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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 Hulk Buster Smash

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76031 The Hulk Buster Smash

229 pieces in 84 part and color combinations, plus 4 minifigures.

LEGO counts 248 pieces. This inventory comes from a separate parts catalog and lists 249, including the 20 parts inside the minifigures; the two do not always count the same elements, so their totals differ. 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.

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.

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Piece checklist

Black 60 pieces

  • Bar 4L (Lightsaber Blade / Wand) Black Part 30374 Element 6116604 or 4140303 ×2
  • Bracket 1 x 2 - 1 x 2 Black Part 99781 Element 6016172 ×4
  • Bracket 1 x 2 - 2 x 2 Inverted Black Part 99207 Element 6000650 ×4
  • Hinge Brick 2 x 2 Top Plate Thin Black Part 6134 Element 4124096 or 613426 ×2
  • Large Figure Skeletal, Limb, 5L with Ball Joint on Axle and Ball Socket Black Part 90609 Element 4593555 ×2
  • Launcher, Plate Special 1 x 2 with Mini Blaster Black Part 15403 Element 6102734 ×2
  • Plate 1 x 2 Black Part 3023 Element 302326 ×8
  • Plate 1 x 4 Black Part 3710 Element 371026 ×4
  • Plate 2 x 14 Black Part 91988 Element 6001494 ×1
  • Plate 2 x 2 Corner Black Part 2420 Element 242026 ×1
  • Plate 2 x 4 Black Part 3020 Element 302026 ×2
  • Plate Round 2 x 2 with Rounded Bottom [Boat Stud] Black Part 2654 Element 4617551 or 4278359 ×3
  • Plate Special 1 x 2 Side Handle [Free Ends] Black Part 2540 Element 4140588 or 254026 Also in Dark Bluish Gray ×2
  • Plate Special 1 x 2 with Handle on End [Closed Ends] Black Part 60478 Element 4515368 ×6
  • Plate Special 1 x 2, Top Clip [Split] Black Part 92280 Element 4598528 ×2
  • Plate Special 2 x 2 with 2 Pin Holes Black Part 2817 Element 281726 ×2
  • Technic Ball Joint with Through Axle Hole Black Part 53585 Element 4286267 ×2
  • Technic Brick 1 x 6 [5 Pin Holes] Black Part 3894 Element 389426 ×2
  • Technic Brick Special 2 x 2 with Ball Socket Wide and Axle Hole Black Part 92013 Element 4619763 ×6
  • Wedge Plate 3 x 6 Cut Corners Black Part 2419 Element 241926 ×1
  • Wedge Plate 4 Stud 45° Angle Plate Black Part 15706 Element 6054852 ×2

Dark Red 54 pieces

  • Arm Mechanical with Clip [Thick Support] Dark Red Part 98313 Element 6276866 or 6006738 ×8
  • Brick 1 x 2 Dark Red Part 3004 Element 4539102 or 4163454 ×1
  • Brick Curved 1 x 2 x 1 1/3 with Curved Top Dark Red Part 6091 Element 6411330 or 4539082 ×4
  • Brick Curved 2 x 2 with Lip, No Studs Dark Red Part 30602 Element 6039200 or 4585515 ×8
  • Brick Curved 2 x 2 x 2/3 Dark Red Part 15068 Element 6107758 ×5
  • Brick Sloped 30° 1 x 2 x 2/3 Dark Red Part 85984 Element 6083977 ×4
  • Brick Sloped 45° 2 x 1 with Bottom Pin Dark Red Part 3040b Element 4541526 or 4209500 ×2
  • Brick Sloped Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes] Dark Red Part 3660 Element 6052917 or 4541512 ×2
  • Flag 2 x 2 Trapezoid with Flat Area between Clips Dark Red Part 44676 Element 6107761 or 6056645 ×2
  • Large Figure Limb Cover, Size 5, Armor with Ball Joint Socket Dark Red Part 90639 Element 6014047 ×2
  • Plate 1 x 2 Dark Red Part 3023 Element 4539097 or 4162582 ×5
  • Plate 2 x 2 Dark Red Part 3022 Element 4585479 or 4163160 ×4
  • Plate Special 2 x 2 with Groove and Center Stud (Jumper) Dark Red Part 87580 Element 4613761 ×1
  • Plate Special 3 x 2 with Rounded End, Hole Dark Red Part 3176 Element 4568753 or 4217788 ×5
  • Windscreen 4 x 4 x 1 2/3 Canopy Half Sphere with Handle and Hulk Buster Face Print Dark Red Part 18990pr0001 Element 6107886 ×1

Dark Bluish Gray 31 pieces

  • Bracket 1 x 2 - 1 x 2 Inverted Dark Bluish Gray Part 99780 Element 6000606 ×5
  • Brick 2 x 2 Dark Bluish Gray Part 3003 Element 4211060 ×2
  • Brick Curved 4 x 1 Double, No Studs Dark Bluish Gray Part 93273 Element 4648256 ×2
  • Brick Sloped 45° 2 x 2 Dark Bluish Gray Part 3039 Element 4211054 ×3
  • Hinge Brick 1 x 2 Base Dark Bluish Gray Part 3937 Element 4211066 ×2
  • Launcher Trigger, Weapon Gun Trigger Dark Bluish Gray Part 15392 Element 6051334 ×2
  • Plate 2 x 6 Dark Bluish Gray Part 3795 Element 4211002 ×1
  • Plate Special 1 x 2 Side Handle [Free Ends] Dark Bluish Gray Part 2540 Element 4210660 Also in Black ×2
  • Technic Axle 4 with Stop Dark Bluish Gray Part 87083 Element 6083620 or 4560177 ×2
  • Technic Beam 3 x 3 L-Shape with Quarter Ellipse Thin Dark Bluish Gray Part 32249 Element 6590060 or 6336745 ×2
  • Technic Brick 1 x 2 [1 Pin Hole] Dark Bluish Gray Part 3700 Element 4211111 ×2
  • Technic Brick Special 2 x 2 with Ball and Axle Hole, with 6 Holes in Ball Dark Bluish Gray Part 57909b Element 4497253 ×4
  • Tile Special 2 x 2 Inverted Dark Bluish Gray Part 11203 Element 6013082 ×2

Trans-Light Blue 30 pieces

  • Arm Skeleton [Bent / 2 Clips] Trans-Light Blue Part 93609 Element 6146092 or 6107760 ×2
  • Brick Round 1 x 1 Open Stud Trans-Light Blue Part 3062b Element 6514238 or 6238677 ×10
  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Trans-Light Blue Part 54200 Element 6245277 or 6073445 ×3
  • Dish 2 x 2 Inverted [Radar] Trans-Light Blue Part 4740 Element 6580378 or 6245307 ×1
  • Plate 1 x 2 Trans-Light Blue Part 3023 Element 6514007 or 6240222 ×2
  • Plate Round 1 x 1 with Solid Stud Trans-Light Blue Part 6141 Element 6514058 or 6240225 ×8
  • Plate Round 2 x 2 with Rounded Bottom [Boat Stud] Trans-Light Blue Part 2654 Element 6581775 or 6171733 ×2
  • Tool Saw with Handle and Tooth Trans-Light Blue Part 11601 Element 6021974 ×2

Light Bluish Gray 18 pieces

  • Bracket 1 x 2 - 2 x 2 Light Bluish Gray Part 44728 Element 6117967 or 6009014 ×2
  • Brick Sloped 65° 2 x 2 x 2 with Bottom Tube Light Bluish Gray Part 3678b Element 4234535 or 4215353 ×3
  • Flag 5 x 6 Hexagonal with U Clips Light Bluish Gray Part 17979 Element 6265675 or 6078293 ×2
  • Plate 2 x 10 Light Bluish Gray Part 3832 Element 4211462 ×2
  • Plate 2 x 3 Light Bluish Gray Part 3021 Element 4211396 ×2
  • Plate Special 1 x 2 with Clip Horizontal on End Light Bluish Gray Part 63868 Element 6319336 or 4535738 ×2
  • Plate Special 1 x 2 with Clips Horizontal [Open O Clips] Light Bluish Gray Part 60470b Element 6337268 or 4556157 ×2
  • Technic Axle 3 Light Bluish Gray Part 4519 Element 4211815 ×2
  • Technic Pin without Friction Ridges Lengthwise Light Bluish Gray Part 3673 Element 4211807 or 3673194 ×1

Pearl Gold 14 pieces

  • Bar Holder with Clip Pearl Gold Part 11090 Element 6252838 or 6078364 ×2
  • Brick Curved 2 x 2 x 2/3 Two Studs and Curved Slope End Pearl Gold Part 47457 Element 4286597 ×3
  • Plate Round 1 x 1 with Solid Stud Pearl Gold Part 6141 Element 4523159 ×5
  • Plate Special 1 x 2 [Side Handle Closed Ends] Pearl Gold Part 48336 Element 4585493 ×1
  • Tile Special 1 x 2 Grille with Bottom Groove Pearl Gold Part 2412b Element 4490599 ×3

Trans-Red 6 pieces

  • Brick Round 1 x 1 Open Stud Trans-Red Part 3062b Element 6514235 or 6238673 ×3
  • Plate Round 1 x 1 with Solid Stud Trans-Red Part 6141 Element 6514051 or 6208450 ×3

White 4 pieces

  • Plate Special 1 x 2 with Pin Hole on Top White Part 11458 Element 6632146 or 6057414 ×1
  • Technic Axle and Pin Connector Angled #1 White Part 32013 Element 6332573 or 4118981 ×1
  • Tile 1 x 3 White Part 63864 Element 6552134 or 6548270 ×2

Dark Tan 3 pieces

  • Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper) Dark Tan Part 15573 Element 6092591 ×3

Reddish Brown 3 pieces

  • Plate 2 x 4 Reddish Brown Part 3020 Element 4211186 ×2
  • Tile 2 x 4 with Groove Reddish Brown Part 87079 Element 4579690 ×1

Tan 2 pieces

  • Technic Gear 12 Tooth Bevel Tan Part 6589 Element 4565452 or 4514556 ×2

Trans-Clear 2 pieces

  • Bar 1 x 12 with 1 x 2 Plate End with Hollow Studs and 1 x 1 Round Plate End Trans-Clear Part 99784 Element 6010687 ×1
  • Launcher, Minifig Stand Flexible (Super Jumper) Trans-Clear Part 18663 Element 6167835 or 6093683 ×1

[No Color/Any Color] 2 pieces

  • Comic Book, Super Heroes, Marvel, Avengers Age of Ultron (6119054 / 6119055) [No Color/Any Color] Part 6119054 Element 6119054 ×1
  • Sticker Sheet for Set 76031-1 [No Color/Any Color] Part 20676 Element 6107982 or 6107981 ×1

Minifigures 4 figures

  • Hulk (Big Fig), Black Hair, Dark Purple Pants with Print Minifigure, checked as a whole figure ×1
  • Iron Man Mark 43 Armor Minifigure, checked as a whole figure ×1
  • Ultron Prime Minifigure, checked as a whole figure ×1
  • Scarlet Witch with Dark Red Jacket over Black Dress 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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