The Celebrate Holliston parade and field day will be held Saturday starting at 9 a.m. with a parade through town, followed by a variety of activities at Goodwill Park from 10 a.m. to 4 p.m. Kids are encouraged to join the parade on decorated bicycles and doll carriages. Preregistration is not required, but participants should be at the Placentino School between 8:15 and 8:45 a.m. The field day will include entertainment and children’s activities, as well as the opportunity to meet local business and community organizations. In addition, judges will award prizes in a baking contest throughout the day. To participate, bring a homemade item to the Harvest Tent before noon. Full story for BostonGlobe.com subscribers.