LET'S READ ABOUT AFRICA -- Thursday-Saturday at 10:30 a.m. Beatrice Biira reads from the book inspired by her life, "Beatrice's Goat," which tells how her Ugandan family received a gift that helped lift them out of poverty. National Museum of African Art, 950 Independence Ave. SW. Free. 202-633-4600.

BASEBALL BLAST FAMILY FESTIVAL -- Saturday, 10:30 a.m.-4 p.m. A look at the history and whimsy of the game. Watch a play about the Negro Leagues, see how bats are made, dress like an umpire and make the calls, sample hot dogs from different ballparks, and more. National Museum of Natural History, 10th Street and Constitution Avenue NW. Free. 202-357-2700.

CAPITAL CHILDREN'S MUSEUM COMMUNITY DAYS -- Saturday and Aug. 1, 10 a.m.-5 p.m. Explore a prehistoric cave, star in a cartoon, learn how to drive a Metro bus and more. Last chance to see the museum before it closes Aug. 22. Capital Children's Museum, 800 Third St. NE. Free. 202-675-4120.

BLUE MOON SIDEWALK PAINTING FESTIVAL -- Aug. 1, 9 a.m.-5 p.m. Learn street painting in the style of the Italian Renaissance. Create your own masterpiece or help make a 70-foot mural of the solar system. Meet by the Clarendon Metro. 1116 N. Hudson St., Arlington. $20. For reservations, call 703-528-4800.