The Boston Society of Architects will host the following events at BSA Space (290 Congress Street, Boston):

• Coastal Connections: Teens Take on Sinking Cities:  April 2, 6PM. Free. RSVP.
• Kids Build! : A hands-on event for ages 5-13 to learn about architecture and design as they build a city from the ground up.  (Registration for kids is full but there are wait lists for half-hour time slots on both April 7  and April 8.)
• Family Design Day:  Treehouses: For parents and their kids ages 5-13. May 19, 10:30AM-12:30PM. $10. Buy tickets.
• Family Design Day:  Greening the City: For parents and their kids ages 5-13. June 16, 10:30AM-12:30PM. $10. Buy tickets.

Adults can sign up to volunteer by March 30 for Kids Build! events on April 6, 7, 8, and 15, as well as for the Family Design Days on May 19 and June 16.