The National Park Service invites families and friends to National Junior Ranger Day on Saturday, May 14, from 1 to 4 pm at the Schoodic Institute in Winter Harbor. Kids will create art, spot wildlife and enjoy a dozen other activities. Hot dogs and s’mores will be provided. Children must be accompanied by an adult, and everyone should come prepared for rain or shine. Picnics are welcome, and carpooling is encouraged. For more information, call 288-3338.