Brick Curved 1 x 2 x 1 1/3 with Curved Top White Part 6091 Element 6285777 or 609101 ×4
  • Brick Curved 2 x 2 x 2/3 White Part 15068 Element 6552147 or 6047220 ×2

Bricks Sloped 18 pieces

  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Black Part 54200 Element 4504382 or 4287159 1 spare in the box ×4
  • Brick Sloped Inverted 33° 3 x 2, Connections between Studs, Ovoid Bottom Pin Black Part 3747b Element 4500458 or 374726 ×1
  • Brick Sloped 45° 2 x 1 with 2/3 Cutout [New Version] Green Part 15672 Element 6226931 ×4
  • Brick Sloped Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes] Green Part 3660 Element 4142717 ×2
  • Brick Sloped 30° 1 x 2 x 2/3 Red Part 85984 Element 4651524 ×1
  • Brick Sloped 45° 2 x 1 with 2/3 Inverted Cutout and no stud Red Part 28192 Element 6275178 ×2
  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) White Part 54200 Element 6550179 or 4504369 1 spare in the box ×4

Plates Wedged 16 pieces

  • Wedge Plate 2 x 4 27° Left Black Part 65429 Element 6295295 ×2
  • Wedge Plate 2 x 4 27° Right Black Part 65426 Element 6295293 ×2
  • Plate Angled 2 x 2 with Step and Hole in Center Red Part 79846 Element 6375427 ×6
  • Wedge Plate 3 x 6 Cut Corners White Part 2419 Element 6552090 or 241901 ×2
  • Wedge Plate 4 x 2 Left Yellow Part 41770 Element 4161331 ×2
  • Wedge Plate 4 x 2 Right Yellow Part 41769 Element 4160868 ×2

Bricks Special 14 pieces

  • Bracket 5 x 2 x 1 1/3 with Holes, Pin Bottom Black Part 11215 Element 6039194 ×1
  • Brick Special 1 x 1 with Headlight Black Part 4070 Element 407026 ×2
  • Brick Special 1 x 2 with 2 Studs on 1 Side Black Part 11211 Element 6138173 ×1
  • Brick Special 1 x 2 Palisade [aka Log] Dark Bluish Gray Part 30136 Element 4211095 ×4
  • Brick Special 1 x 1 with Studs on 2 Adjacent Sides Light Bluish Gray Part 26604 Element 6267495 ×2
  • Brick Special 1 x 2 x 2/3 with Studs on Sides Magenta Part 4595 Element 6681662 or 6322832 ×2
  • Brick Special 2 x 5 with Slope, Studs on Side Red Part 79897 Element 6371695 ×2

Plates Round Curved and Dishes 14 pieces

  • Plate Round 2 x 2 with Rounded Bottom [Boat Stud] Black Part 2654 Element 4617551 or 4278359 ×5
  • Plate Round 4 x 4 with 2 x 2 Round Opening Light Bluish Gray Part 11833 Element 6167798 or 6028015 ×1
  • Plate Round 1 x 1 with Solid Stud Trans-Green Part 6141 Element 6514057 or 6240221 ×4
  • Plate Round 1 x 1 with Open Stud Trans-Light Blue Part 85861 Element 6510163 or 6283590 ×2
  • Plate Round 1 x 1 with Solid Stud Trans-Light Blue Part 6141 Element 6514058 or 6240225 ×2

Tiles Special 13 pieces

  • Tile Special 1 x 2 with Handle Dark Bluish Gray Part 2432 Element 4211039 ×4
  • Tile Special 1 x 2 with Sloped Walls AKA Money / Gold Bar [Ingot] Light Bluish Gray Part 99563 Element 6134378 or 6034045 ×7
  • Tile Special 2 x 3 Pentagonal with 6 Dark Red Circles Print Red Part 22385pr0150 Element 6474306 ×2

Tiles Round and Curved 10 pieces

  • Tile 1 x 1 Heart Bright Pink Part 39739 Element 6495136 or 6275466 1 spare in the box ×2
  • Tile Round 2 x 2 with Bottom Stud Holder White Part 14769 Element 6601846 or 6044691 ×8

Technic Special 9 pieces

  • Technic Ball Joint with Through Axle Hole Black Part 53585 Element 4286267 ×2
  • Technic Brick Special 2 x 2 with Ball Socket Wide and Axle Hole, No Arm Holes Black Part 67696 Element 6360825 ×4
  • Technic Brick Special 2 x 2 with 10.2mm Balls with Holes and Axle Hole Dark Bluish Gray Part 17114 Element 6065816 ×1
  • Technic Brick 1 x 2 with Hole and Dual Beam Extensions Red Part 85943 Element 6371957 or 6271079 ×2

Hinges, Arms and Turntables 6 pieces

  • Hinge Plate 1 x 4 Swivel Top / Base - Hollow Clip [Complete Assembly] Black Part 1927 Element 6672302 or 6416444 ×2
  • Hinge Brick 2 x 2 Top Plate Thin Light Bluish Gray Part 6134 Element 4211881 ×2
  • Hinge Brick 1 x 2 Base White Part 3937 Element 6619287 or 393701 ×2

Technic Pins 6 pieces

  • Technic Pin 1/2 with Friction Dark Bluish Gray Part 89678 Element 6395635 1 spare in the box ×4
  • Technic Pin with Friction Ridges Lengthwise and Towball - Round Pin Hole Red Part 66906 Element 6360104 ×2

Tiles 6 pieces

  • Tile 1 x 2 with Groove Magenta Part 3069b Element 4611415 ×2
  • Tile 1 x 2 with Groove Red Part 3069b Element 4178178 or 306921 ×4

Bricks Wedged 5 pieces

  • Brick Wedged, Curved 4 x 3 No Studs [Plain] Red Part 64225 Element 6215396 or 4651527 ×3
  • Brick Wedged, Sloped 4 x 2 Triple Left Red Part 43710 Element 6431121 or 6293751 ×1
  • Brick Wedged, Sloped 4 x 2 Triple Right Red Part 43711 Element 6431123 or 6293750 ×1

Projectiles / Launchers 4 pieces

  • Launcher Trigger, Weapon Gun Trigger Dark Bluish Gray Part 69755 Element 6360675 1 spare in the box ×2
  • Launcher, Plate Special 1 x 2 with Mini Blaster Square Light Bluish Gray Part 69754 Element 6360382 ×2

Rock 4 pieces

  • Rock, Lower Part Opal Trans-Bright Green Part 80337 Element 6514447 or 6376546 ×1
  • Rock 1 x 1 Jewel / Gem 24 Facet Trans-Green Part 30153 Element 6513970 or 6247788 ×3

Large Buildable Figures 2 pieces

  • Large Figure Shoulder Cover, Armor, Round, Smooth with Bar Red Part 1686 Element 6510978 or 6391203 ×2

Minifig Accessories 2 pieces

  • Equipment Glove (Knuckles Hand) White Part 3513 Element 6431337 ×2

Technic Axles 2 pieces

  • Technic Axle 2 Notched Red Part 32062 Element 4142865 ×2

Technic Bricks 2 pieces

  • Technic Brick Special 1 x 2 with Pin Hole and 1 x 2 Plate Light Bluish Gray Part 73109 Element 6326478 ×2

Transportation - Land 2 pieces

  • Handlebars Dark Bluish Gray Part 30031 Element 4261908 or 4210644 ×2

Minidoll Lower Body 1 piece

  • Minidoll Skirt, Full, Octagonal, No Feet Opal Trans-Bright Green Part 80336 Element 6514444 or 6376539 ×1

Minifig Upper Body 1 piece

  • Arm Mechanical with 2 Clips [Battle Droid] Red Part 30377 Element 6370686 1 spare in the box ×1

Windscreens and Fuselage 1 piece

  • Windscreen 2 x 4 Half Dome Trans-Black Part 81911 Element 6514462 or 6445335 ×1

Minifigures 2 figures

  • Rouge the Bat Minifigure, checked as a whole figure ×1
  • Knuckles, Closed Mouth 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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