Use this voucher for a day of fun in the sun at California's Great America! Ride the world's tallest and fastest wooden roller coaster, make a splash at the Boomerang Bay water park, bring the little ones to kidzville, and don't miss the live entertainment... there's something for everyone! Valid during any 2014 or 2015 operating day except July 1-4 or on special ticketed events such as Halloween Haunt.