​Structural design of five buildings on top of the existing Moscone Convention Center roof is ongoing. The complex includes a large ice skating rink, a 12-lane bowling center, a child care center, a unique Studio for Technology and the Arts, the restored Playland-at-the-Beach carousel, and 130,000 square feet of outdoor gardens with an emphasis on discovery, nature, and play. The total floor area of the new construction is 90,000 square feet.