Build anything you dream up at our new architecture and engineering exhibit! Opening November 24, the Saint Louis Center’s new exhibit Dream It. Build It. encourages guests to play, experiment, and build while being inspired by the architecture of St. Louis. The exhibit introduces guests to the concepts of engineering, design, architecture, and construction. The 2,500-square-foot exhibit features more than 15,000 KEVA® building planks (small wooden blocks); large, foam Imagination Playground blocks; and other materials.