Green “STEM” Play Day in Chet Hobert Park (225 Al Smith Circle, Berryville) is open to ages 3 to 8 and their families. Enjoy songs, stories, games, and St. Patrick’s Day STEM activity. Stroll into the Storybook Forest, where instructor will read classic stories before group makes up some stories of their own. Starts indoors, but dress for going outside, too. Fee is $10. Contact Clarke County Parks & Recreation at 540-955-5140 or ccpr@clarkecounty.gov, or go to the recreation center to register.