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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.

CyberMaster

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8483 CyberMaster

894 pieces in 143 part and color combinations, plus 1 minifigure.

The piece count includes the 3 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

Black 549 pieces

  • Antenna (RC Receiver) with Yellow Tip Black Part 71845 Element 4182469 or 4116831 ×4
  • Brick Sloped 45° 2 x 2 Black Part 3039 Element 303926 ×1
  • Brick Sloped 45° 2 x 2 Double Convex Black Part 3045 Element 4189064 or 304526 ×2
  • Brick Sloped Inverted 45° 2 x 1 Black Part 3665 Element 366526 ×2
  • Container, Bin, Forklift Load [Complete Assembly] [Cybermaster] Black Part 32094 Element 4113061 ×2
  • Gearbox 4 x 4 x 1 2/3 with 1 x 2 Cutouts, Pin Holes Black Part 6585 Element 6169982 or 4500902 ×1
  • Hose Rigid 3mm D. 10L / 8.0cm Black Part 75c10 Element 4505034 or 4116941 ×2
  • Hose, Ribbed 7mm D. 11L / 8.8cm Black Part 78c11 Element 4112864 ×4
  • Hose, Ribbed 7mm D. 18L / 14.4cm Black Part 78c18 Element 4113010 ×2
  • Hose, Ribbed 7mm D. 4L / 3.2cm Black Part 78c04 Element 4506910 or 4282813 ×2
  • Hose, Ribbed 7mm D. 7L / 5.6cm Black Part 78c07 Element 4112863 ×4
  • Hose, Ribbed 7mm D. 9L / 7.2cm Black Part 78c09 Element 6443871 or 6420612 ×2
  • Plate 1 x 1 Black Part 3024 Element 302426 ×4
  • Plate 1 x 2 Black Part 3023 Element 302326 ×3
  • Plate 1 x 3 Black Part 3623 Element 362326 ×2
  • Plate 1 x 4 Black Part 3710 Element 371026 ×6
  • Plate 1 x 6 Black Part 3666 Element 366626 ×4
  • Plate 1 x 8 Black Part 3460 Element 346026 ×2
  • Plate 2 x 2 Black Part 3022 Element 302226 ×3
  • Plate 2 x 2 Corner Black Part 2420 Element 242026 ×8
  • Plate 2 x 3 Black Part 3021 Element 302126 ×1
  • Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) Black Part 4032a Element 403226 ×1
  • Plate Round 2 x 2 with Rounded Bottom [Boat Stud] Black Part 2654 Element 4617551 or 4278359 ×1
  • Plate Special 1 x 2 with Door Rail Black Part 32028 Element 4107761 ×4
  • Plate Special 2 x 2 with 2 Pin Holes Black Part 2817 Element 281726 ×4
  • Rubber Band Medium (Square Cross Section) Thin Cut Black Part 70012 Element 70012 ×5
  • Technic Axle 10 Black Part 3737 Element 373726 ×6
  • Technic Axle 12 Black Part 3708 Element 370826 ×3
  • Technic Axle 2 Notched Black Part 32062 Element 4109810 or 3206226 ×47
  • Technic Axle 3 Black Part 4519 Element 6238084 or 451926 ×15
  • Technic Axle 4 Black Part 3705 Element 370526 ×32
  • Technic Axle 5 Black Part 32073 Element 4114740 ×6
  • Technic Axle 6 Black Part 3706 Element 370626 ×13
  • Technic Axle 8 Black Part 3707 Element 370726 ×6
  • Technic Axle Connector with Axle Hole Black Part 32039 Element 4107081 or 3203926 ×23
  • Technic Axle and Pin Connector Angled #1 Black Part 32013 Element 6284699 or 4107085 ×18
  • Technic Axle and Pin Connector Angled #2 - 180° Black Part 32034 Element 6271869 or 4107783 ×3
  • Technic Axle and Pin Connector Angled #3 - 157.5° Black Part 32016 Element 6261386 or 4107082 ×9
  • Technic Axle and Pin Connector Angled #5 - 112.5° Black Part 32015 Element 6271346 or 4107084 ×4
  • Technic Axle and Pin Connector Angled #6 - 90° Black Part 32014 Element 6268905 or 4107767 ×4
  • Technic Axle and Pin Connector Perpendicular Black Part 6536 Element 6261371 or 4173668 ×25
  • Technic Axle and Pin Connector Perpendicular 3L with Pin Hole Black Part 32068 Element 6273318 or 4114670 ×4
  • Technic Beam 1 x 11.5 Double Bent Thick Black Part 32009 Element 6271152 or 4111998 ×4
  • Technic Beam 1 x 3 Thin Black Part 6632 Element 6331723 or 4107828 ×22
  • Technic Beam 1 x 4 Thin with Stud Connector Black Part 2825 Element 6331570 or 4107136 ×6
  • Technic Beam 1 x 5 Thin Black Part 32017 Element 6114935 or 4503423 ×10
  • Technic Beam 1 x 6 Thin Black Part 32063 Element 6163980 or 4114634 ×2
  • Technic Beam 1 x 7 Thin Black Part 32065 Element 6271573 or 6253293 ×2
  • Technic Beam 1 x 9 Bent (6 - 4) Thick Black Part 6629 Element 6279881 or 4119800 ×12
  • Technic Beam 3 x 3 L-Shape Thin Black Part 32056 Element 6271810 or 4112287 ×8
  • Technic Beam Triangle Thin [Type I] Black Part 2905 Element 4142543 or 290526 ×2
  • Technic Brick 1 x 1 with Pin Hole Black Part 6541 Element 654126 ×4
  • Technic Brick 1 x 10 [9 Pin Holes] Black Part 2730 Element 273026 ×2
  • Technic Brick 1 x 12 [11 Pin Holes] Black Part 3895 Element 389526 ×2
  • Technic Brick 1 x 16 [15 Pin Holes] Black Part 3703 Element 370326 ×1
  • Technic Brick 1 x 2 [1 Pin Hole] Black Part 3700 Element 370026 ×11
  • Technic Brick 1 x 4 [3 Pin Holes] Black Part 3701 Element 370126 ×4
  • Technic Brick 1 x 6 [5 Pin Holes] Black Part 3894 Element 389426 ×10
  • Technic Brick 1 x 8 [7 Pin Holes] Black Part 3702 Element 370226 ×2
  • Technic Flex Cable End - Ball Connection with Cage Black Part 6644 Element 664426 ×2
  • Technic Pin Connector Round [No Slot] Black Part 75535 Element 75619 ×10
  • Technic Pin Long with Friction Ridges Lengthwise and Stop Bush [3 Lateral Holes, Big Pin Hole] Black Part 32054 Element 4140801 or 4107742 ×4
  • Technic Pin Long with Friction Ridges Lengthwise, 2 Center Slots Black Part 6558 Element 655826 ×37
  • Technic Pin with Friction Ridges Lengthwise and Center Slots Black Part 2780 Element 4121715 or 278026 ×61
  • Technic Pin with Friction Ridges Lengthwise and Towball Black Part 6628 Element 4184169 or 662826 ×2
  • 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 ×1
  • Technic Plate 2 x 8 [7 Holes] Black Part 3738 Element 373826 ×4
  • Technic Tread Frame 5-point Black Part 32090 Element 4112294 ×4
  • Tile 1 x 4 with Groove Black Part 2431 Element 243126 ×2
  • Tile 2 x 2 with Groove Black Part 3068b Element 306826 ×1
  • Tread Technic Large, 16 studs D. x 2 studs W. (CyberMaster) Black Part 71735 Element 4111970 ×2
  • Tyre 14 x 9 Smooth Small Wide Slick Black Part 30028 Element 4508215 or 3002826 ×6
  • Tyre 49.6 x 28 VR Black Part 6594 Element 75778 ×4
  • Tyre Offset Tread 24 x 8 Black Part 3483 Element 4501048 or 348326 ×1
  • Wedge Plate 3 x 3 Cut Corner Black Part 2450 Element 4227684 or 245026 ×6
  • Wire with Brick 2 x 2 x 2/3 Pair, 20L Black Part 5306bc020 Element 4100355 ×1
  • Wire with Brick 2 x 2 x 2/3 Pair, 26L Black Part 5306bc026 Element 4112989 ×1

Light Gray 150 pieces

  • Cable, Serial, for IR Transmitter Tower Light Gray Part 71793 Element 4119830 ×1
  • Electric Connector, Serial 9 Pin Male to 25 Pin Female Adapter Light Gray Part 72642 Element 4118880 ×1
  • Motor, 9V Mini [Old Style] Light Gray Part 71427c01 Element 4107786 ×1
  • Technic Axle 1.5 with Perpendicular Axle Connector (Technic Pole Reverser Handle) Light Gray Part 6553 Element 655302 ×2
  • Technic Axle Connector with Axle Hole Light Gray Part 32039 Element 4106469 ×10
  • Technic Axle Pin without Friction Ridges Lengthwise Light Gray Part 3749 Element 4184168 or 4154179 ×40
  • Technic Axle Towball Light Gray Part 2736 Element 273602 ×2
  • Technic Axle and Pin Connector Angled #3 - 157.5° Light Gray Part 32016 Element 4106379 ×6
  • Technic Axle and Pin Connector Perpendicular Light Gray Part 6536 Element 4173667 or 653602 ×4
  • Technic Axle and Pin Connector Toggle Joint Smooth Light Gray Part 32126 Element 4112931 ×6
  • Technic Bush Light Gray Part 3713 Element 4125313 or 659002 ×27
  • Technic Bush 1/2 Smooth with Axle Hole Reduced Light Gray Part 32123a ×15
  • Technic Engine Crankshaft Light Gray Part 2853 Element 4119475 or 285302 ×2
  • Technic Flex Cable 4L Light Gray Part flex08c04 ×2
  • Technic Gear 12 Tooth Bevel Light Gray Part 6589 Element 658902 ×6
  • Technic Gear 16 Tooth with Round Holes [Old Style] Light Gray Part 4019 Element 4107176 or 401902 ×4
  • Technic Gear 24 Tooth [Old Style - Three axle holes] Light Gray Part 3648a ×3
  • Technic Gear 8 Tooth Light Gray Part 3647 Element 364702 ×5
  • Technic Gear Rack 1 x 10 with Holes Light Gray Part 6592 Element 4189330 or 659202 ×1
  • Technic Pin 1/2 without Friction Ridges Light Gray Part 4274 Element 427402 ×5
  • Technic Pin without Friction Ridges Lengthwise Light Gray Part 3673 Element 4184166 or 367302 ×7

Dark Turquoise 111 pieces

  • Hose, Ribbed 7mm D. 4L / 3.2cm Dark Turquoise Part 78c04 Element 4111954 ×2
  • Hose, Ribbed 7mm D. 7L / 5.6cm Dark Turquoise Part 78c07 Element 4114394 ×2
  • Hose, Ribbed 7mm D. 8L / 6.4cm Dark Turquoise Part 78c08 Element 4111953 ×3
  • Hub, Cybermaster Unit Dark Turquoise Part 71797 Element 4124865 or 4124206 ×1
  • RF Tower, Cybermaster Dark Turquoise Part 71846 Element 4124207 or 4113060 ×1
  • Technic Axle Connector Ridged [with x Hole x Orientation] Dark Turquoise Part 6538b Element 4112932 ×6
  • Technic Axle and Pin Connector Perpendicular 3L with Pin Hole Dark Turquoise Part 32068 Element 4112291 ×3
  • Technic Beam 1 x 11.5 Double Bent Thick Dark Turquoise Part 32009 Element 4114012 or 4112276 ×4
  • Technic Beam 1 x 3 Thin Dark Turquoise Part 6632 Element 6481482 or 4111952 ×18
  • Technic Beam 1 x 4 Thin with Stud Connector Dark Turquoise Part 2825 Element 4112984 ×4
  • Technic Beam 1 x 5 Thin Dark Turquoise Part 32017 Element 6584244 or 4114293 ×20
  • Technic Beam 1 x 6 Thin Dark Turquoise Part 32063 Element 4112299 ×2
  • Technic Beam 1 x 7 Thin Dark Turquoise Part 32065 Element 4114202 ×2
  • Technic Beam 1 x 9 Bent (6 - 4) Thick Dark Turquoise Part 6629 Element 4114291 or 4112285 ×14
  • Technic Beam 3 x 3 L-Shape Thin Dark Turquoise Part 32056 Element 4112288 ×4
  • Technic Brick 1 x 2 with Axle Hole Type 1 [+ Opening] and Bottom Ridges Dark Turquoise Part 32064c ×6
  • Technic Pin Connector Round [No Slot] Dark Turquoise Part 75535 Element 4114286 ×13
  • Technic Slope Long 1 x 6 with 3 Pin Holes Dark Turquoise Part 2744 Element 4112298 ×2
  • Technic Steering Arm with 2 Pins Dark Turquoise Part 32069 Element 4112292 ×2
  • Tile Special 1 x 2 Grille with Bottom Groove Dark Turquoise Part 2412b Element 4112297 ×2

Yellow 40 pieces

  • Plate 2 x 4 with Electric Contacts Yellow Part 4757 Element 4112296 or 4112295 ×1
  • Projectile, Technic Competition Arrow, Beam Shaft with Solid Black Rubber End Yellow Part 76110c01 Element 4114419 ×1
  • Technic Axle and Pin Connector Perpendicular Yellow Part 6536 Element 6261367 or 4173666 ×2
  • Technic Beam 1 x 5 Thin Yellow Part 32017 Element 4503425 or 4199343 ×2
  • Technic Beam 1 x 7 Thin Yellow Part 32065 Element 4114672 ×6
  • Technic Beam 1 x 9 Bent (6 - 4) Thick Yellow Part 6629 Element 6524459 or 6375945 ×2
  • Technic Beam 3 x 3 L-Shape Thin Yellow Part 32056 Element 6271812 or 4112289 ×2
  • Technic Pin Connector Round [No Slot] Yellow Part 75535 Element 75644 ×4
  • Technic Tread Sprocket Wheel Dual Thin Yellow Part 32089 Element 4112293 ×10
  • Wheel 49.6 x 28 VR (36.8 x 26) with Axle Hole Yellow Part 6595 Element 4496710 or 4199342 ×4
  • Wheel with Split Axle hole Yellow Part 3482 Element 348224 ×1
  • Wire with Brick 2 x 2 x 2/3 Pair, 20L Yellow Part 5306bc020 Element 4112987 ×3
  • Wire with Brick 2 x 2 x 2/3 Pair, 26L Yellow Part 5306bc026 Element 4112988 ×2

Dark Gray 34 pieces

  • Technic Axle 3 with Stud Dark Gray Part 6587 Element 4113884 or 658727 ×4
  • Technic Flex Cable End with Pin Connection Dark Gray Part 6643 Element 664327 ×2
  • Technic Link 1 x 6 without Stoppers Dark Gray Part 32005a Element 273927 ×2
  • Technic Pin 3/4 Dark Gray Part 32002 Element 4109854 ×26

White 5 pieces

  • Technic Disc 3 x 3 White Part 2723 Element 6564906 or 6296187 ×4
  • Technic Gear 24 Tooth Clutch with Dark Gray or Light Gray Center White Part 76019 Element 4270486 ×1

Trans-Light Blue 3 pieces

  • Sensor, Touch with Red Contact Trans-Light Blue Part 879c02 Element 4112993 ×1
  • Sensor, Touch with White Contact Trans-Light Blue Part 879c03 Element 4112994 ×1
  • Sensor, Touch with Yellow Contact Trans-Light Blue Part 879c04 Element 4112995 ×1

[No Color/Any Color] 2 pieces

  • CD-Rom, Set 8483 (926.957-D) [No Color/Any Color] Part 926957 ×1
  • Storage Case, Technic Cybermaster [No Color/Any Color] Part upn0057 ×1

Minifigures 1 figure

  • Technic Figure Black/Light Gray Legs, Dark Turquoise Torso with Yellow, Black, Silver Print, Light Gray Mechanical Left Arm - Dark Turquoise Helmet 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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