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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.

Compact Crawler Crane

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42097 Compact Crawler Crane

920 pieces in 104 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

Yellow 225 pieces

  • Brick Round 1 x 1 diameter Tube with 90 Degree Elbow (2 x 2 x 1) and Axle Holes (Crossholes) at each end Yellow Part 25214 Element 6253294 or 6173898 ×6
  • Technic Axle 5 Yellow Part 32073 Element 6130008 ×18
  • Technic Axle 9 Yellow Part 60485 Element 6130010 ×5
  • Technic Axle Connector Smooth [with x Hole + Orientation] Yellow Part 59443 Element 4519010 ×27
  • Technic Axle and Pin Connector Perpendicular 3L with 2 Pin Holes Yellow Part 42003 Element 6273711 or 4200324 ×3
  • Technic Beam 1 x 11 Thick Yellow Part 32525 Element 6028107 or 4534912 ×11
  • Technic Beam 1 x 11.5 Double Bent Thick Yellow Part 32009 Element 6271150 or 6257104 ×4
  • Technic Beam 1 x 15 Thick Yellow Part 32278 Element 4542579 or 4237445 ×4
  • Technic Beam 1 x 3 Thick Yellow Part 32523 Element 4153707 ×6
  • Technic Beam 1 x 3 Thin Yellow Part 6632 Element 6344174 or 4107823 ×6
  • Technic Beam 1 x 7 Thick Yellow Part 32524 Element 4495934 or 4187082 ×16
  • Technic Beam 2 x 4 L-Shape Thick Yellow Part 32140 Element 6271828 or 4141628 ×31
  • Technic Beam 3 x 3 L-Shape Thin Yellow Part 32056 Element 6271812 or 4112289 ×20
  • Technic Beam 3 x 3 T-Shape Thick Yellow Part 60484 Element 6072627 ×12
  • Technic Beam 3 x 5 Thick [90° Offset Centre Beam Holes] Yellow Part 14720 Element 6259054 ×8
  • Technic Brick 1 x 12 [11 Pin Holes] Yellow Part 3895 Element 6262393 or 389524 ×2
  • Technic Brick 1 x 8 [7 Pin Holes] Yellow Part 3702 Element 370224 ×4
  • Technic Bush 1/2 Smooth with Axle Hole Semi-Reduced Yellow Part 32123b Element 6271167 or 3212324 1 spare in the box ×21
  • Technic Gear Rack 1 x 14 x 2 Housing Yellow Part 18940 Element 6259052 ×4
  • Technic Panel 3 x 11 x 1 Yellow Part 15458 Element 6143847 ×4
  • Tile 1 x 4 with Groove Yellow Part 2431 Element 243124 ×5
  • Tile 1 x 6 with Groove Yellow Part 6636 Element 6388488 or 663624 ×8

Dark Bluish Gray 190 pieces

  • Hook with Towball Dark Bluish Gray Part 30395 Element 30395199 or 6347464 ×1
  • String Cord Medium Thickness (1mm) 150cm Dark Bluish Gray Part 37597c150 Element 6431485 or 6226157 ×1
  • Technic Axle 4 with Stop Dark Bluish Gray Part 87083 Element 6083620 or 4560177 ×9
  • Technic Axle 8 with Stop Dark Bluish Gray Part 55013 Element 4499858 ×4
  • Technic Axle and Pin Connector Angled #1 Dark Bluish Gray Part 32013 Element 32013199 or 6296856 ×1
  • Technic Axle and Pin Connector Block 4 x 3 x 2 1/2 [Linear Actuator Holder] Dark Bluish Gray Part 61904 Element 6356106 or 4528038 ×1
  • Technic Axle and Pin Connector Perpendicular Dark Bluish Gray Part 6536 Element 6536199 or 6261374 ×18
  • Technic Beam 1 x 3 Thick Dark Bluish Gray Part 32523 Element 32523199 or 4210751 ×3
  • Technic Beam 1 x 4 Thin Dark Bluish Gray Part 32449 Element 6327561 or 4210749 ×8
  • Technic Beam 1 x 9 Bent (7 - 3) Thick Dark Bluish Gray Part 32271 Element 6276837 or 4281516 ×2
  • Technic Beam 1 x 9 Thick Dark Bluish Gray Part 40490 Element 4645730 or 4210757 ×22
  • Technic Beam 3 x 5 L-Shape Thick Dark Bluish Gray Part 32526 Element 4210753 ×2
  • Technic Brick 1 x 14 [13 Pin Holes] Dark Bluish Gray Part 32018 Element 4211137 ×2
  • Technic Gear 24 Tooth [New Style with Single Axle Hole] Dark Bluish Gray Part 3648b Element 6133119 or 4514558 ×2
  • Technic Gear 8 Tooth [Reinforced] Dark Bluish Gray Part 10928 Element 6631413 or 6012451 ×11
  • Technic Gear Rack 1 x 14 x 2 with Axle and Pin Holes Dark Bluish Gray Part 18942 Element 6273338 or 6114979 ×4
  • Technic Link Tread Wide with Two Pin Holes, Reinforced Dark Bluish Gray Part 88323 Element 4566742 ×60
  • Technic Pin Connector Hub with 2 Axles Dark Bluish Gray Part 27940 Element 6167281 ×11
  • Technic Pin Connector Round 1L [Beam] Dark Bluish Gray Part 18654 Element 6100030 1 spare in the box ×21
  • Technic Reel 3 x 2 Dark Bluish Gray Part 32012 Element 32012199 or 4239891 ×1
  • Technic Steering / CV Joint Axle Dark Bluish Gray Part 92906 Element 4610374 ×1
  • Technic Worm Gear Short Dark Bluish Gray Part 27938 Element 6170153 ×4
  • Tile 2 x 3 Dark Bluish Gray Part 26603 Element 6187008 ×1

Black 172 pieces

  • Plate 1 x 10 Black Part 4477 Element 447726 ×2
  • Plate 1 x 4 Black Part 3710 Element 371026 ×1
  • Plate 1 x 6 Black Part 3666 Element 366626 ×2
  • Plate 1 x 8 Black Part 3460 Element 346026 ×3
  • Plate Round 4 x 4 with Pin Hole Black Part 60474 Element 4515350 ×2
  • Technic Axle 10 Black Part 3737 Element 373726 ×4
  • Technic Axle 6 Black Part 3706 Element 370626 ×1
  • Technic Axle and Pin Connector Angled #2 - 180° Black Part 32034 Element 6271869 or 4107783 ×2
  • Technic Beam 1 x 5 Thin with Axle Holes on Ends Black Part 11478 Element 6327028 or 6030286 ×4
  • Technic Beam 3 x 0.5 Liftarm with Boss and Pin Semi-Reduced Black Part 33299b Element 4563044 ×5
  • Technic Gear 12 Tooth Double Bevel Black Part 32270 Element 4177431 ×27
  • Technic Pin Connector Toggle Joint Smooth Double with Axle and Pin Holes Black Part 87408 Element 6278412 or 4558692 ×7
  • Technic Pin with Friction Ridges Lengthwise and Center Slots Black Part 2780 Element 4121715 or 278026 2 spares in the box ×98
  • Technic Turntable Large Type 3 Top, 60 Tooth Black Part 18938 Element 6109283 ×1
  • Technic Turntable Small Base, 28 Tooth Black Part 99010 Element 6326620 or 4652236 ×4
  • Technic Wedge Belt Wheel [aka Pulley] Black Part 4185 Element 6323668 or 6192130 ×8
  • Tile Special Round 2 x 2 - Thick Lifting Ring Black Part 74698 Element 6010831 ×1

Blue 130 pieces

  • Technic Axle Pin with Friction Ridges Lengthwise Blue Part 43093 Element 4309323 or 4206482 ×32
  • Technic Pin Connector Hub with 1 Pin with Friction Ridges Lengthwise Blue Part 15100 Element 6203249 ×4
  • Technic Pin Long with Friction Ridges Lengthwise, 2 Center Slots Blue Part 6558 Element 4514553 ×94

Light Bluish Gray 108 pieces

  • Cylinder Half 2 x 4 x 5 with 1 x 2 cutout Light Bluish Gray Part 85941 Element 6555111 or 6246886 ×2
  • Technic Axle 3 Light Bluish Gray Part 4519 Element 4211815 ×37
  • Technic Axle 7 Light Bluish Gray Part 44294 Element 44294194 or 4211805 ×3
  • Technic Beam 5 x 11 with 3 x 5 Opening Frame Thick Light Bluish Gray Part 64178 Element 4540797 ×2
  • Technic Beam Frame 5 x 7 with 3 x 5 Opening Thick Light Bluish Gray Part 64179 Element 4539880 ×6
  • Technic Bush Light Bluish Gray Part 3713 Element 6275844 or 6271817 1 spare in the box ×13
  • Technic Driving Ring Connector Smooth [4 rounded side walls] Light Bluish Gray Part 26287 Element 6196757 ×1
  • Technic Gear 16 Tooth Reinforced [New Style] Light Bluish Gray Part 94925 Element 4640536 ×2
  • Technic Gear 20 Tooth Bevel with Pin Hole Light Bluish Gray Part 87407 Element 4558690 ×8
  • Technic Gear Rack 1 x 4 Light Bluish Gray Part 3743 Element 6457283 or 4211450 ×6
  • Technic Linear Actuator with Dark Bluish Gray Ends [Improved Version] Light Bluish Gray Part 61927b Element 6153715 or 4638507 ×1
  • Technic Pin 1/2 without Friction Ridges Light Bluish Gray Part 4274 Element 4274194 or 4211483 1 spare in the box ×7
  • Technic Pin Connector Hub Perpendicular 3L with 4 Pins Light Bluish Gray Part 48989 Element 4225033 ×2
  • Technic Pin Connector Hub with 1 Axle Light Bluish Gray Part 22961 Element 6123815 ×1
  • Technic Pin Long with Friction Ridges Lengthwise and Stop Bush [3 Lateral Holes, Big Pin Hole] Light Bluish Gray Part 32054 Element 4211865 ×3
  • Technic Pin without Friction Ridges Lengthwise Light Bluish Gray Part 3673 Element 4211807 or 3673194 1 spare in the box ×4
  • Technic Steering / CV Joint Light Bluish Gray Part 32494 Element 6265690 or 6122217 ×1
  • Technic Turntable Large Type 3 Base Light Bluish Gray Part 18939 Element 6109285 ×1
  • Technic Turntable Small Top Light Bluish Gray Part 99009 Element 4652235 ×4
  • Wheel 11 x 8 with Center Groove Light Bluish Gray Part 42610 Element 4211758 ×4

Red 44 pieces

  • Brick Round 2 x 2 with Axle Hole Red Part 3941 Element 614321 or 394121 ×1
  • Technic Axle 2 Notched Red Part 32062 Element 4142865 ×15
  • Technic Axle 8 Red Part 3707 Element 6130004 ×3
  • Technic Axle Pin 3L with Friction Ridges Lengthwise and 1L Axle Red Part 11214 Element 6209519 ×6
  • Technic Beam 1 x 2 Thin Red Part 41677 Element 6371442 or 4186678 ×16
  • Technic Pin Connector Round [Slotted] Red Part 62462 Element 6173126 or 4526984 ×3

Tan 22 pieces

  • Technic Axle Pin without Friction Ridges Lengthwise Tan Part 3749 Element 4666579 or 4186017 ×2
  • Technic Gear 12 Tooth Bevel Tan Part 6589 Element 4565452 or 4514556 ×8
  • Technic Gear 20 Tooth Bevel Tan Part 32198 Element 6031962 or 4514557 ×1
  • Technic Gear 20 Tooth Double Bevel with Axle Hole Type 1 [+ Opening] Tan Part 18575 Element 6346517 or 6084724 ×2
  • Technic Pin Long without Friction Ridges Tan Part 32556 ×9

Reddish Brown 11 pieces

  • Technic Axle 3 with Stop Reddish Brown Part 24316 Element 6135494 ×9
  • Technic Axle 5 with Stop Reddish Brown Part 15462 Element 6159763 ×2

White 10 pieces

  • Dish 3 x 3 Inverted [Radar] White Part 43898 Element 4179580 ×4
  • Plate Round 1 x 1 with Solid Stud White Part 6141 Element 6601919 or 614101 1 spare in the box ×4
  • Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) White Part 4032a Element 6601914 or 403201 ×2

Orange 7 pieces

  • Cone 2 x 2 x 2, Open Stud Orange Part 3942c Element 6533789 or 6062601 ×4
  • Technic Beam 1 x 2 Thick with Pin Hole and Axle Hole Orange Part 60483 Element 6265128 or 6057526 ×3

[No Color/Any Color] 1 piece

  • Sticker Sheet for Set 42097-1 [No Color/Any Color] Part 51284 Element 6259023 ×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.

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