On Saturday in Tydings Park in Havre de Grace, the 24th Children's Art Festival and Contest runs 11 a.m. to 3 p.m. for children under 12. Sponsored by the Havre de Grace Arts Commission; call 410-939-0023 or 410-939-2100 for details. Bring old clothes and old pantyhose to make scarecrows. Free admission, children must be accompanied by an adult. Enjoy Roy Owen's "Hats Off to America," live music with songs and stories, (11:15 a.m. and 12:15, 1:15 and 2:15 p.m.). Also see dance, cheerleading, fuzzy animals, reptiles, face painting, hands-on-crafts, fire engine and children's art contest.