Welcome, rebels, to the world of Skyscraper Conquest: Banned Materials.
Here, you'll find all the materials that have been deemed unfit for use by the tyrannical Skyscraper Overlords.
From the most mundane to the most sinister, these materials are the rejects of the construction industry.
Explore, laugh, and cringe at the absurdity of it all.
Our selection of banned materials includes:
Visit our Materials of the Month for more information on the latest and greatest in banned materials.