The Ruined Large Tower Pack is part of the Castle Builder System. It is made of "Dwarvenite". This item was initially available as an add-on to a pledge level during the Castle Builder System Kickstarter. It was not advertised during the Kickstarter campaign but was made available during the final order. This pack was specifically designed as an add-on to the Large Tower. The item comes in both painted and unpainted versions.
The Ruined Large Tower Pack comes with these 8 pieces:
(2) 6in Tower Ruined Half Wall - Left
(2) 6in Tower Ruined Half Wall - Middle
(2) 6in Tower Ruined Half Wall - Right
(2) Short Rubble Pile