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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.

Police Helicopter

Checking

3658 Police Helicopter

220 pieces in 96 part and color combinations, plus 4 minifigures.

The official piece count includes the 17 parts inside the set's minifigures, which this inventory lists separately. Spare parts are counted in neither figure.

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

White 36 pieces

  • Aircraft Fuselage Curved Aft Section 6 x 10 Top White Part 87615 Element 6524509 or 4560934 ×1
  • Aircraft Fuselage Curved Forward 6 x 10 Top White Part 87613 Element 4560932 ×1
  • Brick Curved 4 x 1 No Studs [Stud Holder with Asymmetric Ridges] White Part 61678 ×8
  • Brick Sloped 45° 2 x 2 with Aircraft Multiple Flight Controls Print White Part 3039pr0013 Element 6032098 or 6016723 ×1
  • Dish 4 x 4 Inverted [Radar] White Part 3960 Element 396001 ×1
  • Equipment Signal Paddle White Part 3900 Element 390001 ×1
  • Plate 1 x 12 White Part 60479 Element 6552130 or 6548269 ×2
  • Plate 1 x 2 White Part 3023 Element 6552100 or 6548261 ×9
  • Plate 2 x 12 White Part 2445 Element 6552091 or 244501 ×1
  • Plate 2 x 6 White Part 3795 Element 6550146 or 379501 ×2
  • Plate 2 x 8 White Part 3034 Element 6552101 or 303401 ×3
  • Tail Shuttle White Part 6239 Element 623901 ×1
  • Tile 1 x 2 with Groove White Part 3069b Element 6548264 or 306901 ×1
  • Window 1 x 4 x 2 Plane, Hollow Studs, Single Hole Top and Bottom for Glass White Part 61345 Element 4521846 ×4

Black 35 pieces

  • Brick 1 x 4 Black Part 3010 Element 301026 ×2
  • Brick Round 2 x 2 Dome Top, Blocked Open Stud, Bottom Axle Holder Black Part 30367b Element 4158779 ×1
  • Brick Special 1 x 4 with 4 Studs on One Side Black Part 30414 Element 4162443 ×2
  • Brick Wedged, Curved Triple 4 x 4 x 2/3, 2 Studs Black Part 45677 Element 4191191 ×1
  • Equipment Camera with Side Sight [aka Space Gun] Black Part 4360 Element 436026 ×1
  • Plate 1 x 4 Black Part 3710 Element 371026 ×2
  • Plate 2 x 4 Black Part 3020 Element 302026 ×2
  • Plate Special 1 x 2 with Bar Up [Horizontal Arm 5mm] Black Part 88072 Element 6261348 or 4569733 ×2
  • Plate Special 1 x 2 with Clips Horizontal [Open O Clips] Black Part 60470b Element 6310268 or 4556158 ×1
  • Plate Special 2 x 16 with Angled Side Extensions and Hole (Rotor Blade) Black Part 62743 Element 4527604 ×4
  • Propeller 3 Blade 9 Diameter Black Part 30332 Element 4142731 ×1
  • Propeller 4 Blade 5 Diameter with Rounded Ends, Open Hub Black Part 2479 Element 247926 ×1
  • String with End Studs and Minifig Grips 21L Black Part 14210 Element 6096958 or 6037449 ×1
  • Tyre 14 x 4 Smooth Small Single [New Style] Black Part 59895 Element 4516843 or 4507700 ×6
  • Tyre 17.5 x 6 with Shallow Staggered Treads Black Part 51011 Element 4515290 or 4239237 ×4
  • Wheel Arch, Mudguard 4 x 2 1/2 x 2 with 2 x 2 Plate Black Part 50745 Element 4260488 ×4

Blue 34 pieces

  • Aircraft Fuselage Curved Aft Section 6 x 10 Bottom Blue Part 87616 Element 4565423 ×1
  • Aircraft Fuselage Curved Forward 6 x 10 Bottom Blue Part 87611 Element 4565421 ×1
  • Brick Sloped Inverted 45° 6 x 4 Double with 4 x 4 Recessed and 3 Holes Blue Part 60219 Element 4570200 or 4163532 ×1
  • Plate 1 x 3 Blue Part 3623 Element 362323 ×7
  • Plate 2 x 12 Blue Part 2445 Element 244523 ×1
  • Plate 2 x 2 Blue Part 3022 Element 4613973 or 302223 ×9
  • Plate 2 x 3 Blue Part 3021 Element 302123 ×5
  • Plate 4 x 12 Blue Part 3029 Element 4528850 or 4166870 ×1
  • Plate Special 1 x 1 with Clip Vertical [Thick Open O Clip] Blue Part 60897 Element 6352221 or 4613257 ×8

Dark Bluish Gray 31 pieces

  • Brick Arch 1 x 6 Raised Arch Dark Bluish Gray Part 92950 Element 4620760 ×2
  • Brick Sloped 18° 2 x 1 x 2/3 with 4 Slots / Grate Dark Bluish Gray Part 61409 Element 4540386 or 4521185 ×5
  • Brick Sloped 45° 2 x 2 Dark Bluish Gray Part 3039 Element 4211054 ×6
  • Brick Special 2 x 4, with 2 x 2 Brick with Top Pin and 1 x 2 Side Plates Dark Bluish Gray Part 30592 Element 6301436 or 6278507 ×1
  • Brick Wedged, Sloped 45° 4 x 2 Left Dark Bluish Gray Part 43721 Element 4298580 or 4210870 ×2
  • Brick Wedged, Sloped 45° 4 x 2 Right Dark Bluish Gray Part 43720 Element 4298583 or 4210871 ×2
  • Engine / Air Scoop 2 x 2 Dark Bluish Gray Part 50943 Element 4502068 or 4278424 ×1
  • Engine, Smooth Small, 1 x 2 Side Plate with Axle Holders and Slot Dark Bluish Gray Part 98302 Element 6107171 or 4660877 ×2
  • Equipment Weapon, Loudhailer / Speaker / Blaster / Space Gun Dark Bluish Gray Part 4349 Element 4210698 ×1
  • Plate 2 x 12 Dark Bluish Gray Part 2445 Element 4211067 ×2
  • Plate 2 x 2 Corner Dark Bluish Gray Part 2420 Element 4210635 ×1
  • Plate Special 1 x 1 with Clip Horizontal [Thick Open O Clip] Dark Bluish Gray Part 61252 Element 6360111 or 4579354 ×1
  • Plate Special 2 x 2 with 1 Pin Hole [Split Underside Ribs] Dark Bluish Gray Part 2444 Element 4196768 ×1
  • Vehicle Base 4 x 10 x 2/3 with 2 x 2 Recessed Center with Smooth Underside, 1 x 2 Cutouts, No Center Hole Dark Bluish Gray Part 4212b ×1
  • Wedge Plate 2 x 4 Dark Bluish Gray Part 51739 Element 4527082 ×1
  • Wedge Plate 3 x 4 with Stud Notches Dark Bluish Gray Part 48183 Element 4240014 or 4215981 ×1
  • Wedge Plate 6 x 3 Left Dark Bluish Gray Part 54384 Element 4290149 ×1

Light Bluish Gray 31 pieces

  • Plate 2 x 4 Light Bluish Gray Part 3020 Element 4211395 ×2
  • Plate Special 1 x 2 with Door Rail Light Bluish Gray Part 32028 Element 4211568 ×4
  • Plate Special 2 x 2 with Wheels Holder Wide - Technic Pins Light Bluish Gray Part 47720 Element 4529120 or 4219243 ×2
  • Technic Brick 1 x 14 [13 Pin Holes] Light Bluish Gray Part 32018 Element 4211705 ×2
  • Technic Pin with Dual Wheels Holder Light Bluish Gray Part 61483 Element 6331440 or 4519013 ×1
  • Technic Pin without Friction Ridges Lengthwise Light Bluish Gray Part 3673 Element 4211807 or 3673194 1 spare in the box ×1
  • Tile 1 x 2 with Red 82, Yellow and White Gauges Print Light Bluish Gray Part 3069bpr0101 Element 4227776 ×1
  • Tile Round 2 x 2 with Fine Mesh Grill Print Light Bluish Gray Part 4150pr0022 Element 4221881 ×1
  • Tile Special 1 x 2 Grille with Bottom Groove Light Bluish Gray Part 2412b Element 4211350 ×5
  • Wheel 11 x 8 with Center Groove Light Bluish Gray Part 42610 Element 4211758 ×4
  • Wheel 8 x 6 Light Bluish Gray Part 4624 Element 4211506 ×6
  • Wheel Holder 2 x 2 Thin with Split Wheel Clip Pins Light Bluish Gray Part 4870 Element 6510631 or 6296797 ×2

Yellow 21 pieces

  • Bar 4L (Lightsaber Blade / Wand) Yellow Part 30374 Element 6116606 or 4193511 ×4
  • Brick 1 x 1 Yellow Part 3005 Element 300524 ×2
  • Brick 1 x 4 Yellow Part 3010 Element 301024 ×1
  • Brick Sloped 45° 2 x 4 Yellow Part 3037 Element 4219911 or 303724 ×1
  • Panel 1 x 4 x 1 with Rounded Corners [Thick Wall] Yellow Part 43337 Element 6078611 or 4239160 ×4
  • Plate 1 x 2 Yellow Part 3023 Element 302324 ×1
  • Plate 1 x 4 Yellow Part 3710 Element 371024 ×2
  • Seat / Chair 2 x 2 with Center Sprue Mark Yellow Part 4079b Element 407924 ×2
  • Technic Axle Connector with Axle Hole Yellow Part 32039 Element 4107800 or 3203924 ×1
  • Tile 1 x 4 with Groove Yellow Part 2431 Element 243124 ×3

Trans-Light Blue 9 pieces

  • Glass for Aircraft Fuselage Curved Forward 6 x 10 Top Trans-Light Blue Part 87612 Element 6273457 or 4567994 ×1
  • Glass for Window 1 x 2 x 2 Flat Trans-Light Blue Part 60601 Element 6524698 or 6514137 ×8

Red 5 pieces

  • Brick 1 x 2 Red Part 3004 Element 4613961 or 300421 ×2
  • Equipment Cup / Mug [Plain] Red Part 3899 Element 389921 ×1
  • Seat / Chair 2 x 2 with Center Sprue Mark Red Part 4079b Element 407921 ×1
  • Steering Stand 1 x 2 with Black Steering Wheel Red Part 3829c01 Element 9552 ×1

Trans-Red 5 pieces

  • Plate 1 x 2 Trans-Red Part 3023 Element 6514003 or 6240212 ×1
  • Plate Round 1 x 1 with Solid Stud Trans-Red Part 6141 Element 6514051 or 6208450 2 spares in the box ×2
  • Tile 1 x 1 with Groove Trans-Red Part 3070b Element 6581817 or 6254248 1 spare in the box ×2

Trans-Yellow 5 pieces

  • Plate Round 1 x 1 with Solid Stud Trans-Yellow Part 6141 Element 6514056 or 6240216 1 spare in the box ×2
  • Plate Round 2 x 2 with Rounded Bottom [Boat Stud] Trans-Yellow Part 2654 Element 6581773 or 6171728 ×1
  • Tile 1 x 1 with Groove Trans-Yellow Part 3070b Element 6636668 or 6088721 1 spare in the box ×2

Trans-Clear 3 pieces

  • Plate Round 1 x 1 with Solid Stud Trans-Clear Part 6141 Element 6514052 or 6240030 1 spare in the box ×3

Green 1 piece

  • Tile 1 x 2 with '100' Banknote Print Green Part 3069bpr0100 Element 4295260 or 82317 ×1

Trans-Brown 1 piece

  • Windscreen 3 x 4 x 1 1/3 Large Glass Surface Trans-Brown Part 57783 Element 6507931 or 6247359 ×1

Trans-Dark Blue 1 piece

  • Plate Round 1 x 1 with Solid Stud Trans-Dark Blue Part 6141 Element 6514055 or 6240214 1 spare in the box ×1

Trans-Green 1 piece

  • Plate Round 1 x 1 with Solid Stud Trans-Green Part 6141 Element 6514057 or 6240221 1 spare in the box ×1

[No Color/Any Color] 1 piece

  • Sticker Sheet for Set 3658-1 [No Color/Any Color] Part 94736 Element 4616401 ×1

Minifigures 4 figures

  • Criminal, Prison Shirt with #50380, Dark Bluish Gray Legs, Dark Bluish Gray Hat, Gold Tooth Minifigure, checked as a whole figure ×1
  • Policeman, Black Jacket with Zipper, Radio, Badge, and 'POLICE' on Back, White Helmet with Visor Minifigure, checked as a whole figure ×1
  • Policeman, Black Jacket with Zipper, Radio, Badge, and 'POLICE' on Back, White Cap (3626b Head) Minifigure, checked as a whole figure ×1
  • Policeman, Black Jacket with Pocket and Badge, White Hat, Open Mouth Minifigure, checked as a whole figure ×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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