LEGO Medieval Castle (31120) – The Red Balloon Toy Store
LEGO Harry Potter Hogwarts Courtyard: Sirius's Rescue 76401 Castle Tower Toy, Collectible Set with Buckbeak Hippogriff Figure and Prison Cell - Walmart.com
LEGO Creator - Medieval Castle - Best for Ages 9 to 12
LEGO MOC 31120 - Prison by Tavernellos | Rebrickable - Build with LEGO
MOC-72193 Pirate Prison
LEGO Castle: Prison Tower Rescue (7947) for sale online | eBay