To encourage year-round residents of Sarasota and Manatee counties to visit its grounds this summer, Marie Selby Botanical Gardens is hiding 40 binocular sets filled with free passes to the attraction throughout the region. The promotional campaign begins May 31, when 40 binocular sets will be hidden in public places like parks and shopping centers. Anyone who finds a small black case with the Selby Gardens logo on it will find inside two free entry passes to the gardens to use before July 31. The 40 sets with 80 total tickets will be spread out from North Port and Venice to Sarasota, Lakewood Ranch and Bradenton.