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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.

Bumblebee Helicopter

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41234 Bumblebee Helicopter

137 pieces in 69 part and color combinations, plus 1 minifigure.

The official piece count includes the 5 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

Dark Bluish Gray 24 pieces

  • Bar 1L with Clip [Cut Edges and One Side Hole] [Gap in Clip] Dark Bluish Gray Part 48729b Element 6278155 or 4579234 1 spare in the box ×1
  • Brick Curved 2 x 2 x 2/3 Dark Bluish Gray Part 15068 Element 6071261 ×1
  • Brick Sloped 30° 1 x 2 x 2/3 Dark Bluish Gray Part 85984 Element 4567887 ×2
  • Hinge Train Gate 2 x 4 Locking Dual 2 Fingers without Rear Reinforcements, 7 Teeth Dark Bluish Gray Part 92092 Element 6301930 or 4611708 ×1
  • Jet Engine Fan with 10 Blades and Technic Pin Dark Bluish Gray Part 46667 Element 6313484 or 6100596 ×1
  • Launcher Trigger, Weapon Gun Trigger Dark Bluish Gray Part 15392 Element 6051334 1 spare in the box ×3
  • Plate 1 x 4 Dark Bluish Gray Part 3710 Element 4211001 ×2
  • Plate 2 x 3 Dark Bluish Gray Part 3021 Element 4211043 ×1
  • Plate 2 x 4 Dark Bluish Gray Part 3020 Element 4211065 ×2
  • Plate Round Corner 3 x 3 Dark Bluish Gray Part 30357 Element 4212075 ×2
  • Plate Special 1 x 2 with Handle on End [Closed Ends] Dark Bluish Gray Part 60478 Element 4521187 ×4
  • Technic Axle and Pin Connector Angled #4 - 135° Dark Bluish Gray Part 32192 Element 6262899 or 4210688 ×2
  • Tile 1 x 2 with Groove Dark Bluish Gray Part 3069b Element 4211052 ×2

White 24 pieces

  • Brick Sloped Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes] White Part 3660 Element 366001 ×3
  • Brick Special 1 x 1 Studs on 4 Sides White Part 4733 Element 4111971 or 473301 ×2
  • Brick Special 1 x 2 with 2 Studs on 1 Side White Part 11211 Element 6550150 or 6058177 ×2
  • Launcher, Weapon Gun / Blaster / Shooter Mini White Part 15391 Element 6076599 ×1
  • Panel 1 x 2 x 1 [Square Corners] White Part 4865a Element 486501 ×2
  • Plate 1 x 2 White Part 3023 Element 6552100 or 6548261 ×3
  • Plate 1 x 4 White Part 3710 Element 6552108 or 6548266 ×1
  • Plate 2 x 2 Corner White Part 2420 Element 6548254 or 242051 ×2
  • Plate Special 1 x 2 Side Handle [Free Ends] White Part 2540 Element 4140583 or 254051 ×1
  • Plate Special 1 x 2, Top Clip [Split] White Part 92280 Element 4598527 ×2
  • Technic Brick 1 x 2 with Axle Hole Type 1 [+ Opening] and Bottom Pin White Part 32064a Element 6548286 or 6178921 ×3
  • Technic Cylinder 4 x 4 with Pin Holes and Centre Bar, Closed Sides on Bar White Part 41531 Element 6297272 or 4289534 ×1
  • Technic Pin Connector Round [Slotted] White Part 62462 Element 6550164 or 6173116 ×1

Light Bluish Gray 21 pieces

  • Box 2 x 2 x 2 [Hollow Studs] Light Bluish Gray Part 4345b Element 4211491 ×2
  • Bracket 1 x 2 - 1 x 2 Light Bluish Gray Part 99781 Element 4654582 ×1
  • Bracket 1 x 2 - 2 x 2 Inverted Light Bluish Gray Part 99207 Element 4654580 ×4
  • Brick Special 1 x 4 with 4 Studs on One Side Light Bluish Gray Part 30414 Element 4211636 ×2
  • Hinge Plate 1 x 4 Locking Dual 1 Finger Light Bluish Gray Part 44568 Element 6276045 or 4211840 ×2
  • Panel 1 x 2 x 2 [Side Supports / Hollow Studs] Light Bluish Gray Part 87552 Element 4593679 ×2
  • Plate 2 x 2 Light Bluish Gray Part 3022 Element 4211397 ×1
  • Plate 2 x 2 Corner Light Bluish Gray Part 2420 Element 4211353 ×2
  • Plate Special 1 x 2 [Side Handle Closed Ends] Light Bluish Gray Part 48336 Element 4244627 ×2
  • Plate Special 1 x 2 with Clip Horizontal on End Light Bluish Gray Part 63868 Element 6319336 or 4535738 ×2
  • Wedge Plate 2 x 4 Light Bluish Gray Part 51739 Element 4507056 or 4252368 ×1

Bright Light Orange 9 pieces

  • Brick Curved 2 x 2 x 2/3 Bright Light Orange Part 15068 Element 6099730 ×4
  • Plate 1 x 4 Bright Light Orange Part 3710 Element 6020073 ×1
  • Plate 2 x 2 Bright Light Orange Part 3022 Element 6003033 or 4645047 ×2
  • Plate 2 x 3 Bright Light Orange Part 3021 Element 6097503 or 4645048 ×2

Trans-Red 9 pieces

  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Trans-Red Part 54200 Element 6245252 or 4244363 1 spare in the box ×6
  • Rock 1 x 1 Crystal 5 Point Trans-Red Part 30385 Element 6507863 or 6236961 ×2
  • Rock 1 x 1 Jewel / Gem 24 Facet Trans-Red Part 30153 Element 6513969 or 6247785 ×1

Red 8 pieces

  • Plate Special 1 x 1 with Clip Vertical [Thick Open O Clip] Red Part 60897 Element 6337002 or 4588003 ×4
  • Technic Axle 2 Notched Red Part 32062 Element 4142865 ×2
  • Tile 1 x 1 with Face with Angry Eyes and Bared Teeth (Kryptomite) Print Red Part 3070bpr0174 Element 6174893 1 spare in the box ×2

Black 7 pieces

  • Grille / Spoiler with 1 x 2 Plate, 2 x 2 Anti-studs (Racers Car) Black Part 50949 Element 4504187 ×2
  • Launcher, Plate Special 1 x 2 with Mini Blaster Black Part 15403 Element 6102734 ×2
  • Propeller 3 Blade 9 Diameter with Pin Hole, Recessed Center Black Part 15790 Element 6055123 ×2
  • Technic Pin with Friction Ridges Lengthwise and Center Slots Black Part 2780 Element 4121715 or 278026 1 spare in the box ×1

Medium Azure 6 pieces

  • Brick Curved 2 x 1 No Studs [1/2 Bow] Medium Azure Part 11477 Element 6603334 or 6071246 ×2
  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Medium Azure Part 54200 Element 6603283 or 4619520 1 spare in the box ×2
  • Tile Round 2 x 2 with Bumblebee with Shiny Orange Body and Yellow Wings on Dotted Background Print Medium Azure Part 14769pr1062 Element 6174222 ×2

Trans-Orange 6 pieces

  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Trans-Orange Part 54200 Element 6245265 or 4244369 1 spare in the box ×2
  • Plate Round 1 x 1 with Solid Stud Trans-Orange Part 6141 Element 6514059 or 6240227 1 spare in the box ×4

Green 4 pieces

  • Plate 1 x 2 Green Part 3023 Element 302328 ×2
  • Tile 2 x 4 with Groove Green Part 87079 Element 4566179 ×2

Trans-Light Blue 4 pieces

  • Plate Round 1 x 1 with Solid Stud Trans-Light Blue Part 6141 Element 6514058 or 6240225 1 spare in the box ×4

Trans-Clear 3 pieces

  • Box 2 x 2 x 2 Door with Slot Trans-Clear Part 4346 Element 6499105 or 6247357 ×2
  • Windscreen 6 x 6 x 3 Canopy Half Sphere with Dual 2 Fingers Trans-Clear Part 50747 Element 4624369 or 4530764 ×1

Trans-Neon Green 3 pieces

  • Rock 1 x 1 Crystal 5 Point Trans-Neon Green Part 30385 Element 6170290 or 4540417 ×1
  • Rock 1 x 1 Jewel / Gem 24 Facet Trans-Neon Green Part 30153 Element 6247790 or 4114505 ×2

Tan 2 pieces

  • Technic Axle Pin without Friction Ridges Lengthwise Tan Part 3749 Element 4666579 or 4186017 ×2

Trans-Bright Green 2 pieces

  • Plate Round 1 x 1 with Solid Stud Trans-Bright Green Part 6141 Element 6514053 or 6240206 1 spare in the box ×2

Trans-Dark Pink 2 pieces

  • Plate Round 1 x 1 with Solid Stud Trans-Dark Pink Part 6141 Element 6514060 or 6240230 1 spare in the box ×2

Blue 1 piece

  • Technic Axle Pin with Friction Ridges Lengthwise Blue Part 43093 Element 4309323 or 4206482 ×1

Yellow 1 piece

  • Zipline, 22L with 2 Connectors - Flexible Yellow Part 27965 Element 6200549 or 6177333 ×1

[No Color/Any Color] 1 piece

  • Sticker Sheet for Set 41234-1 [No Color/Any Color] Part 30911 Element 6178032 ×1

Minifigures 1 figure

  • Bumblebee 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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