Pop-up Mystery Monday, September 19, 2016 2:00pm 3:00pm 14:00 15:00 The Children's Museum of Sonoma County 1835 West Steele Lane Santa Rosa, CA, 95403 United States Every Monday we'll be bringing out the fun from 2 PM - 3 PM. Each week it's a surprise! Will it be science? Will it be art? Come and find out!