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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.

The Joker Balloon Escape

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70900 The Joker Balloon Escape

112 pieces in 70 part and color combinations, plus 2 minifigures.

The official piece count includes the 12 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

Light Bluish Gray 16 pieces

  • Brick 1 x 2 Light Bluish Gray Part 3004 Element 4211388 ×1
  • Brick Special 1 x 2 with Vertical Clip [Open O Clip] Light Bluish Gray Part 30237b Element 6320297 or 4641682 ×1
  • Dish 2 x 2 Inverted [Radar] Light Bluish Gray Part 4740 Element 4211512 ×2
  • Plate 2 x 2 Light Bluish Gray Part 3022 Element 4211397 ×1
  • Plate 4 x 8 Light Bluish Gray Part 3035 Element 4211407 ×1
  • Plate Special 1 x 1 with Clip Vertical [Thick Open O Clip] Light Bluish Gray Part 60897 Element 6296894 or 4613956 ×6
  • Plate Special 2 x 4 with 2 Pin Holes Light Bluish Gray Part 26599 Element 6176242 ×1
  • Steering Wheel Small, 2 x 2 [Reinforced] Light Bluish Gray Part 16091 Element 6092956 or 6061697 ×1
  • Tile Special 1 x 2 Grille with Bottom Groove Light Bluish Gray Part 2412b Element 4211350 ×1
  • Tile Special 1 x 2 with Sloped Walls AKA Money / Gold Bar [Ingot] Light Bluish Gray Part 99563 Element 6134378 or 6034045 ×1

White 16 pieces

  • Bar 4L (Lightsaber Blade / Wand) White Part 30374 Element 6116602 or 4129836 ×3
  • Bar 6L with Stop Ring White Part 63965 Element 6170419 or 6081986 ×2
  • Bar Holder with Clip White Part 11090 Element 6341465 or 6136789 ×5
  • Cylinder Half 2 x 4 x 4 White Part 6259 Element 6106024 or 4163987 ×2
  • Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) White Part 4032a Element 6601914 or 403201 ×1
  • Tile 1 x 2 with Groove White Part 3069b Element 6548264 or 306901 ×2
  • Tile Round 2 x 2 with Clock Print White Part 14769pr0001 Element 6052201 ×1

Black 15 pieces

  • Bracket 1 x 2 - 1 x 2 Black Part 99781 Element 6016172 ×1
  • Brick Special 1 x 2 x 2/3 with Studs on Sides Black Part 4595 Element 6681661 or 4523339 ×1
  • Equipment Paint Roller Brush Handle Smooth Handle Black Part 34076 Element 6192778 ×2
  • Plate 1 x 2 Black Part 3023 Element 302326 ×1
  • Plate Round 1 x 1 with Solid Stud Black Part 6141 Element 614126 1 spare in the box ×2
  • Plate Special 1 x 1 with Clip Horizontal [Thick Open O Clip] Black Part 61252 Element 6308000 or 4517925 ×1
  • Plate Special 1 x 2 with Angled Handles on Side Black Part 92692 Element 4604304 ×2
  • String with End Studs 11L Overall Black Part 14226c11 Element 6096955 or 6037558 1 spare in the box ×1
  • Technic Axle 2 Notched Black Part 32062 Element 4109810 or 3206226 ×3
  • Weapon Gun / Blaster with Hollow Studs on Sides and Inside Axle Holder Black Part 24144 Element 6134781 ×1

Dark Bluish Gray 13 pieces

  • Bracket 1 x 2 - 1 x 2 Inverted Dark Bluish Gray Part 99780 Element 6000606 ×1
  • Brick Special 1 x 1 Studs on 4 Sides Dark Bluish Gray Part 4733 Element 4210700 ×1
  • Brick Special 1 x 2 with Pin Dark Bluish Gray Part 2458 Element 4211087 ×2
  • 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 8 Dark Bluish Gray Part 3034 Element 4210997 ×1
  • Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) Dark Bluish Gray Part 4032a Element 4211042 ×1
  • Plate Special 1 x 1 with Clip Light, Bar Hole [Thick Ring] Dark Bluish Gray Part 4081b Element 6281996 or 4632574 ×2
  • Technic Plate 2 x 4 [3 Holes] Dark Bluish Gray Part 3709 Element 4227398 ×1
  • Tool Grappling Hook Dark Bluish Gray Part 30192 Element 6270008 or 4211079 ×1

Yellow 11 pieces

  • Bar 1 x 4 x 2 Yellow Part 6187 Element 6145160 or 4107090 ×1
  • Brick Round 2 x 2 Dome Top, Hollow Stud Yellow Part 30367c Element 4216656 ×2
  • Brick Round 2 x 2 x 1 1/3 Inverted Yellow Part 24947 Element 6145704 ×2
  • Plate 2 x 2 Yellow Part 3022 Element 4613978 or 302224 ×1
  • Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper) Yellow Part 15573 Element 6092583 ×2
  • Tile 1 x 4 with Groove Yellow Part 2431 Element 243124 ×2
  • Tile 2 x 4 with Groove Yellow Part 87079 Element 6388490 or 4560181 ×1

Red 9 pieces

  • Brick Round 1 x 1 diameter Tube with 90 Degree Elbow (2 x 2 x 1) and Axle Holes (Crossholes) at each end Red Part 25214 Element 6176298 ×2
  • Brick Round 2 x 2 Dome Top, Hollow Stud Red Part 30367c Element 4216657 ×2
  • Brick Round 2 x 2 x 1 1/3 Inverted Red Part 24947 Element 6143596 ×2
  • Equipment Dynamite Sticks Red Part 64728 Element 6270088 or 4538780 ×2
  • Technic Axle and Pin Connector Angled #2 - 180° Red Part 32034 Element 6351572 or 4234429 ×1

Tan 6 pieces

  • Brick Sloped 30° 1 x 2 x 2/3 Tan Part 85984 Element 4624086 ×1
  • Brick Special 1 x 1 with Studs on 2 Sides Tan Part 47905 Element 4213568 ×2
  • Tile 2 x 2 with Groove Tan Part 3068b Element 4185177 or 4114002 ×1
  • Tile Special 1 x 2 Grille with Bottom Groove Tan Part 2412b Element 4124456 or 393305 ×2

Blue 5 pieces

  • Brick Round 2 x 2 Dome Top, Hollow Stud Blue Part 30367c Element 6167491 or 4265690 ×1
  • Brick Round 2 x 2 x 1 1/3 Inverted Blue Part 24947 Element 6451481 or 6167492 ×1
  • Technic Pin 1/2 without Friction Ridges Blue Part 4274 Element 4143005 1 spare in the box ×1
  • Tile Round 1 x 1 Blue Part 98138 Element 6284575 or 6009460 1 spare in the box ×2

Flat Silver 4 pieces

  • Plate Round 1 x 1 with Solid Stud Flat Silver Part 6141 Element 4633691 1 spare in the box ×2
  • Weapon Gun Ray / Sci Fi - Rounded Heat Diffusers Flat Silver Part 13608 Element 6046398 ×2

Lime 4 pieces

  • Plate Special 2 x 2 with Groove and Center Stud (Jumper) Lime Part 87580 Element 6056291 ×1
  • Tile Round 1 x 1 Lime Part 98138 Element 6284583 or 6057878 1 spare in the box ×2
  • Tile Special Round 2 x 2 with Hole Lime Part 15535 Element 6167483 ×1

Trans-Neon Green 4 pieces

  • Brick Round 1 x 1 Open Stud Trans-Neon Green Part 3062b Element 6514237 or 6238675 ×4

Sand Green 3 pieces

  • Brick 1 x 1 Sand Green Part 3005 Element 4521948 or 4517507 ×2
  • Brick 2 x 4 Sand Green Part 3001 Element 6075626 or 4642412 ×1

Trans-Orange 2 pieces

  • Wave / Flame Rounded with Base Rim Trans-Orange Part 6126b Element 6167741 or 4261397 ×2

Trans-Clear 1 piece

  • Plate 1 x 2 Trans-Clear Part 3023 Element 6514001 or 6240204 ×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

Trans-Red 1 piece

  • Plate Round 1 x 1 with Solid Stud Trans-Red Part 6141 Element 6514051 or 6208450 1 spare in the box ×1

[No Color/Any Color] 1 piece

  • Sticker Sheet for Set 70900-1 [No Color/Any Color] Part 29677 Element 6174920 ×1

Minifigures 2 figures

  • Batman, Black Suit, Black Cape and Cowl, Utility Belt (3626cpr9996 Head) Minifigure, checked as a whole figure ×1
  • The Joker with Long Coattails with Neck Bracket 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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