User Summary: The Large Tower Balcony & Bridge Base Pack is part of the Castle Builder System. It is made of "Dwarvenite" and includes some metal and magnetized parts. This item was initially available as an add-on to a pledge level during the Castle Builder System Kickstarter. This pack was specifically designed as an add-on to the Large Tower. The item comes in both painted and unpainted versions. The Large Tower Balcony & Bridge Base Pack comes with these 8 pieces: (2) Stone Balcony Platform (2) 6in Tower Half - Bridge Base (1) Stone Balcony Railing (1) Crenellated Balcony (2) Short Stair (Not in Kickstarter version)