Soundbridge - Benaroya Hall has Free Admission after 12pm on Fridays

Go and explore their interactive musical exhibits with free admission at noon on Fridays. Then stick around for the free musical storytelling at 1:30pm, geared toward kids age 2-5. 

 http://www.seattlesymphony.org/soundbridge/browse/eventdetail.aspx?id=2520

http://www.seattlesymphony.org/soundbridge/about/