The ACGA Clay & Glass Festival in Palo Alto is a free, fun-filled celebration of clay and glass art July 13 and 14 at the Palo Alto Art Center, 1313 Newell Road. Celebrating its 27th year, the Festival features both fine and functional art. It is the largest show of its kind, with 140 juried artists displaying their best clay and glass work. Meet the artists from the Association of Clay and Glass Artists of California and learn about their art. Enjoy a variety of engaging activities, including hands-on pottery-making and ikebana demonstrations, and a clay art project for artists of all ages. Admission is free and valet parking is available. Details at www.clayglassfestival.com.