Stilt-walkers, jugglers, face-painting, balloon animals, hula-hoopers, a rock wall, a jumping castle and a mini-train are part of the Children's Museum's birthday celebration from 10 a.m. to 2 p.m., Saturday, March 19th. Free. Arizona Theatre Company joins the celebration with a 1940s-themed family fair featuring performances, community booths, vintage cars and more at the Temple of Music and Art (330 S. Scott Ave.), just one block southwest of the museum. Free. Call or visit tucsonchildrensmuseum.org for more information.