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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.

Imperium Dragon Hunter Hound

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71790 Imperium Dragon Hunter Hound

183 pieces in 76 part and color combinations, plus 3 minifigures.

The official piece count includes the 15 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

Black 72 pieces

  • Bar 3L Black Part 87994 Element 6185316 or 6093525 1 spare in the box ×5
  • Bar 5L with Handle (Friction Ram) Black Part 87618 Element 4623113 ×1
  • Bracket 1 x 2 - 1 x 4 [Rounded Corners at Bottom, Square Corners at Top] Black Part 28802 Element 6168620 ×2
  • Brick Curved 1 x 2 x 1 1/3 with Curved Top Black Part 6091 Element 6383142 or 6184784 ×2
  • Brick Curved 4 x 1 Double, No Studs Black Part 93273 Element 4613153 ×4
  • Brick Curved 4 x 2 No Studs Black Part 93606 Element 4647286 ×1
  • Brick Curved Inverted 4 x 1 Black Part 13547 Element 6039869 ×1
  • Brick Round 1 x 1 Open Stud Black Part 3062b Element 306226 ×2
  • Brick Round 2 x 2 with Axle Hole Black Part 3941 Element 614376 or 614326 ×1
  • Brick Round, Curved 3 x 3 with Cutout, Light Bluish Grey Markings, Orange Eyes Print Black Part 3220pr0002 Element 6434495 ×1
  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Black Part 54200 Element 4504382 or 4287159 1 spare in the box ×1
  • Brick Sloped 45° 2 x 1 with 2/3 Inverted Cutout and no stud Black Part 28192 Element 6267487 ×2
  • Brick Sloped Inverted 45° 2 x 1 Black Part 3665 Element 366526 ×4
  • Brick Sloped Inverted 45° 4 x 2 Double with 2 x 2 Recessed Black Part 4871 Element 4188534 or 487126 ×1
  • Brick Wedged, Curved 2 x 1 with Stud Notch Left Black Part 29120 Element 6181720 ×1
  • Brick Wedged, Curved 2 x 1 with Stud Notch Right Black Part 29119 Element 6181713 ×1
  • Large Figure Weapon Lightsaber Hilt with Axle Hole and Two Bar Holders Black Part 24122 Element 6280097 or 6155068 ×1
  • Plate 1 x 6 Black Part 3666 Element 366626 ×1
  • Plate Special 1 x 1 Rounded with Handle Black Part 26047 Element 6157554 ×2
  • Plate Special 1 x 2 with Clip Horizontal on End Black Part 63868 Element 6336989 or 4535739 ×1
  • Plate Special 1 x 4 Rounded with 2 Open Studs Black Part 77845 Element 6428167 ×1
  • Plate Special 2 x 2 with Towball and Hole Black Part 15456 Element 6448318 or 6359224 ×5
  • Plate Special 2 x 3 with Rocks Black Part 27261 Element 6195185 ×12
  • Plate Special 4 x 4 with 3 x 3 Quarter Round Cutout Black Part 35044 Element 6208787 ×4
  • Technic Axle and Pin Connector Angled #4 - 135° Black Part 32192 Element 6262897 or 4121610 ×1
  • Technic Brick 1 x 2 with Axle Hole Type 1 [+ Opening] and Bottom Pin Black Part 32064a Element 6178922 or 4233487 ×2
  • Technic Brick 1 x 6 [5 Pin Holes] Black Part 3894 Element 389426 ×1
  • Tile Special 1 x 2 with Two Vertical Teeth / Tooth Black Part 15209 Element 6127506 ×1
  • Tile Special Round 2 x 2 with Hole Black Part 15535 Element 6143850 ×1
  • Weapon Spike Flexible 3.5L Black Part 64727 Element 6270085 or 6173917 ×4
  • Wedge Plate 2 x 4 27° Left Black Part 65429 Element 6295295 ×1
  • Wedge Plate 2 x 4 27° Right Black Part 65426 Element 6295293 ×1
  • Wedge Plate 4 x 6 Cut Corners Black Part 32059 Element 4129572 ×2
  • Wheel Arch, Curved Wedge 4 x 3 with 2 x 2 Opening and 4 Studs Black Part 47755 Element 4525236 ×1

Pearl Gold 35 pieces

  • Bar 6L with Stop Ring Pearl Gold Part 63965 Element 6170470 or 6081992 ×1
  • Brick Round 2 x 2 Special with Spikes Pearl Gold Part 27266 Element 6327879 ×1
  • Brick Sloped 45° 2 x 1 Triple with Inside Stud Holder Pearl Gold Part 15571 Element 6075079 ×11
  • Brick Special 2 x 5 with Slope, Studs on Side Pearl Gold Part 79897 Element 6371694 ×2
  • Brick Wedged, Sloped 4 x 4 Triple with 3 Ridges on Slope Pearl Gold Part 86148 Element 6503254 or 6376233 ×2
  • Brick Wedged, Sloped 45° 2 x 4 Triple Pearl Gold Part 47759 Element 6357783 ×1
  • Creature Body Part, Barb Large (Claw, Talon) with Clip Pearl Gold Part 16770 Element 6293489 or 6141591 ×12
  • Weapon Lightsaber Hilt with Bottom Ring Pearl Gold Part 64567 Element 6003147 1 spare in the box ×1
  • Weapon Sword / Katana / Shamshir with Capped Pommel [Square Guard] Pearl Gold Part 21459 Element 6116596 ×4

Dark Red 31 pieces

  • Brick Curved 4 x 1 No Studs [Stud Holder with Symmetric Ridges] Dark Red Part 11153 Element 6042953 ×1
  • Brick Curved, 3 x 1 with 1/3 Inverted Cutout Dark Red Part 70681 Element 6337786 ×1
  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Dark Red Part 54200 Element 4539079 or 4531415 1 spare in the box ×1
  • Brick Special 1 x 2 with 2 Studs on 1 Side Dark Red Part 11211 Element 6252545 ×2
  • Plate 2 x 3 Dark Red Part 3021 Element 6264030 or 4541510 ×3
  • Plate Special 1 x 2 Rounded with 2 Open Studs Dark Red Part 35480 Element 6212040 ×13
  • Plate Special 2 x 3 with Rocks Dark Red Part 27261 Element 6329652 or 6212205 ×1
  • Tile Special 1 x 1 with Clip with Rounded Edges Dark Red Part 15712 Element 6360079 or 6071222 ×8
  • Tile Special 2 x 3 with 2 Clips without Tab between Clips Dark Red Part 65886 Element 6374443 ×1

Light Bluish Gray 18 pieces

  • Brick Special 1 x 2 with Studs on 2 Sides Light Bluish Gray Part 52107 Element 4657459 ×1
  • Hinge Plate 1 x 2 Locking with 2 Fingers On End, without Groove, 7 Teeth Light Bluish Gray Part 54657 Element 6267048 ×2
  • Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) Light Bluish Gray Part 4032a Element 4211475 ×5
  • Plate Special 1 x 2 5.9mm Centre Side Towball Socket Light Bluish Gray Part 14704 Element 6414561 or 6338165 ×6
  • Plate Special 1 x 2 5.9mm Towball Socket Light Bluish Gray Part 14418 Element 6414556 or 6338163 ×2
  • Technic Axle 7 Light Bluish Gray Part 44294 Element 44294194 or 4211805 ×1
  • Technic Axle Towball Light Bluish Gray Part 2736 Element 6443149 or 4211375 ×1

Dark Bluish Gray 6 pieces

  • Brick Special 2 x 6 x 1 1/3 with Axle Holes and 2 x 4 Recessed, Ridges at Underside Dark Bluish Gray Part 3668 Element 6454959 ×1
  • Plate Angled 2 x 2 with Step and Hole in Center Dark Bluish Gray Part 79846 Element 6395097 ×2
  • 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 3 with 2 Clips on Top Dark Bluish Gray Part 79987 Element 6365692 ×1

Dark Orange 4 pieces

  • Brick Special 1 x 2 x 1 2/3 with 8 Studs on 3 Sides Dark Orange Part 67329 Element 6398380 ×2
  • Hinge Plate 1 x 2 Locking with 1 Finger on Side, without Groove Dark Orange Part 44567b Element 6345166 ×2

Orange 4 pieces

  • Plate 2 x 2 Orange Part 3022 Element 4613982 or 4159007 ×2
  • Plate 2 x 4 Orange Part 3020 Element 4158355 or 4122468 ×2

Tan 3 pieces

  • Plate Special 1 x 2 with Handle on End [Closed Ends] Tan Part 60478 Element 6211975 or 4546367 ×1
  • Tile Special 1 x 2 with Sloped Walls AKA Money / Gold Bar [Ingot] Tan Part 99563 Element 6271228 ×2

Medium Nougat 2 pieces

  • Plate 1 x 1 x 2/3 with Open Stud Medium Nougat Part 86996 Element 6383946 ×2

Trans-Orange 2 pieces

  • Brick Sloped 45° 1 x 1 x 2/3 Quadruple Convex [Pyramid] Trans-Orange Part 22388 Element 6581704 or 6250584 1 spare in the box ×2

White 2 pieces

  • Brick Special 1 x 2 x 1 2/3 with 4 Studs on 1 Side White Part 22885 Element 6603759 or 6218823 ×2

Pearl Titanium 1 piece

  • Weapon Sword with Trans-Orange Blade Pattern Pearl Titanium Part 3214pat0001 Element 6503202 or 6430281 ×1

Red 1 piece

  • Technic Axle 4 Red Part 3705 Element 6129995 or 4265797 ×1

Sand Green 1 piece

  • Technic Brick 1 x 2 with Axle Hole Type 1 [+ Opening] and Bottom Pin Sand Green Part 32064a Element 6250172 ×1

[No Color/Any Color] 1 piece

  • Sticker Sheet for Set 71790-1 [No Color/Any Color] Part 10103437 Element 6435253 ×1

Minifigures 3 figures

  • Lloyd - Dragons Rising Robes Minifigure, checked as a whole figure ×1
  • Imperium Claw General, Shoulder Guards Minifigure, checked as a whole figure ×1
  • Jay - Dragons Rising Robes 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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