Conquer Dragon Mountain!
A classic castle adventure

Build the ultimate medieval battle with 381 pieces, 5 minifigures, and a mighty fire-breathing dragon. Defend the princess and claim the treasure!

🏛 Castle
Set #70403

Dragon Mountain

Discover the Dragon Mountain from the Castle collection - 381 pieces of building excellence.

⏱ 2-4 hr 🧩 381 pcs

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📦 Full Parts Inventory - 141 unique parts • 348 total pieces

Brick Special 1 x 2 with 2 Studs on 1 Side Brick Special 1 x...
Part #: 11211 Light Bluish Gray
Plate Special 1 x 2 with Clip Horizontal on Side Plate Special 1 x...
Part #: 11476 Light Bluish Gray
Creature Body Part, Dragon Head Lower Jaw with Round Hole on Front and White Teeth Print Creature Body Par...
Part #: 13747pr0001 Red
Wedge 4 x 4 Facet Wedge 4 x 4 Facet
Part #: 14413 Black
Slope Inverted 45° 3 x 1 Double with 2 Blocked Open Studs Slope Inverted 45...
Part #: 18759 Dark Bluish Gray
Equipment Goblet / Glass Equipment Goblet ...
Part #: 2343 Light Bluish Gray
Plant, Leaves 6 x 5 Plant, Leaves 6 x 5
Part #: 2417 Dark Green
Tile 1 x 4 with Groove Tile 1 x 4 with G...
Part #: 2431 Light Bluish Gray
Brick 2 x 6 Brick 2 x 6
Part #: 2456 Dark Bluish Gray
Tile Special 2 x 2 with Top Pin Tile Special 2 x ...
Part #: 2460 Dark Bluish Gray
Plate Special 2 x 2 with Pin on Bottom Plate Special 2 x...
Part #: 2476a Dark Tan
Bar, 4 Top Bars, Palm Tree Top Bar, 4 Top Bars, ...
Part #: 2566 Black
Shield Ovoid with Red Dragon Head and Fire on Black Background Print Shield Ovoid with...
Part #: 2586pr0008 Light Bluish Gray
Shield Ovoid with Lion Head on White and Blue Print Shield Ovoid with...
Part #: 2586pr0009 Light Bluish Gray
Headwear Accessory Visor Grille with Top Pin Hole (Castle) Headwear Accessor...
Part #: 2594 Light Bluish Gray
Plate 4 x 4 Corner Plate 4 x 4 Corner
Part #: 2639 Dark Bluish Gray
Technic Slope Short (Wing Front) Technic Slope Sho...
Part #: 2743 Dark Bluish Gray
Brick 2 x 4 Brick 2 x 4
Part #: 3001 Light Bluish Gray
Brick 2 x 2 Brick 2 x 2
Part #: 3003 Dark Bluish Gray
Brick 1 x 2 Brick 1 x 2
Part #: 3004 Red
Window 1 x 2 x 2 2/3 with Rounded Top Window 1 x 2 x 2 ...
Part #: 30044 Reddish Brown
Window 1 x 2 x 2 & 2/3 Pane Twisted Bar with Rounded Top Window 1 x 2 x 2 ...
Part #: 30045 Black
Brick 1 x 1 Brick 1 x 1
Part #: 3005 Black
Brick 1 x 4 Brick 1 x 4
Part #: 3010 Black
Brick Special 1 x 2 Palisade [aka Log] Brick Special 1 x...
Part #: 30136 Reddish Brown
Brick Special 1 x 4 Palisade [aka Log] Brick Special 1 x...
Part #: 30137 Reddish Brown
Plant, Round 1 x 1 - 3 Bamboo Leaves Plant, Round 1 x ...
Part #: 30176 Green
Plate 2 x 2 Plate 2 x 2
Part #: 3022 Black
Plate 1 x 2 Plate 1 x 2
Part #: 3023 Reddish Brown
Plate 1 x 2 Plate 1 x 2
Part #: 3023 Tan
Brick Special 1 x 2 with Vertical Clip [Thick U Clip] Brick Special 1 x...
Part #: 30237a Dark Bluish Gray
Insect, Spider Insect, Spider
Part #: 30238 Black
Launcher, with 1 x 8 Plate with Pin Hole and Bucket (Catapult) Launcher, with 1 ...
Part #: 30275 Reddish Brown
Plate 2 x 8 Plate 2 x 8
Part #: 3034 Dark Bluish Gray
Plate Round Corner 3 x 3 Plate Round Corne...
Part #: 30357 Reddish Brown
Plate 6 x 8 Plate 6 x 8
Part #: 3036 Dark Bluish Gray
Hinge Plate 1 x 2 Locking with 1 Finger On Top Hinge Plate 1 x 2...
Part #: 30383 Dark Bluish Gray
Rock 1 x 1 Crystal 5 Point Rock 1 x 1 Crysta...
Part #: 30385 Trans-Red
Slope 45° 2 x 1 with Bottom Pin Slope 45° 2 x 1 w...
Part #: 3040b Dark Bluish Gray
Slope 45° 2 x 1 Triple with Ovoid Bottom Pin Slope 45° 2 x 1 T...
Part #: 3048c Pearl Gold
Slope 45° 2 x 1 Triple with Ovoid Bottom Pin Slope 45° 2 x 1 T...
Part #: 3048c 10× Red
Brick Special 1 x 2 with 2 Pins, Round Pin Holes Brick Special 1 x...
Part #: 30526 Dark Bluish Gray
Hinge Cylinder 1 x 2 Locking with 2 Click Fingers and Axle Hole, 9 Teeth Hinge Cylinder 1 ...
Part #: 30553 Black
Plate Round Corner 4 x 4 Plate Round Corne...
Part #: 30565 Green
Brick Round 1 x 1 Open Stud Brick Round 1 x 1...
Part #: 3062b Trans-Green
Brick Round 1 x 1 Open Stud Brick Round 1 x 1...
Part #: 3062b 10× Black
Brick Round 1 x 1 Open Stud Brick Round 1 x 1...
Part #: 3062b Trans-Red
Brick Round 1 x 1 Open Stud Brick Round 1 x 1...
Part #: 3062b Red
Brick Round 1 x 1 Open Stud Brick Round 1 x 1...
Part #: 3062b Trans-Neon Orange
Tile 1 x 2 with Groove Tile 1 x 2 with G...
Part #: 3069b Dark Tan
Technic Brick 1 x 2 [2 Pin Holes] Technic Brick 1 x...
Part #: 32000 Light Bluish Gray
Technic Pin Long with Friction Ridges Lengthwise and Stop Bush [3 Lateral Holes, Big Pin Hole] Technic Pin Long ...
Part #: 32054 Light Bluish Gray
Wedge Plate 4 x 6 Cut Corners Wedge Plate 4 x 6...
Part #: 32059 Dark Bluish Gray
Technic Brick 1 x 2 with Axle Hole Type 1 [+ Opening] and Bottom Pin Technic Brick 1 x...
Part #: 32064a Light Bluish Gray
Technic Brick 1 x 2 with Axle Hole Type 1 [+ Opening] and Bottom Pin Technic Brick 1 x...
Part #: 32064a Black
Technic Bush 1/2 Smooth with Axle Hole Semi-Reduced Technic Bush 1/2 ...
Part #: 32123b Light Bluish Gray
Technic Pin Connector Plate 1 x 2 x 1 2/3 [Two Holes On Top] Technic Pin Conne...
Part #: 32530 Black
Brick Arch 1 x 8 x 2 Brick Arch 1 x 8 x 2
Part #: 3308 Dark Bluish Gray
Plant, Carrot Top Plant, Carrot Top
Part #: 33183 Bright Green
Headwear Accessory Crown / Tiara Headwear Accessor...
Part #: 33322 Pearl Gold
Brick 1 x 3 Brick 1 x 3
Part #: 3622 Light Bluish Gray
Plate 1 x 3 Plate 1 x 3
Part #: 3623 Reddish Brown
Brick Arch 1 x 4 Brick Arch 1 x 4
Part #: 3659 Black
Slope Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes] Slope Inverted 45...
Part #: 3660 Black
Slope Inverted 45° 2 x 1 Slope Inverted 45...
Part #: 3665 Light Bluish Gray
Plate 1 x 6 Plate 1 x 6
Part #: 3666 Dark Bluish Gray
Technic Pin without Friction Ridges Lengthwise Technic Pin witho...
Part #: 3673 Light Bluish Gray
Slope 65° 2 x 2 x 2 with Bottom Tube Slope 65° 2 x 2 x...
Part #: 3678b Reddish Brown
Technic Brick 1 x 2 [1 Pin Hole] Technic Brick 1 x...
Part #: 3700 Reddish Brown
Technic Axle 4 Technic Axle 4
Part #: 3705 Black
Plate 1 x 4 Plate 1 x 4
Part #: 3710 Black
Technic Axle Pin without Friction Ridges Lengthwise Technic Axle Pin ...
Part #: 3749 Tan
Shield Triangular with Red Dragon Head on Black Background Print Shield Triangular...
Part #: 3846pr0012 Light Bluish Gray
Weapon Lance Weapon Lance
Part #: 3849 Flat Silver
Weapon Lance Weapon Lance
Part #: 3849 Black
Brick Round 2 x 2 with Axle Hole Brick Round 2 x 2...
Part #: 3941 Reddish Brown
Antenna 1 x 4 with Flat Top Antenna 1 x 4 wit...
Part #: 3957b Black
Animal, Rodent, Rat / Mouse [Plain] Animal, Rodent, R...
Part #: 40234 Light Bluish Gray
Stairs Spiral Step Stairs Spiral Step
Part #: 40243 Dark Tan
Stairs Spiral Step Stairs Spiral Step
Part #: 40243 Dark Bluish Gray
Support 1 x 1 x 5 1/3 Spiral Staircase Axle Support 1 x 1 x 5...
Part #: 40244 Tan
Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) Plate Round 2 x 2...
Part #: 4032a Blue
Animal Body Part / Plant, Tail / Neck / Branch / Trunk, Middle Section with Pin, Round Pin Hole Animal Body Part ...
Part #: 40378 Red
Animal / Creature Body Part, Tail / Neck, Base Section with Black Pin Animal / Creature...
Part #: 40395 Red
Brick Special 1 x 1 with Headlight Brick Special 1 x...
Part #: 4070 Dark Bluish Gray
Plate Special 1 x 1 with Clip Vertical [Thick U Clip] Plate Special 1 x...
Part #: 4085c Red
Plate Special 8 x 8 with Grille [Hole in Center] Plate Special 8 x...
Part #: 4151b Dark Bluish Gray
Plate 8 x 8 Plate 8 x 8
Part #: 41539 Green
Technic Pin 1/2 Technic Pin 1/2
Part #: 4274 Blue
Slope Inverted 34° 3 x 1 with Internal Stopper Slope Inverted 34...
Part #: 4287b Light Bluish Gray
Dish 3 x 3 Inverted [Radar] Dish 3 x 3 Invert...
Part #: 43898 Dark Bluish Gray
Slope 75° 2 x 1 x 3 with Hollow Stud Slope 75° 2 x 1 x...
Part #: 4460b Dark Bluish Gray
Brick Arch 1 x 3 Brick Arch 1 x 3
Part #: 4490 Light Bluish Gray
Flag 4 x 1 Wavy [First Wave Right] Flag 4 x 1 Wavy [...
Part #: 4495b Red
Flag 4 x 1 Wavy [First Wave Right] Flag 4 x 1 Wavy [...
Part #: 4495b Pearl Gold
Flag 4 x 1 Wavy [First Wave Right] Flag 4 x 1 Wavy [...
Part #: 4495b Blue
Treasure Chest Bottom with Rear Slots, with Groove Treasure Chest Bo...
Part #: 4738b Reddish Brown
Treasure Chest Lid [Thick Hinge] Treasure Chest Li...
Part #: 4739a Reddish Brown
Dish 2 x 2 Inverted [Radar] Dish 2 x 2 Invert...
Part #: 4740 Black
Rock Panel 2 x 4 x 6 Rock Panel 2 x 4 x 6
Part #: 47847 Dark Bluish Gray
Technic Axle Connector Hub with 4 Bars at 90° Technic Axle Conn...
Part #: 48723 Dark Bluish Gray
Creature Body Part, Dragon Head Upper Jaw with Large Black Scales and Yellow Eyes Print Creature Body Par...
Part #: 50108pr0003 Red
Creature Body Part, Dragon Wing 19 x 11 with Marbled Red Pattern Creature Body Par...
Part #: 51342pat0008 Black
Creature Body Part, Dragon Tail Barbed, Stopper Ring with Marbled Black Pattern Creature Body Par...
Part #: 51874apat0004 Red
Animal Body Part, Barb / Claw / Tooth / Talon / Horn, Small Animal Body Part,...
Part #: 53451 White
Slope 30° 1 x 1 x 2/3 (Cheese Slope) Slope 30° 1 x 1 x...
Part #: 54200 Yellow
Slope 30° 1 x 1 x 2/3 (Cheese Slope) Slope 30° 1 x 1 x...
Part #: 54200 Light Bluish Gray
Slope 30° 1 x 1 x 2/3 (Cheese Slope) Slope 30° 1 x 1 x...
Part #: 54200 Pearl Gold
Plant / Creature Body Part, Vine / Tail / Tentacle / Bionicle Spine, Spiky Plant / Creature ...
Part #: 55236 Dark Green
Creature Body Part, Dragon Arm, Left with Black Claws Pattern Creature Body Par...
Part #: 59217pat0001 Red
Creature Body Part, Dragon Arm, Right with Black Claws Pattern Creature Body Par...
Part #: 59218pat0001 Red
Creature Body Part, Dragon Torso with Black Dorsal Scales Pattern Creature Body Par...
Part #: 59224pat0004 Red
Creature Body Part, Dragon Neck, S-Curve with Black Moveable Ball Joint Pin Creature Body Par...
Part #: 59225c02 Red
Cone 1 x 1 [Top Groove] Cone 1 x 1 [Top G...
Part #: 59900 Light Bluish Gray
Cone 1 x 1 [Top Groove] Cone 1 x 1 [Top G...
Part #: 59900 Blue
Brick Special 1 x 1 with Clip Vertical [Open O Clip, Hollow Stud] Brick Special 1 x...
Part #: 60475b Dark Bluish Gray
Door Frame 1 x 4 x 6 Type 2 Door Frame 1 x 4 ...
Part #: 60596 Black
Door 1 x 4 x 6 Barred with Stud Handle Door 1 x 4 x 6 Ba...
Part #: 60621 Pearl Titanium
Panel 1 x 4 x 5 with Arched Window Panel 1 x 4 x 5 w...
Part #: 60808 Dark Bluish Gray
Wave / Flame Rounded with Base Rim Wave / Flame Roun...
Part #: 6126b Trans-Neon Orange
Plate Round 1 x 1 with Solid Stud Plate Round 1 x 1...
Part #: 6141 Tan
Plate Round 1 x 1 with Solid Stud Plate Round 1 x 1...
Part #: 6141 Trans-Red
Creature Body Part, Dragon Leg, Right with Black Claws and Hip Print Creature Body Par...
Part #: 62436pat0004 Red
Creature Body Part, Dragon Leg, Left with Black Claws and Hip Print Creature Body Par...
Part #: 62438pat0004 Red
Leg Skeleton Leg Skeleton
Part #: 6266 White
Equipment Key Equipment Key
Part #: 62808 Dark Bluish Gray
Equipment Telescope / Torch / Spyglass, Support Round 1 x 1 x 1 2/3 Equipment Telesco...
Part #: 64644 Dark Brown
Flame / Headwear Accessory Plume / Feather, Triple Point Flame / Headwear ...
Part #: 64647 Blue
Flame / Headwear Accessory Plume / Feather, Triple Point Flame / Headwear ...
Part #: 64647 Trans-Neon Orange
Hose Rigid 3mm D. 3L / 2.4cm Hose Rigid 3mm D....
Part #: 75c03 Reddish Brown
Weapon Sword / Shortsword Elaborate Hilt Weapon Sword / Sh...
Part #: 76764 Flat Silver
Wave / Flame Rounded Large with Marbled Trans-Yellow Pattern Wave / Flame Roun...
Part #: 85959pat0003 Trans-Red
Brick Round 4 x 4 Centre Hole Brick Round 4 x 4...
Part #: 87081 Reddish Brown
Panel 1 x 2 x 3 [Side Supports / Hollow Studs] Panel 1 x 2 x 3 [...
Part #: 87544 Black
Plate Special 2 x 2 with Groove and Center Stud (Jumper) Plate Special 2 x...
Part #: 87580 Dark Tan
Wedge 2 x 2 Facet Wedge 2 x 2 Facet
Part #: 87620 Black
Animal Body Part, Barb / Claw / Tooth / Talon / Horn, Medium Animal Body Part,...
Part #: 87747 Black
Plate Special 1 x 2 with Bar Up [Horizontal Arm 5mm] Plate Special 1 x...
Part #: 88072 Light Bluish Gray
Launcher, 1 x 4 with 1 x 2 Plate with Pin Hole and Bucket (Catapult) Launcher, 1 x 4 w...
Part #: 88289 Dark Brown
Plate Special 10 x 10 Octagonal with Hole Plate Special 10 ...
Part #: 89523 Dark Tan
Plate Special 10 x 10 Octagonal with Hole Plate Special 10 ...
Part #: 89523 Green
Insect Accessory, Spider Web, Hanging Insect Accessory,...
Part #: 90981 White
Plate Special 1 x 2 [Top Clip] Plate Special 1 x...
Part #: 92280 Light Bluish Gray
Bar 1L with Top Stud and Two Side Studs Bar 1L with Top S...
Part #: 92690 Pearl Gold
Slope 45° 2 x 1 with 2/3 Cutout [Original Version] Slope 45° 2 x 1 w...
Part #: 92946 Blue
Slope 45° 2 x 1 with 2/3 Cutout [Original Version] Slope 45° 2 x 1 w...
Part #: 92946 Black
Brick Round 2 x 2 [Grill] Brick Round 2 x 2...
Part #: 92947 Light Bluish Gray
Brick Arch 1 x 6 Raised Arch Brick Arch 1 x 6 ...
Part #: 92950 Black
Brick Arch 1 x 6 Raised Arch Brick Arch 1 x 6 ...
Part #: 92950 Dark Bluish Gray
Weapon Pike / Spear Flat End Weapon Pike / Spe...
Part #: 93789 Flat Silver
Weapon Pike / Spear Flat End Weapon Pike / Spe...
Part #: 93789 Pearl Gold
Brick and Axle Separator v2.0 Brick and Axle Se...
Part #: 96874 Orange
Money / Coin with "1" Gothic Type Money / Coin with...
Part #: 96904 Chrome Gold
Money / Coin with "2" Gothic Type Money / Coin with...
Part #: 96905 Chrome Gold
Money / Coin with "5" Gothic Type Money / Coin with...
Part #: 96906 Chrome Gold
Money / Coin with "10" Gothic Type Money / Coin with...
Part #: 96907 Chrome Gold
Tile Round 1 x 1 Tile Round 1 x 1
Part #: 98138 Flat Silver
Tile Round 1 x 1 Tile Round 1 x 1
Part #: 98138 Blue
Tile Round 1 x 1 with Padlock Print Tile Round 1 x 1 ...
Part #: 98138pr0014 Pearl Gold
Brick Special 1 x 2 with Masonry Brick Profile Brick Special 1 x...
Part #: 98283 Dark Tan
Weapon Sword / Greatsword Pointed with Thin Crossguard Weapon Sword / Gr...
Part #: 98370 Pearl Titanium
Tile Special 1 x 2 with Sloped Walls AKA Money / Gold Bar [Ingot] Tile Special 1 x ...
Part #: 99563 Chrome Gold
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Charts Inventory Statistics

141
Unique Parts
348
Total Pieces
5
Minifigures
Inventory Version: 1