Calling all families and science enthusiasts to dive into a world of wonder and learning at the 40th Annual Mendocino County Science and Engineering Fair & S.T.E.A.M. Expo. Student projects  Saturday March 21 • Hands-on activities • Interactive booths & demonstrations • Community organizations • Art activities • Live music • Food trucks! Bring the whole family to this celebration of science! Admission is free for all. Public viewing of student projects is 3-4:30 pm. The STEAM Festival runs all day.