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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 Water Dragon Adventure

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41172 The Water Dragon Adventure

208 pieces in 98 part and color combinations, plus 1 minifigure.

The official piece count includes the 4 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

Plates Special 43 pieces

  • Plate Special 1 x 2 with Bar Up [Horizontal Arm 5mm] Black Part 88072 Element 6261348 or 4569733 ×1
  • Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper) Dark Blue Part 15573 Element 6554197 or 6092588 ×1
  • Plate Special 1 x 2 with 5.9mm Centre Side Towball Dark Bluish Gray Part 14417 Element 6414560 or 6338160 ×9
  • Plate Special 1 x 2 with 5.9mm Towball Socket and Towball Dark Bluish Gray Part 14419 Element 6414554 or 6338166 ×3
  • Bracket 1 x 2 - 1 x 2 Light Bluish Gray Part 99781 Element 4654582 ×2
  • Plate Special 1 x 2 5.9mm Centre Side Towball Socket Light Bluish Gray Part 14704 Element 6414561 or 6338165 ×5
  • Plate Special 1 x 2 5.9mm Towball Socket Light Bluish Gray Part 14418 Element 6414556 or 6338163 ×5
  • Plate Special 1 x 2 with Handle on End [Closed Ends] Light Bluish Gray Part 60478 Element 4515369 ×1
  • Plate Special 1 x 2, Top Clip [Split] Light Bluish Gray Part 92280 Element 4598526 ×1
  • Plate Special 1 x 1 with Clip Light, Bar Hole [Thick Ring] Magenta Part 4081b Element 6037651 ×1
  • Plate Special 1 x 1 with Vertical Tooth Medium Azure Part 15070 Element 6138770 ×8
  • Plate Special 1 x 2 with Pin Hole on Top Reddish Brown Part 11458 Element 6138664 ×2
  • Plate Special 1 x 2 with Three Teeth [Tri-Tooth] White Part 15208 Element 6046381 ×4

Bricks Curved 26 pieces

  • Brick Curved 2 x 1 No Studs [1/2 Bow] Dark Brown Part 11477 Element 6046943 ×2
  • Brick Curved 1 x 2 x 1 1/3 with Curved Top Medium Azure Part 6091 Element 6335566 or 4655246 ×2
  • Brick Curved 2 x 1 No Studs [1/2 Bow] Medium Azure Part 11477 Element 6603334 or 6071246 ×8
  • Brick Curved 2 x 2 x 2/3 Medium Azure Part 15068 Element 6119126 ×4
  • Brick Curved 3 x 1 No Studs Medium Azure Part 50950 Element 6035598 ×4
  • Brick Curved 2 x 2 x 2/3 Medium Lavender Part 15068 Element 6139090 ×1
  • Brick Curved Inverted 4 x 1 Medium Lavender Part 13547 Element 6138771 ×2
  • Brick Arch 1 x 3 x 3 [Gothic] Reddish Brown Part 13965 Element 6055086 ×3

Bricks Sloped 25 pieces

  • Brick Sloped 45° 2 x 1 with 2/3 Cutout [New Version] Dark Bluish Gray Part 15672 Element 6069164 or 4621917 ×1
  • Brick Sloped 45° 2 x 2 Double Convex Light Bluish Gray Part 3045 Element 4216250 ×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 ×4
  • Brick Sloped Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes] Medium Azure Part 3660 Element 6070756 ×1
  • Brick Sloped Inverted 45° 4 x 2 Double with 2 x 2 Recessed Medium Lavender Part 4871 Element 6133798 ×1
  • Brick Sloped 33° 3 x 1 Reddish Brown Part 4286 Element 4211197 ×1
  • Brick Sloped 65° 2 x 2 x 2 with Bottom Tube Reddish Brown Part 3678b Element 4585066 or 4211320 ×1
  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Trans-Clear Part 54200 Element 6245250 or 4244362 1 spare in the box ×7
  • Brick Sloped 45° 2 x 2 Trans-Clear Part 3039 Element 6514100 or 6244886 ×2
  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Trans-Light Blue Part 54200 Element 6245277 or 6073445 1 spare in the box ×1
  • Brick Sloped 45° 2 x 2 Trans-Light Blue Part 3039 Element 6514099 or 6244885 ×4

Plates 19 pieces

  • Plate 2 x 6 Green Part 3795 Element 379528 ×1
  • Plate 1 x 2 Medium Azure Part 3023 Element 6603337 or 6097419 ×2
  • Plate 2 x 3 Medium Azure Part 3021 Element 6604733 or 6013828 ×1
  • Plate 1 x 1 Medium Lavender Part 3024 Element 4619521 1 spare in the box ×2
  • Plate 1 x 2 Medium Lavender Part 3023 Element 4619512 ×5
  • Plate 1 x 4 Medium Lavender Part 3710 Element 6015108 or 4619524 ×2
  • Plate 2 x 6 Medium Lavender Part 3795 Element 6015115 or 4625027 ×1
  • Plate 1 x 2 Reddish Brown Part 3023 Element 4211150 ×2
  • Plate 2 x 4 Reddish Brown Part 3020 Element 4211186 ×2
  • Plate 6 x 10 Tan Part 3033 Element 4624185 or 4218966 ×1

Bricks 17 pieces

  • Brick 2 x 4 Light Bluish Gray Part 3001 Element 4211385 ×2
  • Brick 2 x 6 Light Bluish Gray Part 2456 Element 4274668 or 4211795 ×1
  • Brick 2 x 3 Lime Part 3002 Element 4220631 or 4122452 ×3
  • Brick 1 x 4 Medium Azure Part 3010 Element 6603319 or 6036238 ×2
  • Brick 1 x 2 Reddish Brown Part 3004 Element 4613963 or 4211149 ×4
  • Brick 2 x 2 Corner Reddish Brown Part 2357 Element 4211200 ×1
  • Brick 1 x 2 without Bottom Tube Trans-Dark Pink Part 3065 Element 6514270 or 6244913 ×4

Plates Round Curved and Dishes 14 pieces

  • Plate Round 1 x 1 with Solid Stud Dark Purple Part 6141 Element 4566522 1 spare in the box ×5
  • Dish 2 x 2 Inverted [Radar] Green Part 4740 Element 4567908 or 4239191 ×1
  • Plate Round Corner 3 x 3 Green Part 30357 Element 6062166 or 4541187 ×1
  • Plate Round Corner 4 x 4 Medium Azure Part 30565 Element 6481835 or 6056271 ×2
  • Plate Round 2 x 2 with Rounded Bottom [Boat Stud] Medium Lavender Part 2654 Element 6552575 or 6330097 ×4
  • Plate Round 2 x 2 with Rounded Bottom [Boat Stud] Trans-Clear Part 2654 Element 6581772 or 6163901 ×1

Plants & Trees 13 pieces

  • Plant, Flower, Plate Round 1 x 1 with 4 Petals Bright Green Part 33291 Element 6170300 or 4619599 1 spare in the box ×3
  • Plant, Flower, Plate Round 1 x 1 with 4 Petals Bright Light Orange Part 33291 Element 6170304 or 4624184 1 spare in the box ×2
  • Plant, Leaves 4 x 3 Lime Part 2423 Element 6268818 or 6094069 ×2
  • Plant, Flower, Plate Round 1 x 1 with 4 Petals Magenta Part 33291 Element 6170306 or 6078932 1 spare in the box ×5
  • Plant, Leaves 6 x 5 Magenta Part 2417 Element 6266974 or 6133021 ×1

Animal / Creature Body Parts 8 pieces

  • Animal Body Part, Bat Wing with Shaft [Chima Bat Wing] Dark Purple Part 15082 Element 6394539 or 6133818 ×2
  • Creature Body Part, Dragon Head Lower Jaw with 1 Stud Medium Azure Part 24199 Element 6133334 ×1
  • Creature Body Part, Dragon Head Upper Jaw with 2 Studs on Top and White Decorations Print Medium Azure Part 24196pr0002 Element 6136945 ×1
  • Creature Body Part, Dragon Wing 13 x 8, with Marbled Trans-Purple Pattern Medium Azure Part 23989pat0002 Element 6133820 1 spare in the box ×2
  • Animal Body Part, Horn (Cattle) / Tentacle / Vine / Branch / Tongue - Long White Part 13564 Element 6269074 or 6032360 1 spare in the box ×2

Rock 6 pieces

  • Rock 1 x 1 Jewel / Gem 24 Facet Trans-Dark Pink Part 30153 Element 6513975 or 6247796 ×2
  • Rock - Heart Jewel with Shaft Trans-Light Blue Part 15745 Element 6167812 or 6097099 ×1
  • Rock 1 x 1 Jewel / Gem 24 Facet Trans-Purple Part 30153 Element 6513977 or 6247799 ×3

Tiles 6 pieces

  • Tile 2 x 2 with Groove Dark Blue Part 3068b Element 4205004 ×1
  • Tile 2 x 2 with Groove Tan Part 3068b Element 4185177 or 4114002 ×1
  • Tile 2 x 2 with Map of Dragon Egg Location Print Tan Part 3068bpr0291 Element 6141978 ×1
  • Tile 1 x 2 with Groove Trans-Clear Part 3069b Element 6514223 or 6251294 ×3

Tiles Round and Curved 5 pieces

  • Tile Round 1 x 1 Lime Part 98138 Element 6284583 or 6057878 1 spare in the box ×2
  • Tile Round 2 x 2 with Green Foliage Print Lime Part 14769pr1042 Element 6142097 ×1
  • Tile Round 1 x 1 Trans-Dark Blue Part 98138 Element 6514190 or 6273627 1 spare in the box ×1
  • Tile Round 1 x 1 with Water Power Icon Print Trans-Dark Blue Part 98138pr0032 Element 6273628 or 6104423 1 spare in the box ×1

Minifig Accessories 3 pieces

  • Equipment Hairbrush Short Handle [10mm] Bright Light Orange Part 3852b Element 4243668 ×1
  • Minifig Footwear Flipper [Thick] Dark Purple Part 10190 Element 6172941 or 6133801 ×1
  • Equipment Binoculars Pearl Gold Part 30162 Element 6034543 ×1

Technic Pins 3 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 Towball Light Bluish Gray Part 2736 Element 6443149 or 4211375 ×1

Tiles Special 3 pieces

  • Tile Special 1 x 1 with Clip with Rounded Edges Dark Bluish Gray Part 15712 Element 6344022 or 6071226 ×1
  • Tile, Star with Stud Holder, Pin Hole Dark Orange Part 11609 Element 6167775 or 6035618 1 spare in the box ×1
  • Tile Special Round 1 x 1 with Hollow Bar Trans-Clear Part 20482 Element 6507895 or 6186867 1 spare in the box ×1

Technic Bricks 2 pieces

  • Technic Brick 1 x 1 with Pin Hole Dark Bluish Gray Part 6541 Element 4210639 ×2

Technic Bushes 2 pieces

  • Technic Bush 1/2 Smooth with Axle Hole Semi-Reduced Light Bluish Gray Part 32123b Element 6271165 or 4211573 1 spare in the box ×2

Technic Connectors 2 pieces

  • Technic Pin Connector Hub with 1 Pin with Friction Ridges Lengthwise Black Part 15100 Element 6073231 ×2

Animals / Creatures 1 piece

  • Animal, Clam [Type 2 - Locking Edge on Inner Lip] White Part 18866 Element 6092203 ×1

Bricks Round and Cones 1 piece

  • Brick Round 1 x 1 Open Stud Trans-Clear Part 3062b Element 6514232 or 6223655 ×1

Bricks Special 1 piece

  • Brick Special 1 x 2 with 2 Studs on 1 Side Light Bluish Gray Part 11211 Element 6015344 ×1

Bricks Wedged 1 piece

  • Brick Wedged, Curved 4 x 3 No Studs [Plain] Medium Azure Part 64225 Element 6610386 or 6368071 ×1

Energy Effects 1 piece

  • Wave / Flame Rounded with Base Rim Trans-Light Blue Part 6126b Element 6167739 ×1

Minifig Heads 1 piece

  • Minifig Head [Plain] [Hollow Stud] Trans-Neon Green Part 3626c Element 6109893 ×1

Minifig Headwear Accessories 1 piece

  • Headwear Accessory Bow with Heart, Long Ribbon and Pin Magenta Part 11618 Element 6023827 1 spare in the box ×1

Panels 1 piece

  • Panel 1 x 2 x 1 with Rounded Corners and Central Divider Reddish Brown Part 93095 Element 6670645 or 6133860 ×1

Projectiles / Launchers 1 piece

  • Launcher, 1 x 4 with 1 x 2 Plate with Pin Hole and Bucket (Catapult) Medium Azure Part 88289 Element 6138779 ×1

Stickers 1 piece

  • Sticker Sheet for Set 41172-1 [No Color/Any Color] Part 25774 Element 6142714 or 6142710 ×1

Technic Axles 1 piece

  • Technic Axle 4 with Stop Dark Bluish Gray Part 87083 Element 6083620 or 4560177 ×1

Minifigures 1 figure

  • Naida Riverheart 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

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