$39.50; $33 (ages 62+ and military with ID); $27 (ages 3-11); $10.50 (ages 0-2). Ticket rates do not include a 5 percent convention center fee. A limited number of tickets is available on a first-come, first-served basis; tickets are sometimes available up to 30 days in advance.
Hours: Tours depart from the Prudential Center, Museum of Science and New England Aquarium daily 9 a.m.-1 hour before sunset, Mar. 21-Nov. 26. Tours depart from the Prudential Center Fri., Sat., Sun. 9 a.m.-1 hour before sunset, Dec. 1-17 (weather permitting). Phone ahead to confirm schedule.