The exhibit is included with the cost of museum admission, which is $18 for adults, $13 for kids ages 3 to 13 and $15 for seniors. Purchase tickets at omsi.edu. Museum hours are 9:30 a.m. to 5:30 p.m. Tuesdays through Fridays and Sundays and 9:30 a.m. to 7 p.m. Saturdays. The museum, 1945 S.E. Water Ave., Portland, is closed on Mondays.