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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.

Batman Mech vs. Poison Ivy Mech

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76117 Batman Mech vs. Poison Ivy Mech

376 pieces in 166 part and color combinations, plus 4 minifigures.

LEGO counts 375 pieces. This inventory comes from a separate parts catalog and lists 394, including the 18 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.

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Piece checklist

Plates Special 60 pieces

  • Bracket 1 x 2 - 1 x 2 Black Part 99781 Element 6016172 ×2
  • Bracket 1 x 2 - 2 x 2 Inverted Black Part 99207 Element 6000650 ×2
  • Plate Special 1 x 2 with Angled Handles on Side Black Part 92692 Element 4604304 ×2
  • Plate Special 1 x 2, Top Clip [Split] Black Part 92280 Element 4598528 ×2
  • Plate Special 1 x 4 with 2 Studs, 3 Bottom Tubes Black Part 92593 Element 4599499 ×2
  • Plate Special 2 x 2 with Groove and Center Stud (Jumper) Black Part 87580 Element 6663108 or 4565323 ×1
  • Plate Special 2 x 2 with Only 2 studs Black Part 33909 Element 6192346 ×2
  • Plate Special 2 x 4 with 2 Pin Holes Black Part 26599 Element 6194233 ×3
  • Bracket 1 x 1 - 1 x 1 Inverted Dark Bluish Gray Part 36840 Element 6225494 ×1
  • Bracket 1 x 2 - 2 x 2 Dark Bluish Gray Part 44728 Element 6117972 or 6048854 ×4
  • Plate Special 1 x 2 Side Handle [Free Ends] Dark Bluish Gray Part 2540 Element 4210660 ×1
  • Plate Special 1 x 2 with 5.9mm Centre Side Towball Dark Bluish Gray Part 14417 Element 6414560 or 6338160 ×2
  • Plate Special 1 x 2 with 5.9mm Towball Socket and Towball Dark Bluish Gray Part 14419 Element 6414554 or 6338166 ×2
  • Plate Special 1 x 2 with Handle on End [Closed Ends] Dark Bluish Gray Part 60478 Element 4521187 ×4
  • Plate Special 2 x 2 with 1 Pin Hole [Complete Underside Rib] Dark Bluish Gray Part 10247 Element 6047417 ×1
  • Plate Special 1 x 2 Side Handle [Free Ends] Green Part 2540 Element 4542391 or 4519974 ×2
  • Bracket 1 x 2 - 2 x 2 Inverted Light Bluish Gray Part 99207 Element 4654580 ×1
  • Plate Special 1 x 2 5.9mm Towball Socket Light Bluish Gray Part 14418 Element 6414556 or 6338163 ×2
  • Plate Special 1 x 2 with Clip Horizontal on End Light Bluish Gray Part 63868 Element 6319336 or 4535738 ×2
  • Bracket 1 x 2 - 1 x 2 Inverted Red Part 99780 Element 6089698 ×2
  • Plate Special 1 x 1 with Clip Horizontal [Thick Open O Clip] Red Part 61252 Element 6335377 or 4524644 ×1
  • Plate Special 1 x 2, Top Clip [Split] Red Part 92280 Element 4597713 ×2
  • Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper) Reddish Brown Part 15573 Element 6092590 ×8
  • Plate Special 1 x 2 with Pin Hole on Top Reddish Brown Part 11458 Element 6138664 ×2
  • Plate Special 1 x 4 with 2 Studs, 3 Bottom Tubes Reddish Brown Part 92593 Element 6210077 ×2
  • Plate Special 2 x 2 with Only 2 studs Reddish Brown Part 33909 Element 6196221 ×1
  • Plate Special 2 x 2 x 2/3 with Two Studs On Side and Two Raised [Solid Anti-stud] Reddish Brown Part 99206 Element 6146301 ×1
  • Plate Special Round 1 x 1 with Hollow Stud and Bar on Underside Trans-Clear Part 25893 Element 6321083 or 6153264 1 spare in the box ×1
  • Plate Special 1 x 2 with Clip Horizontal on Side Yellow Part 11476 Element 6313121 or 6179329 ×2

Plates Round Curved and Dishes 45 pieces

  • Plate Round 2 x 2 with Rounded Bottom [Boat Stud] Black Part 2654 Element 4617551 or 4278359 ×2
  • Plate Special 4 x 4 with 3 x 3 Quarter Round Cutout Black Part 35044 Element 6208787 ×8
  • Plate Round 1 x 1 with Solid Stud Bright Green Part 6141 Element 6109808 1 spare in the box ×3
  • Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) Dark Bluish Gray Part 4032a Element 4211042 ×4
  • Plate Round 6 x 6 with Hole Green Part 11213 Element 6097413 ×1
  • Plate Round 1 x 1 with Solid Stud Red Part 6141 Element 614121 1 spare in the box ×4
  • Plate Special 1 x 2 Rounded with 2 Open Studs Red Part 35480 Element 6210269 ×2
  • Plate Special 1 x 2 Rounded with 2 Open Studs Reddish Brown Part 35480 Element 6248944 ×2
  • Dish 4 x 4 Inverted with Open Stud [Radar] Trans-Neon Orange Part 35394 Element 6252268 ×1
  • Plate Round 1 x 1 with Solid Stud Trans-Neon Orange Part 6141 Element 6240218 or 3005747 1 spare in the box ×2
  • Plate Round 1 x 1 with Open Stud Trans-Orange Part 85861 Element 6510162 or 6174023 1 spare in the box ×2
  • Plate Round 1 x 1 with Solid Stud Trans-Yellow Part 6141 Element 6514056 or 6240216 1 spare in the box ×8
  • Plate Round 2 x 2 with Rounded Bottom [Boat Stud] Trans-Yellow Part 2654 Element 6581773 or 6171728 ×2
  • Plate Round 1 x 1 with Open Stud Yellow Part 85861 Element 6168644 or 6050850 1 spare in the box ×4

Bricks Wedged 24 pieces

  • Brick Wedged, Curved 2 x 1 with Stud Notch Left Black Part 29120 Element 6181720 ×6
  • Brick Wedged, Curved 2 x 1 with Stud Notch Right Black Part 29119 Element 6181713 ×6
  • Brick Wedged, Curved 4 x 3 No Studs [Plain] Black Part 64225 Element 6009018 or 4539743 ×2
  • Brick Wedged, Sloped Inverted 4 x 4 Triple [4 Connections between Front Studs] Black Part 13349 Element 6092952 or 6030724 ×2
  • Brick Wedged 2 x 2 Facet Dark Bluish Gray Part 87620 Element 4624186 ×2
  • Brick Wedged 3 x 3 Facet Dark Bluish Gray Part 2462 Element 4582257 ×2
  • Brick Wedged, Sloped 4 x 4 Pointed Pearl Titanium Part 22391 Element 6167897 ×4

Bricks Sloped 22 pieces

  • Brick Sloped 18° 4 x 1 Black Part 60477 Element 4515362 ×4
  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Black Part 54200 Element 4504382 or 4287159 1 spare in the box ×4
  • Brick Sloped 30° 1 x 2 x 2/3 Black Part 85984 Element 4548180 ×1
  • Brick Sloped 45° 2 x 1 Double / Inverted with Bottom Stud Holder Black Part 3049d Element 4220539 ×1
  • Brick Sloped 18° 2 x 1 x 2/3 with 4 Slots / Grate Dark Bluish Gray Part 61409 Element 4540386 or 4521185 ×4
  • Brick Sloped 45° 2 x 1 Triple with Inside Stud Holder Dark Bluish Gray Part 15571 Element 6076203 ×1
  • Brick Sloped 45° 2 x 1 with 2/3 Inverted Cutout and no stud Dark Bluish Gray Part 28192 Element 6168776 ×2
  • Brick Sloped Inverted 45° 4 x 1 Double with 1 x 2 Recessed Dark Bluish Gray Part 32802 Element 6185675 ×1
  • Brick Sloped 18° 2 x 1 x 2/3 with 4 Slots / Grate Reddish Brown Part 61409 Element 6214443 or 6096670 ×2
  • Brick Sloped 30° 1 x 2 x 2/3 Reddish Brown Part 85984 Element 6035291 ×2

Bricks Curved 19 pieces

  • Brick Curved 3 x 1 No Studs Black Part 50950 Element 4251161 ×2
  • Brick Curved Inverted 2 x 2 x 2/3 Black Part 32803 Element 6211476 ×2
  • Brick Curved Inverted 4 x 1 Black Part 13547 Element 6039869 ×2
  • Brick Curved 2 x 1 No Studs [1/2 Bow] Dark Bluish Gray Part 11477 Element 6029948 ×1
  • Brick Curved 2 x 2, Two Top Studs Dark Bluish Gray Part 30165 Element 4211093 ×1
  • Brick Curved Inverted 2 x 1 Dark Bluish Gray Part 24201 Element 6215212 ×3
  • Brick Curved 2 x 1 No Studs [1/2 Bow] Dark Green Part 11477 Element 6618099 or 6055225 ×2
  • Brick Curved 1 x 2 x 1 1/3 with Curved Top Reddish Brown Part 6091 Element 6335567 or 6035547 ×2
  • Brick Curved 2 x 2 x 2/3 Reddish Brown Part 15068 Element 6146858 ×4

Technic Pins 19 pieces

  • Technic Pin with Friction Ridges Lengthwise and Center Slots Black Part 2780 Element 4121715 or 278026 1 spare in the box ×2
  • Technic Axle Pin with Friction Ridges Lengthwise Blue Part 43093 Element 4309323 or 4206482 ×4
  • Technic Pin 1/2 without Friction Ridges Blue Part 4274 Element 4143005 1 spare in the box ×2
  • Technic Pin Long with Friction Ridges Lengthwise, 2 Center Slots Blue Part 6558 Element 4514553 ×4
  • Technic Axle Pin 3L with Friction Ridges Lengthwise and 1L Axle Dark Bluish Gray Part 11214 Element 6015356 ×2
  • Technic Rotation Joint Ball Loop with Two Perpendicular Pins with Friction Dark Bluish Gray Part 47455 Element 4522784 or 4272424 ×4
  • Technic Pin Long without Friction Ridges Tan Part 32556 ×1

Plates 16 pieces

  • Plate 1 x 8 Black Part 3460 Element 346026 ×1
  • Plate 2 x 8 Black Part 3034 Element 303426 ×1
  • Plate 2 x 3 Dark Bluish Gray Part 3021 Element 4211043 ×1
  • Plate 2 x 4 Dark Green Part 3020 Element 6618075 or 4586057 ×1
  • Plate 2 x 6 Green Part 3795 Element 379528 ×1
  • Plate 1 x 2 Red Part 3023 Element 302321 ×8
  • Plate 2 x 3 Red Part 3021 Element 302121 ×2
  • Plate 2 x 3 Reddish Brown Part 3021 Element 4211189 ×1

Tiles Special 16 pieces

  • Tile Special 2 x 2 Corner with Cut Corner - Facet Black Part 27263 Element 6166859 ×2
  • Tile Special 2 x 2 with Top Pin Black Part 2460 Element 4258354 or 246026 ×2
  • Tile Special 2 x 3 Pentagonal Black Part 22385 Element 6245251 or 6128992 ×4
  • Tile Special Round 2 x 2 with Hole Dark Bluish Gray Part 15535 Element 6055313 ×2
  • Tile Special 1 x 1 with Clip with Rounded Edges Red Part 15712 Element 6348058 or 6072998 ×4
  • Tile Special 1 x 1 with Clip with Rounded Edges Reddish Brown Part 15712 Element 6348057 or 6071274 ×2

Technic Special 14 pieces

  • Technic Brick Special 2 x 2 with Ball Socket Wide and Axle Hole Black Part 92013 Element 4619763 ×2
  • Technic Brick Special 2 x 2 with Pin Hole, with 2 Rotation Joint Sockets Black Part 48172 Element 6296186 or 4275826 ×1
  • Technic Tooth 1 x 3 with Axle Hole [Rounded Underside] Black Part 41669 Element 4540065 or 4177441 ×2
  • Technic Brick Special 2 x 2 with Ball and Axle Hole, with 6 Holes in Ball Dark Bluish Gray Part 57909b Element 4497253 ×2
  • Technic Brick Special 2 x 2 with Pin Hole, Rotation Joint Ball Half [Vertical Side] Dark Bluish Gray Part 48171 Element 6492115 or 6343337 ×4
  • Technic Brick Special 2 x 2 with Pin Hole, Rotation Joint Socket Dark Bluish Gray Part 48169 Element 6278974 or 4225973 ×2
  • Technic Circular Saw Blade 9 x 9 with Pin Hole Dark Bluish Gray Part 61403 Element 6215042 ×1

Minifig Shields, Weapons, & Tools 13 pieces

  • Weapon Batarang Black Part 98721 Element 4650620 1 spare in the box ×1
  • Weapon Spike Flexible 3.5L Black Part 64727 Element 6270085 or 6173917 ×1
  • Shield with Stud (Batman) Pearl Titanium Part 37720a ×2
  • Weapon Batman Batarang Small Pearl Titanium Part 37720b ×2
  • Weapon Batman Batarang with Bar Handle on Bottom Pearl Titanium Part 37720d ×2
  • Weapon Batman Batarang with Bars Pearl Titanium Part 37720c ×3
  • Weapon Batman with Stud on Front Pearl Titanium Part 37720e ×2

Plants & Trees 13 pieces

  • Plant, Plate 1 x 1 Round with 3 Leaves Bright Green Part 32607 Element 6182261 ×2
  • Plant / Creature Body Part, Vine / Tail / Tentacle / Bionicle Spine, Spiky Green Part 55236 Element 6270055 or 6154865 ×2
  • Plant, Leaves 6 x 5 Swordleaf with Clip [Thick Open O Clip] Green Part 10884 Element 6313099 or 6097473 ×3
  • Plant, Flower, Plate Round 1 x 1 with 5 Petals Red Part 24866 Element 6206148 1 spare in the box ×2
  • Plant / Animal Body Part, Tree / Branch / Tail / Appendage Bladed with Pin Reddish Brown Part 24204 Element 6524702 or 6452575 ×1
  • Plant / Creature Body Part, Vine / Tail / Tentacle / Bionicle Spine, Spiky Reddish Brown Part 55236 Element 6270052 or 4294149 ×3

Energy Effects 10 pieces

  • Wave / Power Burst / Flame Blaster with Handle Trans-Orange Part 35032a ×2
  • Wave / Power Burst / Flame, Bolt Large with Bar Ends Trans-Orange Part 35032b ×2
  • Wave / Power Burst / Flame, Bolt Small with Bar Ends Trans-Orange Part 35032c ×2
  • Wave / Power Burst / Flame, Bolt Spiral with Bar Ends Trans-Orange Part 35032d ×2
  • Wave / Power Burst / Flame, Shield Large with Bar End Trans-Orange Part 35032e ×1
  • Wave / Power Burst / Flame, Shield Small with Bar Ends Trans-Orange Part 35032f ×1

Minifig Upper Body 10 pieces

  • Arm Skeleton [Bent / 2 Clips] Dark Bluish Gray Part 93609 Element 6318697 or 6167900 1 spare in the box ×2
  • Arm Mechanical with Clip [Thick Support] Pearl Titanium Part 98313 Element 6276869 or 6008484 ×8

Plates Wedged 10 pieces

  • Wedge Plate 2 x 2 Left Black Part 24299 Element 6141554 ×2
  • Wedge Plate 2 x 2 Right Black Part 24307 Element 6141556 ×2
  • Wedge Plate 2 x 4 Black Part 51739 Element 4531412 ×2
  • Wedge Plate 4 x 4 with 2 x 2 Cutout Dark Bluish Gray Part 43719 Element 6430611 or 6275402 ×2
  • Wedge Plate 4 x 4 with 2 x 2 Cutout Red Part 43719 Element 6275399 or 4561034 ×1
  • Wedge Plate 3 x 4 with Stud Notches [Reinforced Underside] Reddish Brown Part 90194 Element 6170527 or 4649052 ×1

Technic Bricks 10 pieces

  • Technic Brick 1 x 1 with Pin Hole Black Part 6541 Element 654126 ×4
  • Technic Brick 1 x 2 [1 Pin Hole] Dark Bluish Gray Part 3700 Element 4211111 ×6

Tiles 10 pieces

  • Tile 1 x 2 with Groove Black Part 3069b Element 306926 ×8
  • Tile 1 x 1 with Groove Dark Bluish Gray Part 3070b Element 4210848 1 spare in the box ×2

Bricks Round and Cones 9 pieces

  • Cone 1 x 1 [Top Groove] Green Part 59900 Element 4529239 ×1
  • Brick Round 2 x 2 Truncated Cone Light Bluish Gray Part 98100 Element 6028324 ×3
  • Cone 1 x 1 [Top Groove] Trans-Orange Part 59900 Element 6514017 or 6172233 ×3
  • Brick Round 2 x 2 Dome Top, Hollow Stud Yellow Part 30367c Element 4216656 ×1
  • Cone 1 x 1 [Top Groove] Yellow Part 59900 Element 4525464 ×1

Bricks Special 9 pieces

  • Bracket 3 x 2 x 1 1/3 with Pin Bottom Dark Bluish Gray Part 18671 Element 6099909 ×2
  • Brick Special 1 x 2 Palisade [aka Log] Dark Bluish Gray Part 30136 Element 4211095 ×2
  • Bracket 5 x 2 x 1 1/3 with Holes, Pin Bottom Red Part 11215 Element 6029952 ×1
  • Brick Special 1 x 2 with 2 Studs on 1 Side Red Part 11211 Element 6019155 ×4

Projectiles / Launchers 8 pieces

  • Launcher, Plate Special 1 x 2 with Mini Blaster Black Part 15403 Element 6102734 ×2
  • Launcher, Weapon Gun / Blaster / Shooter Mini Black Part 15391 Element 6051331 ×1
  • Launcher Trigger, Weapon Gun Trigger Dark Bluish Gray Part 15392 Element 6051334 1 spare in the box ×4
  • Launcher, Weapon Gun / Blaster / Shooter Mini Reddish Brown Part 15391 Element 6120700 ×1

Bars, Ladders and Fences 6 pieces

  • Bar 4L (Lightsaber Blade / Wand) Black Part 30374 Element 6116604 or 4140303 ×1
  • Bar 1L with Top Stud and Two Side Studs Pearl Titanium Part 92690 Element 6158415 ×2
  • Bar Holder with Clip Reddish Brown Part 11090 Element 6341968 or 6080355 ×2
  • Bar Holder with Clip Yellow Part 11090 Element 6341463 or 6015892 ×1

Tiles Round and Curved 6 pieces

  • Tile Round 1 x 1 Dark Bluish Gray Part 98138 Element 6284596 or 6222416 1 spare in the box ×1
  • Tile Round 1 x 1 Quarter Green Part 25269 Element 6150607 1 spare in the box ×2
  • Tile Round 1 x 1 Trans-Red Part 98138 Element 6514189 or 6258607 1 spare in the box ×3

Technic Beams 5 pieces

  • Technic Beam 1 x 3 Thick Dark Bluish Gray Part 32523 Element 32523199 or 4210751 ×1
  • Technic Beam 2 x 4 L-Shape Thick Dark Bluish Gray Part 32140 Element 6271830 or 4210667 ×4

Animal / Creature Body Parts 4 pieces

  • Animal Body Part, Barb / Claw / Tooth / Talon / Horn, Medium Black Part 87747 Element 6270091 or 4563477 ×2
  • Animal Body Part, Barb / Claw / Tooth / Talon / Horn, Small Black Part 53451 Element 6270103 or 4568385 2 spares in the box ×2

Technic Axles 4 pieces

  • Technic Axle 5.5 with Stop [Rounded Short End] Dark Bluish Gray Part 59426 Element 4508553 ×1
  • Technic Axle 3 with Stud Dark Tan Part 6587 Element 6031821 or 6013821 ×2
  • Technic Axle 3 with Stop Reddish Brown Part 24316 Element 6135494 ×1

Technic Connectors 3 pieces

  • Large Figure Weapon Lightsaber Hilt with Axle Hole and Two Bar Holders Black Part 24122 Element 6280097 or 6155068 ×1
  • Technic Pin Connector Plate 1 x 2 x 1 2/3 [Two Holes On Top] Dark Bluish Gray Part 32530 Element 4210763 ×1
  • Technic Pin Connector Hub with 1 Axle Dark Brown Part 22961 Element 6134197 ×1

Transportation - Land 3 pieces

  • Mudguard 2 x 4 with 2 x 2 Studs and Flared Wings Black Part 41854 Element 4184813 or 4163939 ×1
  • Spoiler 2 x 4 with Handle [Plain] Black Part 98834 Element 6058966 ×2

Transportation - Sea and Air 3 pieces

  • Engine, Large Black Part 43121 Element 4295395 ×1
  • Tail 4 x 1 with Pin Hole Black Part 28779 Element 6171909 ×2

Bricks 2 pieces

  • Brick 1 x 1 Dark Bluish Gray Part 3005 Element 4211098 ×2

Minifig Accessories 1 piece

  • Equipment Whip - Bent Black Part 88704 Element 6359865 or 6092878 1 spare in the box ×1

Stickers 1 piece

  • Sticker Sheet for Set 76117-1 [No Color/Any Color] Part 46105 Element 6254240 ×1

String, Bands and Reels 1 piece

  • String, Net 10 x 10 Round Red Part 35829 Element 6217094 or 6217090 ×1

Minifigures 4 figures

  • The Flash with Dual Molded Red and Yellow Legs Minifigure, checked as a whole figure ×1
  • Poison Ivy in Green Outfit Minifigure, checked as a whole figure ×1
  • Firefly Minifigure, checked as a whole figure ×1
  • Batman, Light Bluish Gray Suit, Black Cape and Cowl, Light Nougat Head, Gold Trim Batman Logo Minifigure, checked as a whole figure ×1

Tick each piece as you find it, or mark it missing.

When a piece really is missing

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