FOR CHILDREN

North Strabane -- Canonsburg General Hospital will offer a Safe Sitter class for boys and girls ages 11-13 at 8 a.m. Thursday in McNary Conference Center. A $40 fee includes materials and a T-shirt. Registration is available at 1-877-284-2000.

ON STAGE

Washington -- KTW Young Actors Studio, Washington Mall, will present "Alice in Wonderland" on two weekends. Curtain times are 10 a.m. and 7:30 p.m. Friday and July 11; 2 and 7:30 p.m. Saturday and July 12; and 2 p.m. next Sunday and July 13. For information, call 724-229-8486.

RECREATION

Nottingham --Amateur Astronomers Association of Pittsburgh will hold a Star Party at dusk Saturday in the observatory at Mingo Creek County Park. Free literature on star-gazing will be available. Visitors can use the observatory's refractor and also learn about their own telescopes. The party will be cancelled in the event of bad weather. For details, 724-224-2510.

SEMINARS

Waynesburg -- A free federal government contracting seminar for veteran-owned businesses will be from 9 a.m. to noon Thursday at the Center for Research and Economic Development at Waynesburg University. For information, call Deborah Wojcik at 724-938-5881.