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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.

The Ultimate Bionicle Set

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8711 The Ultimate Bionicle Set

702 pieces in 94 part and color combinations.

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

Large Buildable Figures 452 pieces

  • Large Figure Mask Kakama Nuva Black Part 43615 Element 4193032 or 4175741 ×1
  • Large Figure Mask Krana Za Black Part 42042h ×1
  • Large Figure Mask Pakari Nuva Black Part 43616 Element 4180278 ×7
  • Large Figure Mask Ruru (Turaga) Black Part 32567 Element 4143550 ×2
  • Large Figure Skeletal, Limb, Angular 90°, 4 x 4 x 2 with 2 Ball Joints, and Axle Hole Black Part 41670 Element 4192716 ×22
  • Large Figure Skeletal, Limb, Angular with 2 Ball Joints, and 2 Holes (Toa) Black Part 32482 Element 4291075 or 4255143 ×5
  • Large Figure Skeletal, Torso, Beam 2 x 4 x 7 Angled Black Part 41665 Element 4162068 ×8
  • Windscreen Bohrok 4 x 5 x 7 Marbled Trans-Clear Pattern Black Part 41671pat0002 Element 4167057 ×1
  • Windscreen Bohrok 4 x 5 x 7 [Plain] Black Part 41671 Element 4587502 or 4163528 ×1
  • Large Figure Mask Holder Krana 3 x 4 Blue Part 41673 Element 4165556 or 4164415 ×12
  • Large Figure Mask Huna (Turaga) Blue Part 32573 Element 4226878 or 4144243 ×1
  • Large Figure Mask Krana Za Blue Part 42042h ×1
  • Large Figure Shield 5 x 5 with Triple Blasters Blue Part 41662 Element 4186386 or 4173695 ×15
  • Large Figure Skeletal, Limb, Angular 90°, 4 x 4 x 2 with 2 Ball Joints, and Axle Hole Blue Part 41670 Element 4289879 or 4256594 ×39
  • Large Figure Weapon, Claw Hook with Axle Blue Part 32551 Element 4143532 ×2
  • Windscreen Bohrok 4 x 5 x 7 Marbled Trans-Clear Pattern Blue Part 41671pat0002 Element 4167076 ×3
  • Large Figure Mask Kakama Brown Part 32568 Element 4143782 ×3
  • Large Figure Mask Pakari Nuva Brown Part 43616 Element 4193030 or 4175723 ×1
  • Large Figure Skeletal, Limb, Angular 90°, 4 x 4 x 2 with 2 Ball Joints, and Axle Hole Brown Part 41670 Element 4192712 ×12
  • Large Figure Skeletal, Torso, Beam 2 x 4 x 7 Angled Brown Part 41665 Element 4162069 ×6
  • Large Figure Mask Holder Krana 3 x 4 Dark Gray Part 41673 Element 4166547 or 4163138 ×1
  • Large Figure Mask Krana Za Dark Gray Part 42042h ×1
  • Large Figure Mask Matatu (Turaga) Dark Gray Part 32570 Element 4158722 ×5
  • Large Figure Mask Krana Za Flat Dark Gold Part 42042h ×6
  • Large Figure Mask Akaku Nuva Green Part 43855 Element 4190157 ×1
  • Large Figure Mask Holder Krana 3 x 4 Green Part 41673 Element 4165555 or 4164417 ×5
  • Large Figure Skeletal, Torso, Beam 2 x 4 x 7 Angled Green Part 41665 Element 4162065 ×7
  • Large Figure Mask Holder Krana 3 x 4 Light Gray Part 41673 Element 4163137 ×23
  • Large Figure Skeletal, Limb, Angular 90°, 4 x 4 x 2 with 2 Ball Joints, and Axle Hole Lime Part 41670 Element 4162080 ×9
  • Large Figure Weapon, Claw, Triple, with Axle Lime Part 32506 Element 4543253 or 4158031 ×2
  • Large Figure Shield 5 x 5 with Dual Round Prongs Medium Blue Part 41663 Element 4172114 ×5
  • Large Figure Skeletal, Limb, Angular 90°, 4 x 4 x 2 with 2 Ball Joints, and Axle Hole Medium Blue Part 41670 Element 4162085 ×11
  • Large Figure Skeletal, Torso, Back, Beam 4 x 4 x 2 (Matoran) Medium Blue Part 44137 Element 4195016 ×4
  • Large Figure Skeletal, Torso, Gear 9 Tooth with 3 Axle Holes and 2 Holes (Matoran) Medium Blue Part 44810 Element 4195024 ×3
  • Large Figure Weapon, Claw Hook with Axle Medium Blue Part 32551 Element 4172115 or 4154962 ×2
  • Large Figure Mask Krana Yo Orange Part 42042g ×1
  • Large Figure Mask Pakari Orange Part 32566 Element 4173537 ×1
  • Large Figure Skeletal, Limb 1 x 3 x 7 Beam with Axle Holes (Bohrok) Orange Part 41672 Element 4173010 ×1
  • Large Figure Back Cover with Groove (Rahkshi) Pearl Brown Part 44140 Element 4215833 or 4194916 ×1
  • Large Figure Mask Miru Nuva Pearl Light Gray Part 43614 Element 4204253 ×1
  • Large Figure Shield 5 x 5 with Dual Round Prongs Pearl Light Gray Part 41663 Element 4531087 or 4199348 ×5
  • Large Figure Shield 5 x 5 with Flames Twin Pearl Light Gray Part 44937 Element 4187586 ×9
  • Large Figure Shield 5 x 5 with Saw Blade Studded Pearl Light Gray Part 45275 Element 4278078 or 4254629 ×9
  • Large Figure Shield 5 x 5 with Saw Blades Circular Pearl Light Gray Part 41660 Element 4296099 or 4192476 ×5
  • Large Figure Shield 5 x 5 with Triple Blasters Pearl Light Gray Part 41662 Element 4186385 or 4173462 ×4
  • Large Figure Weapon 5 x 5 Shield with Wrench Toothed Pearl Light Gray Part 44936 Element 4215461 or 4187585 ×13
  • Large Figure Weapon Blade, Claw, Rahkshi Staff of Power Pearl Light Gray Part 45425 Element 4221558 or 4194988 ×1
  • Large Figure Weapon, Claw / Tooth / Hook 2 x 3 with Axle and Hole Pearl Light Gray Part 42074 Element 4175943 ×23
  • Large Figure Mask Krana Za Pearl Lime Part 42042h ×3
  • Large Figure Back Cover with Groove (Rahkshi) Pearl Red Part 44140 Element 4215830 or 4194912 ×3
  • Large Figure Foot, with Ball Joint Socket 3 x 6 x 2 1/3 Pearl Sand Blue Part 32475 Element 4172051 ×3
  • Large Figure Mask Krana Za Pearl Sand Blue Part 42042h ×9
  • Large Figure Mask Krana Yo Pearl Very Light Gray Part 42042g ×4
  • Large Figure Back Cover with Groove (Rahkshi) Pearl White Part 44140 Element 4215828 or 4194910 ×1
  • Large Figure Mask Krana Za Purple Part 42042h ×1
  • Large Figure Mask Akaku Nuva Red Part 43855 Element 4190152 ×1
  • Large Figure Mask Holder Krana 3 x 4 Red Part 41673 Element 4165550 or 4164418 ×2
  • Large Figure Mask Pakari Nuva Red Part 43616 Element 4190137 ×1
  • Large Figure Shield 5 x 5 with Triple Blasters Red Part 41662 Element 4186387 or 4173942 ×7
  • Large Figure Skeletal, Torso, Beam 2 x 4 x 7 Angled Red Part 41665 Element 4162067 ×10
  • Large Figure Weapon, Claw Hook with Axle Red Part 32551 Element 4153715 ×2
  • Large Figure Mask Krana Yo Reddish Gold Part 42042g ×3
  • Large Figure Mask Akaku Sand Blue Part 32569 Element 4158341 ×3
  • Large Figure Foot, Wedge 3 x 7 x 3 Tan Part 32560 Element 4143544 ×7
  • Large Figure Skeletal, Limb, Angular 90°, 4 x 4 x 2 with 2 Ball Joints, and Axle Hole Tan Part 41670 Element 4162084 ×21
  • Large Figure Skeletal, Torso, Back, Beam 4 x 4 x 2 (Matoran) Tan Part 44137 Element 4190167 ×7
  • Large Figure Skeletal, Torso, Gear 9 Tooth with 3 Axle Holes and 2 Holes (Matoran) Tan Part 44810 Element 4195025 ×6
  • Large Figure Mask Kaukau Trans-Dark Blue Part 32571 Element 4143784 ×3
  • Large Figure Head Connector Block Eye/Brain Stalk Trans-Neon Red Part 32554 Element 4143787 ×14
  • Large Figure Skeletal, Limb, Angular 90°, 4 x 4 x 2 with 2 Ball Joints, and Axle Hole White Part 41670 Element 4192714 ×17
  • Large Figure Skeletal, Torso, Back, Beam 4 x 4 x 2 (Matoran) White Part 44137 Element 4190166 ×5
  • Large Figure Skeletal, Torso, Beam 2 x 4 x 7 Angled White Part 41665 Element 4162066 ×8
  • Large Figure Weapon, Claw, Triple, with Axle White Part 32506 Element 4508432 or 4158028 ×8
  • Large Figure Mask Krana Za Yellow Part 42042h ×1

Technic Special 79 pieces

  • Technic Ball Joint with Silver Eye Print Dark Gray Part 32474pr0001 Element 4183595 ×3
  • Technic Ball Joint Light Gray Part 32474 Element 4154978 ×59
  • Technic Tooth 1 x 3 with Axle Hole [Rounded Underside] Trans-Dark Blue Part 41669 Element 6133516 or 4163569 ×6
  • Technic Tooth 1 x 3 with Axle Hole [Rounded Underside] Trans-Light Blue Part 41669 Element 4254587 or 4163568 ×11

Technic Connectors 73 pieces

  • Technic Pin Connector Perpendicular 2 x 2 Bent Dark Blue Part 44809 Element 4195018 ×7
  • Technic Axle Connector 2 x 3 with Ball Socket, Open Sides Dark Gray Part 32174 Element 4171913 or 4140578 ×5
  • Technic Pin Connector Perpendicular 2 x 2 Bent Dark Gray Part 44809 Element 4199261 ×8
  • Technic Pin Connector Perpendicular 2 x 2 Bent Dark Orange Part 44809 Element 4195020 ×5
  • Technic Axle Connector 2 x 3 with Ball Socket, Open Sides Light Gray Part 32174 Element 4164134 ×9
  • Technic Axle Connector 2 x 3 with Ball Socket, Open Sides Medium Blue Part 32174 Element 4257225 or 4119332 ×10
  • Technic Axle Connector 2 x 3 with Ball Socket, Open Sides Orange Part 32174 Element 4257235 or 4142053 ×3
  • Technic Axle Connector 2 x 3 with Ball Socket, Open Sides Sand Blue Part 32174 Element 4265059 or 4198400 ×7
  • Technic Pin Connector Perpendicular 2 x 2 Bent Sand Blue Part 44809 Element 4198403 ×9
  • Technic Axle Connector 2 x 3 with Ball Socket, Open Sides Tan Part 32174 Element 4119329 ×10

Technic Gears 66 pieces

  • Technic Arm 1 x 7 with 9 Tooth Double Bevel Gear Ends Light Gray Part 41666 Element 4162071 ×45
  • Technic Arm 2 x 5 with 1/4 Gear 8 Tooth Double Bevel Light Gray Part 41667 Element 4162072 ×21

Technic Axles 27 pieces

  • Technic Axle 4 Black Part 3705 Element 370526 ×9
  • Technic Axle 5 Black Part 32073 Element 4114740 ×15
  • Technic Axle 6 Black Part 3706 Element 370626 ×3

Energy Effects 5 pieces

  • Large Figure Weapon Sword, Toa Flame 2 x 12 with Two Holes Red Part 32558 Element 4520004 or 4260041 ×5

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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