WILD AND WIGGLY -- Wednesday at 10:30 and 11:30 a.m. Ages 4 and older. Animated shorts about beetles, cows, lizards, pigs and more. National Gallery of Art, East Building, Auditorium, Fourth Street and Constitution Avenue NW. Free. 202-789-4995.

SEUSSICAL THE MUSICAL -- Opens Friday. Through July 31. Dr. Seuss characters are brought to the stage in this musical by Lynn Ahrens, Stephen Flaherty and Eric Idle. Thomas Jefferson Community Theatre, 125 S. Old Glebe Rd., Arlington. $15; seniors, students and children $10. 703-548-1154, Ext. 1.

MARS DAY! -- Friday, 10 a.m.-3 p.m. A celebration of the red planet includes art activities, a quiz show, story time and 3-D images of Mars. National Air and Space Museum, Seventh Street and Independence Avenue SW. Free. 202-633-1000.

PAPER MODELERS CONVENTION -- Saturday, 10 a.m.-6 p.m. Planes, castles, ships and more are on display; a builder's table lets visitors create their own models. Days Hotel at Dulles, 2200 Centerville Rd, Herndon. Free. 703-620-9720.

THE HOGWASH SCHOOL OF MAGIC, JUGGLING AND COMEDY -- Saturday at noon. Robert Strong performs a high-energy variety show. S. Dillon Ripley Center, Discovery Theater, 1100 Jefferson Dr. SW. $10. 202-357-3030.