Valid for any tour in 2019 departing in Apr, May, Sept, Oct, or Nov departing from Museum of Science location. Must be redeemed at the ticket booth for specific date and time. 

The fun begins as soon as you board your DUCK. That's right, Boston Duck Tours has donated two passes to experience a tour of Boston during the months of April, May, September, October, or November. You'll cruise through Boston on a WWII style amphibious landing vehicle from the Golden Dome State House to the Boston Common, to the historic North End and Quincy Market.

Boston Duck Tours web site