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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.

No Limits Challenge Kit

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9761 No Limits Challenge Kit

1,437 pieces in 126 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.

Look-alike colors in this set

These parts appear in this set in two colors that are easy to confuse. If you are one short in one color, check whether it went in where the other color belongs. Each color has its own element ID in the parts list at the back of the instructions.

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Piece checklist

Technic Pins 380 pieces

  • Technic Pin Double with Axle Hole Black Part 32138 Element 4130597 or 4119589 ×3
  • 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 Long with Friction Ridges Lengthwise, 2 Center Slots Black Part 6558 Element 655826 ×71
  • Technic Pin with Friction Ridges Lengthwise and Center Slots Black Part 2780 Element 4121715 or 278026 ×181
  • Technic Axle Pin with Friction Ridges Lengthwise Blue Part 43093 Element 4309323 or 4206482 ×104
  • Technic Pin without Friction Ridges Lengthwise Light Gray Part 3673 Element 4184166 or 367302 ×3

Technic Connectors 340 pieces

  • Technic Axle Connector Ridged [with x Hole x Orientation] Black Part 6538b Element 4113805 or 4107083 ×37
  • Technic Axle and Pin Connector Angled #1 Black Part 32013 Element 6284699 or 4107085 ×29
  • Technic Axle and Pin Connector Angled #2 - 180° Black Part 32034 Element 6271869 or 4107783 ×27
  • Technic Axle and Pin Connector Angled #3 - 157.5° Black Part 32016 Element 6261386 or 4107082 ×6
  • Technic Axle and Pin Connector Angled #4 - 135° Black Part 32192 Element 6262897 or 4121610 ×1
  • 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 ×36
  • Technic Axle and Pin Connector Perpendicular Black Part 6536 Element 6261371 or 4173668 ×8
  • Technic Axle and Pin Connector Perpendicular 3L with 2 Pin Holes Black Part 42003 Element 6273708 or 4200326 ×5
  • Technic Axle and Pin Connector Perpendicular 3L with Centre Pin Hole Black Part 32184 Element 6276951 or 4121667 ×2
  • Technic Axle and Pin Connector Perpendicular Double Black Part 32291 Element 6280394 or 4140430 ×9
  • Technic Pin Connector Round [No Slot] Black Part 75535 Element 75619 ×34
  • Technic Axle Connector Ridged [with x Hole x Orientation] Orange Part 6538b Element 4252469 or 4140324 ×4
  • Technic Axle Connector with Axle Hole Orange Part 32039 Element 4252466 or 4144294 ×8
  • Technic Axle and Pin Connector Angled #1 Orange Part 32013 Element 6332584 or 6135091 ×26
  • Technic Axle and Pin Connector Angled #3 - 157.5° Orange Part 32016 Element 6366185 or 6251180 ×38
  • Technic Axle and Pin Connector Angled #6 - 90° Orange Part 32014 Element 6390383 or 4163609 ×4
  • Technic Axle and Pin Connector Perpendicular Orange Part 6536 Element 6261377 or 6135088 ×12
  • Technic Axle and Pin Connector Perpendicular 3L with Centre Pin Hole Orange Part 32184 Element 6390382 or 4249017 ×18
  • Technic Axle Connector Ridged [with x Hole x Orientation] Pearl Light Gray Part 6538b Element 4177445 or 4177258 ×4
  • Technic Axle and Pin Connector Angled #2 - 180° Pearl Light Gray Part 32034 Element 4192332 ×2
  • Technic Axle and Pin Connector Angled #3 - 157.5° Pearl Light Gray Part 32016 Element 4227483 ×4
  • Technic Axle and Pin Connector Angled #4 - 135° Pearl Light Gray Part 32192 Element 4169489 ×4
  • Technic Axle and Pin Connector Perpendicular Double Pearl Light Gray Part 32291 Element 4177432 ×5
  • Technic Axle and Pin Connector Angled #2 - 180° White Part 32034 Element 6271870 or 4125554 ×1
  • Technic Axle and Pin Connector Angled #4 - 135° White Part 32192 Element 6262904 or 6137758 ×8
  • Technic Axle and Pin Connector Angled #6 - 90° White Part 32014 Element 6450588 or 6268926 ×4

Technic Axles 185 pieces

  • Technic Axle 10 Black Part 3737 Element 373726 ×5
  • Technic Axle 12 Black Part 3708 Element 370826 ×8
  • Technic Axle 2 Notched Black Part 32062 Element 4109810 or 3206226 ×88
  • Technic Axle 4 Black Part 3705 Element 370526 ×33
  • Technic Axle 3 with Stud Dark Gray Part 6587 Element 4113884 or 658727 ×4
  • Technic Axle 3 Light Gray Part 4519 Element 4186007 ×27
  • Technic Axle 5 Light Gray Part 32073 Element 4141482 ×18
  • Technic Axle 7 Light Gray Part 44294 Element 4183835 ×2

Technic Beams 96 pieces

  • Technic Beam 1 x 11 Thick Black Part 32525 Element 6029578 or 4534909 ×2
  • Technic Beam 1 x 15 Thick Black Part 32278 Element 4542573 or 4128603 ×4
  • Technic Beam 1 x 2 Thick Black Part 43857 Element 4385726 or 4177444 ×7
  • Technic Beam 1 x 3 Thick Black Part 32523 Element 4142822 or 3252326 ×3
  • Technic Beam 1 x 3 Thin Black Part 6632 Element 6331723 or 4107828 ×2
  • Technic Beam 1 x 4 Thin with Stud Connector Black Part 2825 Element 6331570 or 4107136 ×1
  • Technic Beam 1 x 5 Thick Black Part 32316 Element 4142135 or 4140429 ×2
  • Technic Beam 1 x 7 Thick Black Part 32524 Element 4495935 or 4155458 ×20
  • Technic Beam 1 x 9 Thick Black Part 40490 Element 4645732 or 4542788 ×10
  • Technic Beam 2 x 4 L-Shape Thick Black Part 32140 Element 6271825 or 4120017 ×4
  • Technic Beam 3 x 5 L-Shape Thick Black Part 32526 Element 4142823 or 3252626 ×4
  • Technic Beam 1 x 15 Thick Pearl Light Gray Part 32278 Element 4200922 ×4
  • Technic Beam 1 x 3 Thin Pearl Light Gray Part 6632 Element 4287625 or 4169492 ×8
  • Technic Beam 2 x 4 L-Shape Thick Pearl Light Gray Part 32140 Element 4192335 ×4
  • Technic Beam 1 x 5 Thick Red Part 32316 Element 4142132 or 4128589 ×6
  • Technic Beam 1 x 5 Thick White Part 32316 Element 4249021 or 4140465 ×4
  • Technic Beam 1 x 7 Thick White Part 32524 Element 6564912 or 6318056 ×6
  • Technic Beam 1 x 9 Thick White Part 40490 Element 6001831 or 4156341 ×3
  • Technic Beam 2 x 4 L-Shape Thick White Part 32140 Element 6271824 or 4118980 ×2

Plates 91 pieces

  • Plate 2 x 2 Black Part 3022 Element 302226 ×6
  • Plate 2 x 2 Light Gray Part 3022 Element 302202 ×31
  • Plate 4 x 12 Red Part 3029 Element 4514717 or 302921 ×4
  • Plate 6 x 12 Red Part 3028 Element 4617409 or 4288289 ×12
  • Plate 1 x 10 Tan Part 4477 Element 4143409 or 447705 ×8
  • Plate 1 x 4 Tan Part 3710 Element 4113233 or 371005 ×8
  • Plate 1 x 8 Tan Part 3460 Element 4114324 or 346005 ×8
  • Plate 2 x 10 Tan Part 3832 Element 4249019 or 4248731 ×4
  • Plate 2 x 12 Tan Part 2445 Element 6093864 or 4526771 ×2
  • Plate 2 x 2 Tan Part 3022 Element 4114084 or 302205 ×7
  • Plate 8 x 8 Tan Part 41539 Element 4624223 or 4502811 ×1

Technic Bricks 86 pieces

  • Technic Brick 1 x 12 [11 Pin Holes] Black Part 3895 Element 389526 ×6
  • Technic Brick 1 x 16 [15 Pin Holes] Black Part 3703 Element 370326 ×18
  • Technic Brick 1 x 2 [1 Pin Hole] Black Part 3700 Element 370026 ×8
  • Technic Brick 1 x 2 with Axle Hole Type 2 [X Opening] Black Part 32064b ×4
  • Technic Brick 1 x 6 [5 Pin Holes] Black Part 3894 Element 389426 ×4
  • Technic Brick 1 x 8 [7 Pin Holes] Black Part 3702 Element 370226 ×10
  • Technic Brick 1 x 1 with Pin Hole Tan Part 6541 Element 4179771 or 654105 ×6
  • Technic Brick 1 x 2 [1 Pin Hole] Tan Part 3700 Element 4205107 or 370005 ×30

Tubes and Hoses 76 pieces

  • Hose, Ribbed 7mm D. 10L / 8.0cm Black Part 78c10 Element 4523639 or 4287632 ×4
  • Hose, Ribbed 7mm D. 14L / 11.2cm Black Part 78c14 Element 6143035 or 4275297 ×4
  • Hose, Ribbed 7mm D. 3L / 2.4cm Black Part 78c03 Element 6439887 or 6357746 ×10
  • Hose, Ribbed 7mm D. 9L / 7.2cm Black Part 78c09 Element 6443871 or 6420612 ×6
  • Hose, Ribbed 7mm D. 4L / 3.2cm Pearl Light Gray Part 78c04 Element 4495200 or 4275389 ×4
  • Hose, Ribbed 7mm D. 5L / 4.0cm Pearl Light Gray Part 78c05 Element 4495201 or 4275382 ×4
  • Hose, Ribbed 7mm D. 9L / 7.2cm Pearl Light Gray Part 78c09 Element 4495206 or 4141671 ×2
  • Hose, Ribbed 7mm D. 3L / 2.4cm Trans-Light Blue Part 78c03 Element 4252589 ×16
  • Hose, Ribbed 7mm D. 6L / 4.8cm Trans-Light Blue Part 78c06 Element 4275398 or 4221887 ×16
  • Hose, Ribbed 7mm D. 9L / 7.2cm Trans-Light Blue Part 78c09 Element 4252591 ×10

Bricks 50 pieces

  • Brick 1 x 2 Black Part 3004 Element 300426 ×6
  • Brick 2 x 2 Black Part 3003 Element 4103587 or 300326 ×7
  • Brick 2 x 8 Black Part 3007 Element 6037390 or 300726 ×6
  • Brick 1 x 10 Tan Part 6111 Element 4166138 or 611105 ×8
  • Brick 1 x 2 Tan Part 3004 Element 4109995 or 300405 ×7
  • Brick 2 x 10 Tan Part 3006 Element 6294678 or 4615599 ×2
  • Brick 2 x 2 Tan Part 3003 Element 4114306 or 300305 ×6
  • Brick 2 x 2 x 3 Tan Part 30145 Element 6100085 or 4125265 ×8

Technic Bushes 41 pieces

  • Technic Bush Black Part 3713 Element 6332148 or 6210506 ×1
  • Technic Bush Light Gray Part 3713 Element 4125313 or 659002 ×4
  • Technic Bush 1/2 Smooth with Axle Hole Reduced Light Gray Part 32123a ×4
  • Technic Bush Orange Part 3713 Element 4252470 ×28
  • Technic Bush White Part 3713 Element 4207525 or 4198121 ×4

Plates Special 32 pieces

  • Plate Special 2 x 2 with 1 Pin Hole [Split Underside Ribs] Black Part 2444 Element 244426 ×8
  • Technic Plate 2 x 4 [3 Holes] Light Gray Part 3709 Element 370902 ×9
  • Technic Plate 2 x 8 [7 Holes] Light Gray Part 3738 Element 373802 ×15

Bricks Round and Cones 30 pieces

  • Brick Round 2 x 2 with Axle Hole Black Part 3941 Element 614376 or 614326 ×6
  • Brick Round 4 x 4 with 4 Side Pin Holes and Center Axle Hole Black Part 6222 Element 6533083 or 4290056 ×1
  • Cone 2 x 2 x 2, Open Stud Black Part 3942c Element 6092664 or 6022160 ×1
  • Brick Round 2 x 2 with Axle Hole Green Part 3941 Element 4251378 or 4239200 ×3
  • Brick Round 2 x 2 with Axle Hole Orange Part 3941 Element 4141089 Also in Trans-Neon Orange ×3
  • Cone 1 x 1 [No Top Groove] Orange Part 4589 Element 4513993 or 4188454 ×4
  • Brick Round 2 x 2 with Axle Hole Trans-Dark Blue Part 3941 Element 4101741 or 611643 ×3
  • Brick Round 2 x 2 with Axle Hole Trans-Neon Orange Part 3941 Element 6273156 or 611647 Also in Orange ×3
  • Brick Round 2 x 2 with Axle Hole Trans-Yellow Part 3941 Element 6514285 or 6273155 Also in Yellow ×3
  • Brick Round 2 x 2 with Axle Hole Yellow Part 3941 Element 614324 or 394124 Also in Trans-Yellow ×3

Plates Round Curved and Dishes 13 pieces

  • Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) Black Part 4032a Element 403226 ×1
  • Plate Round Corner 4 x 4 Tan Part 30565 Element 4570516 or 4295315 ×8
  • Plate Round Corner 6 x 6 Tan Part 6003 Element 6056484 or 4288370 ×4

Technic Special 8 pieces

  • Ball, Hard Plastic, 51mm (approx. 6 studs diameter) Blue Part 41250 Element 4100758 ×4
  • Ball, Hard Plastic, 51mm (approx. 6 studs diameter) Red Part 41250 Element 4156530 ×4

Tiles 4 pieces

  • Tile 2 x 2 with Groove Black Part 3068b Element 306826 ×4

Containers 2 pieces

  • Pod, Bottom Cap 9 x 9 x 1 X-Pod Red Part 47676 Element 4218542 ×1
  • Pod, Center Barrel Section 10 x 10 x 3 1/3 X-Pod Trans-Clear Part 47674 Element 4218533 ×1

Duplo, Quatro and Primo 2 pieces

  • Duplo Animal Dog with Black Spots Print (Spot) Dark Orange Part 31101pr0001 Element 4169110 ×1
  • Duplo Animal Cat with White Stripes and Paws Print Light Gray Part 31102pr0001 Element 4114702 ×1

Gear Parts 1 piece

  • CD-Rom, for 9761 (FLL 2004 - No Limits) [No Color/Any Color] Part 4251753 ×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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