CLIMB ON -- Today, 10 a.m.- 3 p.m. Learn the ropes of climbing at Discovery Creek's climb wall. Discovery Creek Children's Museum, Glen Echo Park, 7300 MacArthur Blvd., Glen Echo. $5, younger than two free. 202-337-5111.

THE SORCERER'S APPRENTICE -- Tuesday-Friday at 10:30 a.m., Saturday at 3:30 p.m., Aug. 15 at 12:30 and 3:30 p.m. In this play, a lazy magician's apprentice is tempted to use his master's magic and opens a Pandora's box of trouble. Imagination Stage, Lerner Theatre, 4908 Auburn Ave., Bethesda. $7.50-$12. 301-280-1660.

ANIMAL HUNT -- Tuesday-Thursday at 2 p.m. Ages 6-14 with an adult. Search for animals in the "Arts of China" exhibit, then make an animal mask to wear home. Arthur M. Sackler Gallery, classroom, 12th Street and Independence Avenue SW. Free. 202-633-1000.

SUMMER FUN -- Wednesday, 10:30 and 11:30 a.m. A collection of animated short films from around the world. Find out how an elephant squeezes into a snail's shell,

how a pilot learns to fly by

falling asleep, how a lost

boy and his penguin find their way home, and how three ballerinas stumble into an unexpected stage debut. National Gallery of Art, East Building, Auditorium, Fourth Street and Constitution Avenue NW. Free. 202-789-4995.