Summer Saturdays: Origami. 10 a.m.-noon, Robie House, 5757 S. Woodlawn Ave., 312-994-4000, gowright.org, $5 per child, free for accompanying adult. Participants learn basic origami folds and about Japanese art’s influence on Frank Lloyd Wright’s work. For children ages 8 and up with an adult. Visit the Frank Lloyd Wright Preservation Trust’s website to purchase tickets.