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.
127 pieces in 74 part and color combinations, plus 4 minifigures.
The official piece count includes the 14 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.
LEGO's request form asks for the set number (71865) and each piece's element ID, both listed above.
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Piece checklist
White
22 pieces
Animal Body Part / Plant, Tail / Claw / Horn / Branch / Tentacle, End SectionWhitePart 40379Element 6110023 or 4508454×1
Animal Body Part / Plant, Tail / Neck / Branch / Trunk, Middle Section with Pin HolesWhitePart 5717Element 6559524×1
Brick Curved 4 x 1 Double, No StudsWhitePart 93273Element 6552143 or 6023806×1
Brick Sloped 45° 2 x 1 Triple with Inside Stud HolderWhitePart 15571Element 6619295 or 6097801×1
Brick Sloped 45° 2 x 2WhitePart 3039Element 6552103 or 303901×2
Brick Special 1 x 1 with Clip HorizontalWhitePart 60476Element 6320310 or 4567891×4
Brick Special 1 x 2 with 2 Pins, Square Pin HolesWhitePart 53540Element 6311891×2
Brick Wedged, Curved Inverted 6 x 4WhitePart 43713Element 6580008 or 4261693×1
Brick Wedged, Sloped 4 x 4 Triple, Stud NotchesWhitePart 48933Element 6299775 or 4264026×1
Creature Body Part, Dragon Head with Trans-Light Blue Horns Pattern, Dark Blue/Sand Blue Eye, Scales PrintWhitePart 82276pat0001pr0003Element 6668520 or 6602921×1
Plate 1 x 4WhitePart 3710Element 6552108 or 6548266×2
Plate Special 1 x 2, Top Clip [Open O]WhitePart 44861Element 6347309×2
Plate Special 2 x 2 with 1 Pin Hole [Complete Underside Rib]WhitePart 10247Element 6552149 or 6061024×1
Wedge Plate 2 x 4WhitePart 51739Element 6552128 or 4249506×2
Dark Purple
19 pieces
Brick 2 x 4Dark PurplePart 3001Element 4626935 or 4589602×1
Brick Curved 1 x 2 x 1 No StudsDark PurplePart 37352Element 6264050×6
Brick Curved 2 x 2 x 2/3Dark PurplePart 15068Element 6182217×4
Creature Body Part, Dragon Head Lower Jaw with Pointy Chin with Yellow Eye, Lime/Green Scales PrintDark PurplePart 80017pr0004Element 6601073×1
Plate 2 x 2Dark PurplePart 3022Element 6047422 or 4224861×3
Plate Special 1 x 2, Top Clip [Open O]Dark PurplePart 44861Element 6585188×2
Tile 1 x 4 with GrooveDark PurplePart 2431Element 6057988 or 4225185×1
Tile 2 x 4 with GrooveDark PurplePart 87079Element 6167472×1
Lime
14 pieces
Animal Body Part, Barb / Claw / Tooth / Talon / Horn, MediumLimePart 87747Element 63112151 spare in the box×1
Brick 2 x 3LimePart 3002Element 4220631 or 4122452×1
Brick Sloped 45° 2 x 1 Triple with Inside Stud HolderLimePart 15571Element 6310287×4
Plate 1 x 2LimePart 3023Element 4164037 or 4122439×7
Plate Special 2 x 2 with Only 2 studsLimePart 33909Element 6472552×1
Pearl Gold
13 pieces
Animal / Creature Body Part, Claw with ClipPearl GoldPart 3171Element 6426622×2
Brick Curved 2 x 2 x 2/3 Two Studs and Curved Slope EndPearl GoldPart 47457Element 4286597×2
Brick Sloped 45° 2 x 1 Triple with Inside Stud HolderPearl GoldPart 15571Element 6075079×2
Brick 2 x 2Medium AzurePart 3003Element 6603316 or 4653970×3
Plate 2 x 2Medium AzurePart 3022Element 6603309 or 4625032×4
Plate Special 1 x 2 with Handles on EndsMedium AzurePart 18649Element 6464815×2
Tile 2 x 3Medium AzurePart 26603Element 6233166×1
Tile Round 1 x 2 Half CircleMedium AzurePart 1748Element 6510074 or 64453371 spare in the box×1
Black
10 pieces
Animal Body Part / Plant, Tail / Neck / Branch / Trunk, Middle Section with Pin HolesBlackPart 5717Element 6548955 or 6498190×1
Brick Curved 2 x 2 x 2/3 Double, Corner, No StudsBlackPart 79757Element 6370961×2
Brick Wedged, Curved Inverted 6 x 4BlackPart 43713Element 4180469×2
Plate 4 x 8BlackPart 3035Element 303526×1
Plate Angled 2 x 2 with Step and Hole in CenterBlackPart 79846Element 6469080×1
Plate Special 2 x 2 with Towball Socket, Short, Flattened with Holes and Axle Hole in CenterBlackPart 63082Element 6273226 or 4529064×1
Technic Pin with Friction Ridges Lengthwise with No Center SlotsBlackPart 61332Element 62798751 spare in the box×2
Dark Bluish Gray
10 pieces
Brick Special 1 x 2 x 1 1/3 with Rotation Joint SocketDark Bluish GrayPart 80431Element 6398662×2
Brick Special 2 x 4, with 2 x 2 Brick with Top Pin and 1 x 2 Side PlatesDark Bluish GrayPart 30592Element 6301436 or 6278507×1
Panel 1 x 2 x 1 [Rounded Corners]Dark Bluish GrayPart 4865bElement 6146225×1
Plate Special 1 x 2 with 5.9mm Centre Side TowballDark Bluish GrayPart 14417Element 6414560 or 6338160×4
Plate Special 1 x 4 Offset with Bar HolesDark Bluish GrayPart 4590Element 6302647 or 6086709×1
Plate Special 2 x 2 with 1 Pin Hole [Complete Underside Rib]Dark Bluish GrayPart 10247Element 6047417×1
Light Aqua
9 pieces
Brick 1 x 4Light AquaPart 3010Element 6218162 or 4616205×2
Brick Sloped 30° 1 x 2 x 2/3Light AquaPart 85984Element 4616211×1
Creature Body Part, Dragon, Wing LargeLight AquaPart 5973Element 6609284×2
Plate 1 x 6Light AquaPart 3666Element 6146702×2
Plate 2 x 2Light AquaPart 3022Element 6606756×2
Dark Blue
4 pieces
Animal, Dragon Leg Left with Black PinDark BluePart 114912c01Element 6576400×1
Animal, Dragon Leg Right with Black PinDark BluePart 114888c01Element 6576354×1
Brick 2 x 4Dark BluePart 3001Element 6275133 or 4530029×1
Brick Wedged 4 x 10 with 4 x 6 Recessed CenterDark BluePart 7680Element 6564240×1
Light Bluish Gray
4 pieces
Brick 2 x 4Light Bluish GrayPart 3001Element 4211385×1
Plate Special 1 x 2 5.9mm Centre Side Towball SocketLight Bluish GrayPart 14704Element 6414561 or 6338165×3
Red
2 pieces
Brick Sloped 30° 1 x 2 x 2/3RedPart 85984Element 4651524×1
Tile 2 x 2 with GrooveRedPart 3068bElement 306821×1
Tan
2 pieces
Plate Special 2 x 2 x 2/3 with Axle Hole and Grill on Sides (Haybale)TanPart 71752Element 6330903×2
Bright Green
1 piece
Flames 5 x 7 x 1 x 1/3 with Studs, HandleBright GreenPart 7727Element 6590250×1
Bright Light Orange
1 piece
Plate 2 x 2Bright Light OrangePart 3022Element 6003033 or 4645047×1
Dark Tan
1 piece
Plate Special 2 x 2 with Groove and Center Stud (Jumper)Dark TanPart 87580Element 6126075 or 4578032×1
Green
1 piece
Plate Round 4 x 4 with Pin HoleGreenPart 60474Element 6353423×1
Medium Nougat
1 piece
Technic Brick Special 1 x 2 with Pin Hole and 1 x 2 PlateMedium NougatPart 73109Element 6586095×1
Reddish Brown
1 piece
Plate Special 1 x 2 with Clip Horizontal on SideReddish BrownPart 11476Element 6313124 or 6185998×1
Yellow
1 piece
Technic Brick 1 x 2 [1 Pin Hole]YellowPart 3700Element 370024×1
Minifigures
4 figures
Acid Monster, LegsMinifigure, checked as a whole figure×2
Zane, Wrap (Draconus Robes)Minifigure, checked as a whole figure×1
Sora (Draconus 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.
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.