Publisher's blurb: This big set set gives you colorful 1.5" square grid flat tiles to construct a massive high-security prison complex, perfect for use with modern or superhero miniatures games. Included are tiles to construct high-security cell blocks as well as exercise rooms, generator room, guard rooms and barracks, armories, infirmaries, administration offices, lounges, cafeterias, kitchens and more! This modular set lets you build complexes as big as you want!