FREE. Teens only. Build a Valentine’s Day gingerbread house using festive candy, icing, and other tasty decorations. All materials provided. Advanced registration required. 4–5:30 p.m. Roseland Library. 470 Sebastopol Rd., Santa Rosa. Other Sonoma Library branches will host this event. View schedule & to register: tinyurl.com/4yzx7xb6.