6078 Royal Drawbridge attaches perfectly to the side gate of 6090 Royal Knight's Castle. They didn't have many sets but I love this faction : r/lego
LEGO Castle: Royal Knight's Castle (6090) for sale online | eBay
LEGO 6090: Royal Knight's Castle | Brickset: LEGO set guide and database
LEGO - 6090 - Castle Royal Knight's Castle - Catawiki
LEGO 6090 Royal Knight's Castle w/Instructions 42884060909 | eBay
Lego 6090 System Royal Knights Castle, Brand New & Sealed, Box Damage | eBay
6090-1 Royal Knight's Castle from BrickLink Studio
Lego 6090 Royal Knight's Castle - 1995 - Speed Build for Collecrors - Brick Builder - YouTube
Brick Set Search - LEGO 6090 Royal Knight´s Castle & 6086 Black Knight´s Castle 🔗 https://www.ebay.com/itm/234375680809?mkevt=1&mkcid=1&mkrid=711-53200-19255-0&campid=5338746280&toolid=10049&customid=EI234375680809&nordt=true ⸻⸻⸻ More information ...
LEGO Royal Knights Castle 6090 (review) - YouTube
LEGO 6090 Royal Knight's Castle | BrickEconomy
LEGO 6090 6094 Royal Knight's Castle 1995 Knights Kingdom 2000 Vintage Set of 2 | eBay
LEGO Castle: Royal Knight's Castle (6090) for sale online | eBay
Castle - 6090 - Royal Knight's Castle - Catawiki
LEGO 6090 Royal Knight's Castle Instructions, Castle