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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.

McLaren MCL39 F1 Car

Checking

42228 McLaren MCL39 F1 Car

1,675 pieces in 265 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.

3 more look-alike pairs
  • Technic Beam 1 x 7 Thick with Alternating Holes Black ×2 Dark Bluish Gray ×2 Black is darker than Dark Bluish Gray.
  • Technic Beam 2 x 4 L-Shape Thick Black ×14 Dark Bluish Gray ×15 Black is darker than Dark Bluish Gray.
  • Technic Pin Connector Round 1L [Beam] Black ×27 Dark Bluish Gray ×9 Black is darker than Dark Bluish Gray.
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Piece checklist

Black 760 pieces

  • Axle Hose, Soft 19L Black Part 32235 Element 6139205 or 4121650 ×2
  • Bar 3L Black Part 87994 Element 6185316 or 6093525 1 spare in the box ×2
  • Brick Curved 10 x 1 [Symmetric Inside Ridges] Black Part 13731 Element 6037664 ×2
  • Brick Curved 2 x 1 No Studs [1/2 Bow] Black Part 11477 Element 6047276 ×3
  • Brick Curved 8 x 2 No Studs Black Part 42918 Element 6296083 ×2
  • Brick Round 1 x 1 diameter Tube with 90 Degree Elbow (2 x 2 x 1) and Axle Holes (Crossholes) at each end Black Part 25214 Element 6179182 ×8
  • Brick Round 2 x 2 with Axle Hole Black Part 3941 Element 614376 or 614326 ×3
  • Dome 1 x 1 x 2/3 Black Part 6908 Element 6560654 1 spare in the box ×1
  • Equipment Hose Nozzle / Gun with Side String Hole Simplified Black Part 60849 Element 6641462 or 4537551 1 spare in the box ×1
  • Hinge Cylinder 1 x 2 Locking with 1 Finger and Axle Hole On Ends [No Side Slots] Black Part 53923 Element 6265699 ×2
  • Hinge Plate 1 x 2 Locking with 2 Fingers On End, without Groove, 7 Teeth Black Part 54657 Element 6267045 ×2
  • Plate 1 x 2 Black Part 3023 Element 302326 Also in Dark Bluish Gray ×2
  • Plate 1 x 3 Black Part 3623 Element 362326 ×4
  • Plate 1 x 4 Black Part 3710 Element 371026 ×2
  • Plate 2 x 2 Black Part 3022 Element 302226 ×2
  • Plate 2 x 3 Black Part 3021 Element 302126 ×1
  • Plate Round 1 x 1 with Open Stud Black Part 85861 Element 6168646 or 6100627 1 spare in the box ×4
  • Plate Special 1 x 2 Rounded with 2 Open Studs Black Part 35480 Element 6210270 ×2
  • Plate Special Round 1 x 2 Half Circle with Stud (Jumper) Black Part 1745 Element 6510061 or 6438919 ×2
  • Technic Axle 4 Black Part 3705 Element 370526 ×8
  • Technic Axle 8 Black Part 3707 Element 370726 ×1
  • Technic Axle Connector 5L with One Side Frictionless Black Part 5443 Element 6546682 ×1
  • Technic Axle Connector Smooth [with x Hole + Orientation] Black Part 59443 Element 6084612 or 4512363 Also in Dark Bluish Gray ×2
  • Technic Axle Pin 3L with Friction Ridges Lengthwise and 2L Axle Black Part 18651 Element 6089119 ×16
  • Technic Axle and Pin Connector Angled #1 Black Part 32013 Element 6284699 or 4107085 ×8
  • Technic Axle and Pin Connector Angled #3 - 157.5° Black Part 32016 Element 6261386 or 4107082 ×4
  • Technic Axle and Pin Connector Angled #7 - 168.75° Black Part 4450 Element 6523971 ×2
  • Technic Axle and Pin Connector Perpendicular Black Part 6536 Element 6261371 or 4173668 Also in Dark Bluish Gray ×2
  • Technic Axle and Pin Connector Perpendicular 3L with 2 Pin Holes Black Part 42003 Element 6273708 or 4200326 ×8
  • Technic Axle and Pin Connector Perpendicular Split Black Part 92907 Element 6279021 or 4610371 ×3
  • Technic Axle and Pin Connector Perpendicular Triple Black Part 63869 Element 6362991 or 6007966 ×5
  • Technic Beam 1 x 11 Thick with Alternating Holes Black Part 73507 Element 6330585 ×4
  • Technic Beam 1 x 15 Thick Black Part 32278 Element 4542573 or 4128603 ×10
  • Technic Beam 1 x 2 Thick with Pin Hole and Axle Hole Black Part 60483 Element 6265091 or 6006140 Also in Dark Bluish Gray ×10
  • Technic Beam 1 x 2 Thin Black Part 41677 Element 6338428 or 4167726 ×10
  • Technic Beam 1 x 3 Thick Black Part 32523 Element 4142822 or 3252326 ×8
  • Technic Beam 1 x 3 Thick with Center Axle Hole Black Part 7229 Element 6550582 ×3
  • Technic Beam 1 x 3 Thin Black Part 6632 Element 6331723 or 4107828 Also in Dark Bluish Gray ×6
  • Technic Beam 1 x 5 Thick Black Part 32316 Element 4142135 or 4140429 ×11
  • Technic Beam 1 x 7 Thick Black Part 32524 Element 4495935 or 4155458 Also in Dark Bluish Gray ×2
  • Technic Beam 1 x 7 Thick with Alternating Holes Black Part 2391 Element 6435016 Also in Dark Bluish Gray ×2
  • Technic Beam 1 x 9 Thick Black Part 40490 Element 4645732 or 4542788 ×10
  • Technic Beam 1 x 9 Thick with Alternating Holes Black Part 6612 Element 6521101 ×1
  • Technic Beam 2 x 3 L-Shape with Quarter Ellipse Thick Black Part 71708 Element 6326047 ×24
  • Technic Beam 2 x 3 Thick [90° Offset Centre Beam Hole] Black Part 3167 Element 6563620 ×1
  • Technic Beam 2 x 4 L-Shape Thick Black Part 32140 Element 6271825 or 4120017 Also in Dark Bluish Gray ×14
  • Technic Beam 2 x 5 L-Shape with Quarter Ellipse Thick Black Part 80286 Element 6407066 or 6378466 ×4
  • Technic Beam 3 x 5 L-Shape Thick with Alternating Holes Black Part 2477 Element 6408182 ×12
  • Technic Beam Frame 3 x 13 with 1 Center Cross Beams, 2 Openings Thick Black Part 4526 Element 6452876 ×4
  • Technic Beam Frame 3 x 19 with 2 Center Cross Beams, 3 Openings Thick Black Part 67491 Element 6377025 ×2
  • Technic Bush Black Part 3713 Element 6332148 or 6210506 1 spare in the box ×1
  • Technic Driving Ring Connector Smooth [2 rounded and 2 flat side walls] Black Part 42195 Element 6286381 ×4
  • Technic Gear 12 Tooth Double Bevel Black Part 32270 Element 4177431 ×2
  • Technic Gear 20 Tooth Double Bevel with Axle Hole Type 1 [+ Opening] Black Part 18575 Element 6346535 or 6093977 ×1
  • Technic Gear Rack 1 x 7 with Axle and Pin Holes Black Part 87761 Element 6327430 or 4562009 ×1
  • Technic Link 1 x 8 Black Part 5996 Element 6506200 ×4
  • Technic Panel 3 x 11 x 1 Black Part 15458 Element 6080356 ×4
  • Technic Panel 3 x 2 x 5 Black Part 80285 Element 6399568 ×2
  • Technic Panel 3 x 7 x 1 Black Part 71709 Element 6331935 ×4
  • Technic Panel 5 x 11 x 1 Black Part 64782 Element 4566243 ×1
  • Technic Panel 5 x 11 x 1 Tapered Black Part 18945 Element 6164383 ×2
  • Technic Panel Curved 11 x 3 with 2 Pin Holes through Panel Surface Black Part 62531 Element 6214731 or 4530578 ×2
  • Technic Panel Curved 3 x 13 x 2 Tapered, Left #52 Black Part 4527 Element 6640365 or 6452847 ×1
  • Technic Panel Curved 3 x 13 x 2 Tapered, Right #53 Black Part 5426 Element 6550058 or 6470744 ×1
  • Technic Panel Curved 5 x 13 x 2 Tapered, Left #50 Black Part 67142 Element 6472644 or 6390391 ×2
  • Technic Panel Curved 5 x 13 x 2 Tapered, Right #51 Black Part 68196 Element 6472641 or 6390393 ×2
  • Technic Panel Curved 7 x 3 Inverted Black Part 4500 Element 6513898 or 6452873 ×4
  • Technic Panel Curved 7 x 3 with 2 Pin Holes through Panel Surface Black Part 24119 Element 6150082 ×2
  • Technic Panel Curved and Bent Angled Left 5 x 4 x 3 #71 Black Part 80272 Element 6362555 ×2
  • Technic Panel Curved and Bent Angled Right 5 x 4 x 3 #70 Black Part 80271 Element 6362554 ×2
  • Technic Panel Fairing #17 Large Smooth, Side A Black Part 64392 Element 4541326 ×1
  • Technic Panel Fairing #18 Large Smooth, Side B Black Part 64682 Element 4543490 ×1
  • Technic Panel Fairing #21 5L Small Smooth, Side B Black Part 11946 Element 6316923 or 6023036 ×10
  • Technic Panel Fairing #22 5L Small Smooth, Side A Black Part 11947 Element 6319983 or 6022761 ×10
  • Technic Panel Fairing #5 Long Smooth, Side A Black Part 64681 Element 4558774 ×1
  • Technic Panel Fairing #6 Long Smooth, Side B Black Part 64393 Element 4558731 ×1
  • Technic Panel Fairing #7 3L Very Small Smooth, Side A Black Part 2387 Element 6510991 or 6426589 ×5
  • Technic Panel Fairing #8 3L Very Small Smooth, Side B Black Part 2389 Element 6513874 or 6426590 ×5
  • Technic Panel Fairing 2 x 1 x 1 Black Part 89679 Element 6396456 ×20
  • Technic Panel Fairing 2 x 3 x 1 Black Part 71682 Element 6331026 ×19
  • Technic Panel Fairing 2 x 5 x 1 Black Part 7101 Element 6540723 ×16
  • Technic Panel Fairing Long Smooth Inverted, Side A #40 Black Part 5741 Element 6489727 ×2
  • Technic Panel Fairing Long Smooth Inverted, Side B # 41 Black Part 5742 Element 6509368 ×2
  • Technic Panel Round Corner 5 x 3 x 2 Left Black Part 2438 Element 6498917 ×2
  • Technic Panel Round Corner 5 x 3 x 2 Right Black Part 2442 Element 6498843 ×2
  • Technic Pin Connector Double with Bar [2 Holes] Black Part 85940 Element 6173124 or 4562148 ×3
  • Technic Pin Connector Hub with 1 Axle Black Part 22961 Element 6253260 ×9
  • Technic Pin Connector Hub with 2 Perpendicular Axles Black Part 10197 Element 6099801 or 6098801 ×4
  • Technic Pin Connector Round 1L [Beam] Black Part 18654 Element 6121485 2 spares in the box Also in Dark Bluish Gray ×27
  • Technic Pin Connector Round [Slotted] Black Part 62462 Element 6173119 or 4526982 ×6
  • Technic Pin Long with Friction Ridges Lengthwise and Stop Bush [2 Lateral Holes, Small Pin Hole] Black Part 65304 Element 6321745 ×10
  • Technic Pin with Friction Ridges Lengthwise with No Center Slots Black Part 61332 Element 6279875 4 spares in the box ×269
  • Technic Rotor Blade Small with Hole and Axle Connector End Black Part 99012 Element 6442361 ×5
  • Technic Steering Arm 3 x 1 with Towball Socket Black Part 5997 Element 6506201 ×6
  • Technic Steering Wheel Hub Holder with 2 Pin Holes and 2 Axle Holes, No Slots Black Part 65766 Element 6352693 ×2
  • Technic Steering Wheel Pilot's Yoke [Closed Top] Black Part 49151 Element 6378464 ×1
  • Technic Tooth 1 x 3 with Axle Hole [Hollow Underside] Black Part 48267 Element 6288220 ×2
  • Technic Wishbone 7 x 8 x 2 Black Part 5780 Element 6509233 ×8
  • Tile 1 x 2 with Groove Black Part 3069b Element 306926 ×2
  • Tile 1 x 8 with Groove Black Part 4162 Element 416226 ×4
  • Tile Round 1 x 1 Black Part 98138 Element 6284070 or 6139403 1 spare in the box ×2
  • Tile Special 1 x 2 Grille with Bottom Groove Black Part 2412b Element 241226 ×1
  • Tyre 81.6 x 44 Slick with White 'PIRELLI', 'P ZERO' Print Black Part 4410pr0003 Element 6582836 ×4
  • Wheel 56 x 34 Technic Racing Medium with 6 Pin Holes Black Part 15038 Element 6284703 or 6253256 ×4
  • Wheel Arch, Mudguard 2 x 3 x 1 1/3 with 2 x 2 Plate Black Part 49097 Element 6255875 ×1
  • Wheel Cover for Wheel 34 x 56 with Green/Yellow/Red/Blue Circle Print Black Part 4472pr0002 Element 6618713 ×4

Blue 198 pieces

  • Technic Axle Pin with Friction Ridges Lengthwise Blue Part 43093 Element 4309323 or 4206482 ×56
  • Technic Beam 1 x 3 Thick Blue Part 32523 Element 4509376 or 4144284 ×2
  • Technic Gear 12 Tooth with Axle Hole Blue Part 69778 Element 6396479 ×4
  • Technic Pin Connector Round [Slotted] Blue Part 62462 Element 6210497 or 4595160 ×1
  • Technic Pin Long with Friction Ridges Lengthwise, 1 Center Slot Blue Part 42924 Element 6299413 ×135

Red 181 pieces

  • Technic Axle 1.5 with Perpendicular Axle Connector (Technic Pole Reverser Handle) Red Part 6553 Element 6194075 or 4143148 ×1
  • Technic Axle 10 Red Part 3737 Element 6130005 or 4267858 ×1
  • Technic Axle 2 Notched Red Part 32062 Element 4142865 ×84
  • Technic Axle 6 Red Part 3706 Element 6130002 or 4191526 ×3
  • Technic Axle 8 Red Part 3707 Element 6130004 ×1
  • Technic Axle Pin 3L with Friction Ridges Lengthwise and 1L Axle Red Part 11214 Element 6209519 ×6
  • Technic Axle and Pin Connector Perpendicular Red Part 6536 Element 6261373 or 4188298 ×10
  • Technic Beam 1 x 2 Thick with Pin Hole and Axle Hole Red Part 60483 Element 6390264 ×4
  • Technic Brick 1 x 1 with Axle Hole Red Part 73230 Element 6473604 ×2
  • Technic Bush Red Part 3713 Element 6271820 or 4227155 1 spare in the box ×2
  • Technic Changeover Catch - New Style Red Part 51149 Element 6313493 ×1
  • Technic Gear 16 Tooth with Clutch on Both Sides Red Part 18946 Element 6100930 ×1
  • Technic Pin 1/2 with Friction Red Part 89678 Element 6378120 2 spares in the box ×53
  • Technic Pin with Friction Ridges Lengthwise and Towball - Round Pin Hole Red Part 66906 Element 6360104 ×12

Light Bluish Gray 157 pieces

  • Brick Round 2 x 2 [Grill] Light Bluish Gray Part 92947 Element 4650645 or 4610816 ×2
  • Brick Special 1 x 1 with Stud on 1 Side Light Bluish Gray Part 87087 Element 4558953 ×2
  • Plate Special 1 x 3 with 2 Studs with Groove and Inside Stud Holder (Jumper) Light Bluish Gray Part 34103 Element 6211969 ×1
  • Technic Axle 5 Light Bluish Gray Part 32073 Element 32073194 or 4211639 ×10
  • Technic Axle Towball Light Bluish Gray Part 2736 Element 6443149 or 4211375 ×3
  • Technic Axle and Pin Connector Angled #1 Light Bluish Gray Part 32013 Element 6296859 or 4211550 ×2
  • Technic Axle and Pin Connector Angled #4 - 135° Light Bluish Gray Part 32192 Element 6262905 or 6149784 ×3
  • Technic Axle and Pin Connector Perpendicular Light Bluish Gray Part 6536 Element 6261375 or 4211775 ×12
  • Technic Axle and Pin Connector Perpendicular 3L with 2 Pin Holes Light Bluish Gray Part 42003 Element 6273724 or 4211779 ×2
  • Technic Axle and Pin Connector Perpendicular 3L with Centre Pin Hole Light Bluish Gray Part 32184 Element 6276969 or 4211621 ×12
  • Technic Axle and Pin Connector Perpendicular Triple Light Bluish Gray Part 63869 Element 6331441 or 4538007 ×8
  • Technic Beam 1 x 11 Thick Light Bluish Gray Part 32525 Element 4611705 or 4534910 ×1
  • Technic Beam 1 x 2 Thick with Pin Hole and Axle Hole Light Bluish Gray Part 60483 Element 6265089 or 6004888 ×2
  • Technic Beam 1 x 2 Thin Light Bluish Gray Part 41677 Element 6348143 or 4211741 ×4
  • Technic Beam 1 x 2 with Towball Straight Light Bluish Gray Part 5995 Element 6506199 ×4
  • Technic Beam 1 x 7 Thick Light Bluish Gray Part 32524 Element 4495930 or 4211665 ×6
  • Technic Beam 1 x 9 Thick with Alternating Holes Light Bluish Gray Part 6612 Element 6508520 ×2
  • Technic Beam 3 x 5 L-Shape Thick Light Bluish Gray Part 32526 Element 4211713 ×1
  • Technic Beam 5 x 11 with 3 x 5 Opening Frame Thick Light Bluish Gray Part 64178 Element 4540797 ×1
  • Technic Beam Frame 5 x 7 with 3 x 5 Opening Thick Light Bluish Gray Part 64179 Element 4539880 ×2
  • Technic Beam Special 1 x 5 x 3 Light Bluish Gray Part 6614 Element 6508522 ×1
  • Technic Bush Light Bluish Gray Part 3713 Element 6275844 or 6271817 1 spare in the box ×4
  • Technic Bush 1/2 Smooth with Axle Hole Semi-Reduced Light Bluish Gray Part 32123b Element 6271165 or 4211573 2 spares in the box ×18
  • Technic Driving Ring Connector Smooth [2 rounded and 2 flat side walls] Light Bluish Gray Part 42195 Element 6273212 ×2
  • Technic Driving Ring Extension, 8 Ridges Light Bluish Gray Part 35186 Element 6307931 ×2
  • Technic Engine Connecting Rod Light Bluish Gray Part 2852 Element 6000018 or 4655728 ×6
  • Technic Engine Cylinder, No Studs Light Bluish Gray Part 6608 Element 6508516 ×6
  • Technic Gear 16 Tooth Reinforced [New Style] Light Bluish Gray Part 94925 Element 4640536 ×1
  • Technic Pin Connector Hub Perpendicular 3 x 3 Bent with 4 Pins (Pin Ridges Along Part) Light Bluish Gray Part 49130 Element 6313453 ×2
  • Technic Pin Connector Hub Perpendicular 3L with 2 Pins Light Bluish Gray Part 2393 Element 6408168 ×9
  • Technic Pin Connector Hub Perpendicular 3L with 4 Pins (Squared Holes) Light Bluish Gray Part 65489 Element 6282158 ×1
  • Technic Pin Connector Hub with 1 Axle Light Bluish Gray Part 22961 Element 6123815 ×7
  • Technic Pin Long 3l with Stop and Hole Light Bluish Gray Part 77765 Element 6338962 ×4
  • Technic Pin Long with Friction Ridges Lengthwise and Stop Bush [2 Lateral Holes, Small Pin Hole] Light Bluish Gray Part 65304 Element 6321747 ×5
  • Technic Steering / CV Joint Light Bluish Gray Part 32494 Element 6265690 or 6122217 ×5
  • Technic Steering Portal with 2 Pin Holes Light Bluish Gray Part 11950 Element 6169984 or 6022949 ×2
  • Technic Universal Joint 3L [Complete Assembly] Light Bluish Gray Part 61903 Element 6335279 or 6321309 ×2

Dark Bluish Gray 136 pieces

  • Plate 1 x 2 Dark Bluish Gray Part 3023 Element 4211063 Also in Black ×1
  • Plate 2 x 4 Dark Bluish Gray Part 3020 Element 4211065 ×1
  • Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) Dark Bluish Gray Part 4032a Element 4211042 ×2
  • Plate Round 2 x 2 with Rounded Bottom [Boat Stud] Dark Bluish Gray Part 2654 Element 4613980 or 4278274 ×1
  • Technic Axle 4 with Stop Dark Bluish Gray Part 87083 Element 6083620 or 4560177 ×8
  • Technic Axle 5.5 with Stop [Rounded Short End] Dark Bluish Gray Part 59426 Element 4508553 ×2
  • Technic Axle 8 with Stop Dark Bluish Gray Part 55013 Element 4499858 ×1
  • Technic Axle Connector Smooth [with x Hole + Orientation] Dark Bluish Gray Part 59443 Element 6084613 or 4516546 Also in Black ×2
  • Technic Axle Pin 3L with Friction Ridges Lengthwise and 1L Axle Dark Bluish Gray Part 11214 Element 6015356 ×16
  • Technic Axle and Pin Connector Angled #2 - 180° Dark Bluish Gray Part 32034 Element 32034199 or 6271876 ×4
  • Technic Axle and Pin Connector Perpendicular Dark Bluish Gray Part 6536 Element 6536199 or 6261374 Also in Black ×3
  • Technic Axle and Pin Connector Perpendicular Double Dark Bluish Gray Part 32291 Element 6280395 or 4210655 ×4
  • Technic Beam 1 x 13 Thick Dark Bluish Gray Part 41239 Element 4522937 or 4261932 ×2
  • Technic Beam 1 x 15 Thick with Alternating Holes Dark Bluish Gray Part 71710 Element 6396963 ×2
  • Technic Beam 1 x 2 Thick with Pin Hole and Axle Hole Dark Bluish Gray Part 60483 Element 6265093 or 6006141 Also in Black ×4
  • Technic Beam 1 x 3 Thin Dark Bluish Gray Part 6632 Element 6632199 or 6364452 Also in Black ×8
  • Technic Beam 1 x 5 Thin with Axle Holes on Ends Dark Bluish Gray Part 11478 Element 6370946 or 6029951 ×8
  • Technic Beam 1 x 7 Thick Dark Bluish Gray Part 32524 Element 4495931 or 4210752 Also in Black ×3
  • Technic Beam 1 x 7 Thick with Alternating Holes Dark Bluish Gray Part 2391 Element 6432397 Also in Black ×2
  • Technic Beam 1 x 9 Bent (6 - 4) Thick Dark Bluish Gray Part 6629 Element 6279883 or 4210638 ×2
  • Technic Beam 2 x 4 L-Shape Thick Dark Bluish Gray Part 32140 Element 6271830 or 4210667 Also in Black ×15
  • Technic Beam 3 x 3 L-Shape Thin Dark Bluish Gray Part 32056 Element 6271814 or 4210659 ×4
  • Technic Beam 3 x 3 T-Shape Thick Dark Bluish Gray Part 60484 Element 4552349 or 4535773 ×3
  • Technic Connector Beam 3 x 3 Dark Bluish Gray Part 39793 Element 6317653 ×1
  • Technic Driving Ring 3L Dark Bluish Gray Part 18947 Element 6100931 ×1
  • Technic Gear Differential with Inner Tabs and Closed Center, 28 Bevel Teeth [Beveled Edge] Dark Bluish Gray Part 62821b Element 4562210 or 4525184 ×1
  • Technic Link 1 x 6 without Stoppers Dark Bluish Gray Part 32005a Element 4629920 or 4211026 ×2
  • Technic Pin 1/2 with Friction Dark Bluish Gray Part 89678 Element 6395635 2 spares in the box ×8
  • Technic Pin Connector Hub with 1 Pin with Friction Ridges Lengthwise [Centered Friction Ridge] Dark Bluish Gray Part 65487 Element 6282144 ×6
  • Technic Pin Connector Hub with 2 Axles Dark Bluish Gray Part 27940 Element 6167281 ×2
  • Technic Pin Connector Round 1L [Beam] Dark Bluish Gray Part 18654 Element 6100030 1 spare in the box Also in Black ×9
  • Technic Steering / CV Joint Axle Dark Bluish Gray Part 92906 Element 4610374 ×3
  • Technic Steering Hub for Portal Axle Dark Bluish Gray Part 92909 Element 4610378 ×4
  • Tile Special Round 2 x 2 with Hole Dark Bluish Gray Part 15535 Element 6055313 ×1

Orange 115 pieces

  • Brick Curved 10 x 1 [Symmetric Inside Ridges] Orange Part 13731 Element 6601283 or 6121293 ×2
  • Brick Curved 2 x 2 x 2/3 Orange Part 15068 Element 6067913 ×2
  • Brick Curved 4 x 2 No Studs Orange Part 93606 Element 6054529 ×1
  • Brick Wedged, Sloped 2 x 5 Left Orange Part 3504 Element 6560246 ×1
  • Brick Wedged, Sloped 2 x 5 Right Orange Part 3505 Element 6560247 ×1
  • Plate 1 x 1 Orange Part 3024 Element 4524929 or 4203454 1 spare in the box ×1
  • Plate 1 x 4 Orange Part 3710 Element 4118782 ×2
  • Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper) Orange Part 15573 Element 6092599 ×2
  • Technic Axle and Pin Connector Angled #2 - 180° Orange Part 32034 Element 6271874 or 6135092 ×5
  • Technic Axle and Pin Connector Perpendicular 3L with 2 Pin Holes Orange Part 42003 Element 6330986 or 6259824 ×10
  • Technic Beam 1 x 2 Thin Orange Part 41677 Element 6390384 ×4
  • Technic Beam 1 x 2 with Axle on Side Orange Part 7244 Element 6540720 ×1
  • Technic Beam 1 x 3 Thin Orange Part 6632 Element 6364450 or 6254125 ×4
  • Technic Beam 1 x 4 Thin Orange Part 32449 Element 6494207 or 4171194 ×2
  • Technic Beam 1 x 5 Thick Orange Part 32316 Element 6143014 or 4142138 ×2
  • Technic Beam 1 x 7 Thick Orange Part 32524 Element 6339024 or 6102621 ×2
  • Technic Beam 2 x 3 L-Shape with Quarter Ellipse Thick Orange Part 71708 Element 6494204 ×4
  • Technic Beam 2 x 4 L-Shape Thick Orange Part 32140 Element 6271832 or 4508664 ×6
  • Technic Connector Beam 3 x 3 Orange Part 39793 Element 6601284 ×1
  • Technic Panel 3 x 11 x 1 Orange Part 15458 Element 6339023 or 6102612 ×1
  • Technic Panel 3 x 7 x 1 Orange Part 71709 Element 6358256 ×2
  • Technic Panel Curved 3 x 13 Orange Part 18944 Element 6302745 or 6239886 ×1
  • Technic Panel Curved 7 x 3 Inverted Orange Part 4500 Element 6610717 ×2
  • Technic Panel Fairing # 3 Small Smooth Long, Side A Orange Part 64683 Element 6601288 or 6285295 ×1
  • Technic Panel Fairing # 4 Small Smooth Long, Side B Orange Part 64391 Element 6601286 or 6285294 ×1
  • Technic Panel Fairing #1 Small Smooth Short, Side A Orange Part 87080 Element 6370445 or 6303434 ×1
  • Technic Panel Fairing #2 Small Smooth Short, Side B Orange Part 87086 Element 6370444 or 6303436 ×1
  • Technic Panel Fairing #42 5 x 7, Side A Inverted Orange Part 6609 Element 6601285 ×1
  • Technic Panel Fairing #43 5 x 7, Side B Inverted Orange Part 6606 Element 6601289 ×1
  • Technic Panel Fairing 2 x 1 x 1 Orange Part 89679 Element 6523967 ×2
  • Technic Panel Fairing 2 x 3 x 1 Orange Part 71682 Element 6358255 ×2
  • Technic Pin Connector Hub with 1 Pin with Friction Ridges Lengthwise [Centered Friction Ridge] Orange Part 65487 Element 6390390 ×11
  • Technic Pin Connector Hub with 2 Perpendicular Axles Orange Part 10197 Element 6610718 or 6259825 ×4
  • Technic Pin Connector Round 1L [Beam] Orange Part 18654 Element 6390380 2 spares in the box ×11
  • Technic Pin Long with Friction Ridges Lengthwise and Stop Bush [2 Lateral Holes, Small Pin Hole] Orange Part 65304 Element 6347790 ×14
  • Tile 1 x 2 with Groove Orange Part 3069b Element 4188771 ×2
  • Tile 1 x 4 with Groove Orange Part 2431 Element 4160593 ×2
  • Tile 1 x 6 with Groove Orange Part 6636 Element 4650690 or 4524966 ×2

Yellow 62 pieces

  • Technic Axle 3 Yellow Part 4519 Element 6130007 ×32
  • Technic Axle 7 Yellow Part 44294 Element 6130009 ×7
  • Technic Axle Connector Smooth [with x Hole + Orientation] Yellow Part 59443 Element 4519010 ×7
  • Technic Beam 1 x 2 Thin Yellow Part 41677 Element 6431477 ×4
  • Technic Engine Crankshaft Yellow Part 2853 Element 6640378 or 4119474 ×2
  • Technic Engine Piston Round Yellow Part 2851 Element 4112203 or 285124 ×6
  • Technic Shock Absorber 6.5L with Hard Spring, Tight Coils at End, Black Rod [Complete Assembly] Yellow Part 89954c01 Element 6378480 ×4

Reddish Brown 20 pieces

  • Technic Axle 3 with Stop Reddish Brown Part 24316 Element 6135494 ×11
  • Technic Axle 5 with Stop Reddish Brown Part 15462 Element 6159763 ×9

Tan 14 pieces

  • Bar 3L Tan Part 87994 Element 6443062 1 spare in the box ×2
  • Technic Axle 4 with Centre Stop Tan Part 99008 Element 4666999 ×2
  • Technic Axle Pin without Friction Ridges Lengthwise Tan Part 3749 Element 4666579 or 4186017 ×4
  • Technic Engine Crankshaft Center Tan Part 2854 Element 6355727 or 6013937 ×2
  • Technic Gear 12 Tooth Bevel Tan Part 6589 Element 4565452 or 4514556 ×3
  • Technic Pin Long without Friction Ridges, with Anti-Roll Notch Tan Part 39888 Element 6321305 ×1

White 8 pieces

  • Technic Axle Pin 3L without Friction Ridges and 2L Axle White Part 65249 Element 6289797 ×2
  • Technic Axle and Pin Connector Perpendicular Double Split [Reinforced] White Part 69819 Element 6346389 ×2
  • Technic Beam 1 x 3 Thick White Part 32523 Element 6632140 or 4208160 ×1
  • Technic Driving Ring Connector White Part 18948 Element 6276052 or 6100932 ×1
  • Technic Pin Connector Round [Slotted] White Part 62462 Element 6550164 or 6173116 ×2

Flat Silver 5 pieces

  • Plate Round 1 x 1 with Solid Stud Flat Silver Part 6141 Element 4633691 1 spare in the box ×4
  • Weapon Harpoon [Smooth Shaft] Flat Silver Part 18041 Element 6162578 or 6078471 1 spare in the box ×1

Dark Azure 4 pieces

  • Brick Curved 2 x 1 No Studs [1/2 Bow] Dark Azure Part 11477 Element 6137300 ×2
  • Plate 1 x 1 Dark Azure Part 3024 Element 6151664 or 6089779 1 spare in the box ×2

Dark Tan 4 pieces

  • Technic Axle 3 with Stud Dark Tan Part 6587 Element 6031821 or 6013821 ×4

Lime 4 pieces

  • Plate Special Round 2 x 2 with Center Stud (Jumper Plate) Lime Part 18674 Element 6610720 ×4

Trans-Red 3 pieces

  • Tile 1 x 4 with Groove Trans-Red Part 2431 Element 6510184 or 6390369 ×2
  • Tile Special 1 x 2 Grille with Bottom Groove Trans-Red Part 2412b Element 6250158 or 4190187 ×1

Green 2 pieces

  • Technic Gear 20 Tooth with Clutch on Both Sides Green Part 81346 Element 6391159 ×2

[No Color/Any Color] 2 pieces

  • Sticker Sheet 1 for Set 42228-1 [No Color/Any Color] Part 10118992 Element 6627258 ×1
  • Sticker Sheet 2 for Set 42228-1 [No Color/Any Color] Part 10117460 Element 6606388 ×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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