The Northern Virginia Heart Association will be selling heart-shaped sugar cookies made with "heart-healthy ingredients" in the Centre Court of Potomac Mills Mall, 2700 Potomac Mills Circle, Woodbridge, today and tomorrow from 5 to 8 p.m. The cost is $2 to decorate your own cookies or $3 for custom-decorated cookies. All proceeds will go to the American Heart Association for research and public education. For further information, call Sherry Lewis at 643-1203.

*Can't wait for summer and the end of snow days? Summer Solutions can aid parents in finding the best summer camp for their kids at its annual camp fair on Sunday, Feb. 23 from noon to 4 p.m. in the main ballroom of the Westpark Hotel of Tysons Corner, McLean.

Camp directors representing more than 40 camps from Maine to South Carolina will provide literature, show videos and give presentations that show the range of each camp's activities. A variety of traditional, specialty, day, overnight and teen travel camps will be featured.

Admission and parking for the fair is free, and parents are encouraged to bring their children. For more information, call 569-2616 or 573-2980.

*The Powhatan Springs Women's Club will meet today at 10 a.m. at 5960 Wilson Blvd. for a talk and slides on "The National Museum for Women in the Arts" by Deborah Brooks. Lunch will be served after the talk.

Crafts and handiwork made by members during 1985 will be on display and judged for entry in the District and State Craft Days. For more information, call Emmie Griggs at 243-5498.

*The McLean Branch of the American Association of University Women will meet on Thursday, Feb. 20 at 7:30 p.m. for coffee and a talk by Barbara Adams, whose pen name is Barbara Shiels, the recipient of a research grant from the AAUW's Educational Foundation to complete her children's book on women who have been awarded the Nobel Prize. The meeting will take place at the McLean Community Center, 1236 Ingleside Ave., McLean. For more information, contact Betsy Schroeder at 356-4352.

*"Encouraging Creativity in Your Child" will be presented for parents of children ages 2 to 6 at 7:30 tonight at the Westover Branch Library, 1800 N. Lexington St., Arlington. The speaker will be Sherry Olstein, former preschool teacher and director.

The program is free and open to all. For information, call 538-5070.