User Summary: The Prison Passage is part of Caverns Deep! The Prison Passage is a complete kit with multiple subcomponents to build the Prison Passage Encounter Area in Caverns Deep! It is made of "Dwarvenite" and includes some metal and magnetized parts. Some parts have LED circuitry (switch, battery, and socket) to support LED lighting attachments. This item was initially available as an add-on for the Build Your own Cavern pledge level and included in one of the other pledge levels during the Caverns Deep! Kickstarter. The item is available in painted and unpainted versions. The Prison Passage contains the following subsets: Prison Passage - Core Pack 2 Prison Passage - Adventure Pack 2 Double Door Pack