Return to the Kingdom!
The classic Black Castle is back!

Relive the nostalgia of this 2005 set, featuring 386 pieces of medieval adventure and fortress building.

🏛 Castle
Set #4785

Black Castle

The Black Castle is a nostalgic trip back to classic LEGO Castle.

🏆 Best For: Ideal for parents and young children (ages 4-7) who enjoy building and imaginative play. ⏱ 4.5 hr build 🧩 386 pcs
★★★★☆ 4.2

Fans appreciate the Black Castle for its nostalgic appeal and its suitability for young children. The large Duplo bricks and simple construction make it easy for kids to build and play with, but some adult collectors may find it less engaging than more complex LEGO sets.

MSRP
$99.99
Best Price
$89.99
You Save
10% OFF
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📝 Our Take

The Black Castle is a nostalgic trip back to classic LEGO Castle. Released in 2005, this set offers a unique Duplo take on the iconic medieval fortress, featuring imposing black walls, functional elements, and a distinctly playful aesthetic that sets it apart from more serious Castle offerings.

This set is perfect for parents looking to introduce their young children to the LEGO Castle theme. The larger Duplo bricks are easy for small hands to manage, and the set provides a fun, engaging building experience with plenty of imaginative play potential, fostering creativity and storytelling.

Skip this if you are an adult collector looking for a highly detailed or challenging build. This set is designed for younger children, and those seeking a more intricate Castle experience should consider sets from the LEGO Castle or Kingdoms themes designed for older builders.

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🧱 Building Experience

🧩
386
Pieces
4.5h
Build Time
📊
Beginner
Difficulty
Build Highlights:
  • Easy-to-handle Duplo bricks for small hands
  • Simple building techniques perfect for young children
  • Functional elements like opening doors and a raising drawbridge
  • Classic castle design with a playful Duplo aesthetic

📈 Investment Analysis

↑ Trending up since release
B+
Investment Grade
⏳ Appreciating
The Black Castle (4785-1) presents a unique investment opportunity due to its status as a Duplo set within the Castle theme. While Duplo sets are not typically targeted by adult collectors, the rarity of Castle-themed Duplo sets and the set's age contribute to its increasing value. The current high price reflects its scarcity and appeal to collectors interested in completing their Castle collections or acquiring unique Duplo items. However, the niche nature of Duplo sets means demand may be limited compared to standard LEGO sets, so it's essential to monitor market trends.

Not Financial Advice: Content is for educational purposes only. Past performance doesn't guarantee future results. Full disclaimer

Compare Similar Sets

The Black Castle stands out as a unique Duplo interpretation of the classic Castle theme. While standard LEGO Castle sets like 70404-1 (King's Castle) offer more intricate building experiences and minifigure-based play, the Black Castle provides a simpler, more accessible entry point for younger children. Collectors seeking a nostalgic Duplo experience or those looking to introduce young children to the Castle theme may prefer this set over others.

📦 Full Parts Inventory - 58 unique parts • 387 total pieces

Duplo Ladder Stand Duplo Ladder Stand
Part #: 2223 Black
Duplo Ladder 8 Rung Duplo Ladder 8 Rung
Part #: 2224 Reddish Brown
Duplo Brick 2 x 4 Duplo Brick 2 x 4
Part #: 3011 28× Black
Duplo Brick 2 x 4 Duplo Brick 2 x 4
Part #: 3011 23× Dark Bluish Gray
Duplo Fence 1 x 6 x 2 Duplo Fence 1 x 6...
Part #: 31021 Reddish Brown
Duplo Table Round 4 x 4 x 1.5 Duplo Table Round...
Part #: 31066 Reddish Brown
Duplo Brick 2 x 2 x 2 Duplo Brick 2 x 2...
Part #: 31110 28× Black
Duplo Brick 2 x 2 x 2 Duplo Brick 2 x 2...
Part #: 31110 10× Dark Bluish Gray
Duplo Door 1 x 4 x 4 with Nine Panes Duplo Door 1 x 4 ...
Part #: 31171 Pearl Light Gray
Duplo Barrel Duplo Barrel
Part #: 31180 Reddish Brown
Duplo Brick 2 x 2 Duplo Brick 2 x 2
Part #: 3437 14× Dark Bluish Gray
Duplo Brick 2 x 2 Duplo Brick 2 x 2
Part #: 3437 Dark Red
Duplo Brick 2 x 2 Duplo Brick 2 x 2
Part #: 3437 14× Black
Duplo Brick 1 x 2 x 2 Duplo Brick 1 x 2...
Part #: 4066 Dark Bluish Gray
Duplo Brick 1 x 2 x 2 Duplo Brick 1 x 2...
Part #: 4066 16× Black
Duplo Plate 2 x 4 Duplo Plate 2 x 4
Part #: 40666 Dark Bluish Gray
Duplo Plate 2 x 4 Duplo Plate 2 x 4
Part #: 40666 18× Reddish Brown
Duplo Plate 2 x 4 Duplo Plate 2 x 4
Part #: 40666 Black
Duplo Brick 1 x 2 x 2 with Nailed Crossed Wooden Boards Print Duplo Brick 1 x 2...
Part #: 4066pr0005 Reddish Brown
Duplo Brick 1 x 2 x 2 with Stones with Arrow Slit Print Duplo Brick 1 x 2...
Part #: 4066pr0068 Black
Duplo Brick 2 x 2 x 2 with Vertical Grooves Duplo Brick 2 x 2...
Part #: 41978 Dark Bluish Gray
Duplo Brick 2 x 8 Duplo Brick 2 x 8
Part #: 4199 Dark Bluish Gray
Duplo Plate 2 x 2 with Tow Rope Holder Arms Duplo Plate 2 x 2...
Part #: 42026 Reddish Brown
Duplo Brick 1 x 2 x 2 with Side Cutouts and Channel in Top Duplo Brick 1 x 2...
Part #: 42234 Black
Duplo Plate 1 x 2 with Overhang, with Phoenix on Black Shield Print Duplo Plate 1 x 2...
Part #: 42236pr0008 Dark Red
Duplo Plate 2 x 8 Duplo Plate 2 x 8
Part #: 44524 Dark Bluish Gray
Duplo Winch Drum Narrow High with White String and Black Hook with Stud Case Duplo Winch Drum ...
Part #: 46321c02 Pearl Light Gray
Duplo Winch Drum, Black Thin Rotating Hook with Stud Case, String Duplo Winch Drum,...
Part #: 4653c03 Light Bluish Gray
Duplo Plate 4 x 8 Duplo Plate 4 x 8
Part #: 4672 Dark Bluish Gray
Duplo Plate 4 x 8 Duplo Plate 4 x 8
Part #: 4672 Reddish Brown
Duplo Treasure Chest 2 x 4 x 3 Duplo Treasure Ch...
Part #: 48036 Dark Red
Duplo Treasure / Gold Duplo Treasure / ...
Part #: 48647 Pearl Gold
Duplo Horse Trough 2 x 4 x 2 Duplo Horse Troug...
Part #: 4882 Red
Duplo Plate 8 x 8 Duplo Plate 8 x 8
Part #: 51262 Dark Bluish Gray
Duplo Door 1 x 4 x 4 with Rounded Top and Handle - Castle Duplo Door 1 x 4 ...
Part #: 51288 Reddish Brown
Duplo Building Wall 1 x 8 x 8 with Door Opening - Castle Duplo Building Wa...
Part #: 51695 Black
Duplo Building Wall 1 x 8 x 8 with Window Opening - Castle Duplo Building Wa...
Part #: 51697 Black
Duplo Plate 3 x 4 x 2 1/3 Rampart Duplo Plate 3 x 4...
Part #: 51698 Dark Bluish Gray
Duplo Plate 3 x 4 x 2 1/3 Rampart Duplo Plate 3 x 4...
Part #: 51698 36× Black
Duplo Door Sliding Grille 6 x 7 Duplo Door Slidin...
Part #: 51702 Pearl Light Gray
Duplo Wave (Fire, Water, Flame) 2 x 1 x 5 with Marbled Bright Light Orange Tip Duplo Wave (Fire,...
Part #: 51703pr0001 Red
Duplo Brick 2 x 10 x 2 Arch with Stonework Print Duplo Brick 2 x 1...
Part #: 51704pr9999 Black
Duplo Plate 8 x 8 with Trap Door Opening Duplo Plate 8 x 8...
Part #: 51705 Black
Duplo Trap Door Grate 4 x 4 Duplo Trap Door G...
Part #: 51706 Pearl Light Gray
Duplo Flagpole / Antenna 1 x 9 Duplo Flagpole / ...
Part #: 51708 Pearl Light Gray
Duplo Shield, Angled Triangle with Phoenix Print Duplo Shield, Ang...
Part #: 51711pr0003 Pearl Gold
Duplo Sword, Thick Duplo Sword, Thick
Part #: 51714 Pearl Gold
Duplo Sword, Thick Duplo Sword, Thick
Part #: 51714 Pearl Light Gray
Duplo Flag Wavy 2 x 5 with Slits Duplo Flag Wavy 2...
Part #: 51725 Red
Duplo Flag Wavy 2 x 5 with Red Phoenix and Yellow Fire Print Duplo Flag Wavy 2...
Part #: 51725pr0008 Black
Duplo Armor with Gold Helmet, and Gold Breastplate and Phoenix Print Duplo Armor with ...
Part #: 51727pr0003 Black
Duplo Armor with Gold Helmet with Black Top, with White Rivets and Phoenix Print Duplo Armor with ...
Part #: 51727pr0004 Black
Duplo Armor with Yellow Top Feather and Blue and Yellow Breastplate with Lion and Crown Print Duplo Armor with ...
Part #: 51728pr0002 Metallic Silver
Duplo Spiked Flail / Mace Duplo Spiked Flai...
Part #: 51731 Black
Duplo Brick 4 x 3 x 3 Wry Inverted Duplo Brick 4 x 3...
Part #: 51732 Dark Bluish Gray
Duplo Brick 4 x 3 x 3 Wry Inverted Duplo Brick 4 x 3...
Part #: 51732 11× Black
Duplo Figure with Rounded Head with Dark Bluish Gray Legs, Brown Chest, Dark Bluish Gray Arms, Dark Bluish Gray Hands (Phoenix Soldier) Duplo Figure with...
Part #: 51741pr0007 Reddish Brown
Duplo Figure with Rounded Head with Black Legs, Dark Bluish Gray Chest with Brown Belts, Dark Bluish Gray Arms, Dark Bluish Gray Hands Duplo Figure with...
Part #: 51741pr0008 Dark Bluish Gray
Duplo Crossbow (51786) Duplo Crossbow (5...
Part #: 51786 Reddish Brown
Duplo Broadaxe Duplo Broadaxe
Part #: 51996 Pearl Gold
Duplo Broadaxe Duplo Broadaxe
Part #: 51996 Pearl Light Gray
Duplo Building Wall, 4 x 6 x 6 Curved Turret (Castle) Duplo Building Wa...
Part #: 52024 Black
Duplo Roof Spire Duplo Roof Spire
Part #: 52025 Dark Red
Duplo Dragon Large with Tan Underside Duplo Dragon Larg...
Part #: 5334c01pr0002 Dark Green
Duplo Winch Drum Holder 2 x 2 x 3 Duplo Winch Drum ...
Part #: 55007 Black
Duplo Panel 1 x 2 x 1 2/3 Sloped with 3 Embossed Gauges Duplo Panel 1 x 2...
Part #: 6428 Black
Duplo Brick 2 x 2 Slope 45° Duplo Brick 2 x 2...
Part #: 6474 Dark Red
Duplo Brick 2 x 2 Slope 45° Duplo Brick 2 x 2...
Part #: 6474 Black
Duplo Plate 8 x 16 Duplo Plate 8 x 16
Part #: 6490 Dark Bluish Gray
Duplo Staircase, Curved with Drawer Slots Duplo Staircase, ...
Part #: 6511 Dark Bluish Gray
🧱 Duplo Figure with...
Part #: 51741pr0014 White
The set includes a large number of black and dark bluish gray Duplo bricks, which are useful for building larger structures. The Black Duplo Brick 2 x 10 x 2 Arch with Stonework Print is a unique and valuable piece for Duplo castle builders.

🛒 Where to Buy

eBay
✓ In Stock
$89.99
Walmart
✓ In Stock
$94.99
Target
✓ In Stock
$99.99
Amazon

💎 Notable Parts

Black Duplo Plate 3 x 4 x 2 1/3 Rampart (36x) $5.40
Black Duplo Brick 2 x 4 (28x) $2.80
Dark Bluish Gray Duplo Brick 2 x 4 (23x) $2.30
Black Duplo Brick 2 x 10 x 2 Arch with Stonework Print (7x) $14.00
Red Duplo Wave (Fire, Water, Flame) 2 x 1 x 5 with Marbled Bright Light Orange Tip (6x) $6.00
Est. BrickLink Part Value
$30.50

💡 MOC Potential

🏰 Expand the castle with additional towers and walls
🌳 Create a surrounding landscape with forests and hills
🏛 Design a medieval village around the castle

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Charts Inventory Statistics

58
Unique Parts
386
Total Pieces
0
Minifigures
Inventory Version: 2