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.
LEGO's request form asks for the set number (8983) and each piece's element ID, both listed above.
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Clear every mark for this set?
Piece checklist
Large Buildable Figures
24 pieces
Large Figure Skeletal, Limb, with 2 Ball Joints, and Hole (Toa Metru)BlackPart 47311Element 4278747 or 4218526×1
Large Figure Skeletal, Torso, Upper, with 2 Ball Joints (Toa Inika)BlackPart 53545Element 4292590×1
Large Figure Weapon Spiked Ball, Thornax Fruit with Black BandPearl GoldPart 64277c01Element 4546585×1
Large Figure Weapon Blade (Hewkii Mahri / Solek)Pearl Light GrayPart 57543Element 4505635 or 4504970×1
Large Figure Weapon Blade, Aqua Warblade (Hewkii Mahri)Pearl Light GrayPart 57527Element 4504534×1
Large Figure Chest Cover (Toa Metru)TanPart 49423Element 4540135×1
Large Figure Foot, Claw, PirakaTanPart 53562Element 4552734 or 4541818×2
Large Figure Foot, with Ball Joint Socket with Flat Top 3 x 6 x 2 1/3TanPart 62386Element 4542783×1
Large Figure Hand, Fist with Axle Hole, 3 FingersTanPart 64251Element 4540976×2
Large Figure Mask VoroxTanPart 64261Element 4537502×1
Large Figure Shoulder Cover, Armour, Vorox with Marbled Reddish Brown PatternTanPart 64272pat0001Element 4537511×4
Large Figure Skeletal, Limb, Angular with Ball Joint and Ball Socket (Av-Matoran)TanPart 60896Element 4541810×1
Large Figure Skeletal, Limb, with 2 Ball Joints (Toa Metru)TanPart 47297Element 4540137×5
Large Figure Skeletal, Torso with Beam, 2 Ball Joints, and 7 Tooth Half GearTanPart 47306Element 4540984×1
Large Figure Head Connector Block (Glatorian)Trans-Neon OrangePart 64262Element 4543426 or 4540702×1
Technic Pins
11 pieces
Technic Pin with Friction Ridges Lengthwise and Center SlotsBlackPart 2780Element 4121715 or 2780261 spare in the box×3
Technic Axle Pin with Friction Ridges LengthwiseBluePart 43093Element 4309323 or 4206482×2
Technic Pin Long with Friction Ridges Lengthwise, 2 Center SlotsBluePart 6558Element 4514553×6
Technic Connectors
9 pieces
Technic Axle Connector 2 x 3 with Ball Socket, Closed Sides, Squared EndsBlackPart 60176Element 4519244×4
Technic Axle and Pin Connector 2 x 7 with Two Ball Joint Sockets [Squared Ends]BlackPart 61054Element 4519224×4
Technic Axle and Pin Connector Perpendicular 3L with 2 Pin HolesRedPart 42003Element 6273712 or 4175442×1
Technic Axles
4 pieces
Technic Axle 5.5 with Stop [Rounded Short End]Dark Bluish GrayPart 59426Element 4508553×1
Launcher, Large Figure Weapon, Zamor Sphere Launcher, with Hole and Axle HolePearl Light GrayPart 64275Element 4546416×2
Technic Gears
1 piece
Technic Tread Sprocket Wheel Small with Glatorian Game PrintPearl Light GrayPart 57520pr0001Element 4646781 or 4544529×1
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.
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.