•Sittercize. Monday, Wednesday and Friday, 1 p.m. Eighteen classes for $39.
Century Plaza 1000, Suite 400, 10630 Little Patuxent Pkwy., Columbia. 410-730-4976.
•jGroup. Programs for ages 55 and older. One Tuesday a month, 10:30 a.m. Meets at The Bain Center; and third Wednesday, 11:30 a.m Meets at the Jewish Federation of Howard County Office. email@example.com, 410-730-4976, ext. 103, or http://www.jewishhowardcounty.org.
3300 Norbert's Way, Ellicott City. 410-313-7311.
•Bingo. First Fridays, 1 p.m. Ages 55 and older.
•Blood Pressure Screening. First Wednesdays and third Fridays, 9:15 a.m. Ages 55 and older. Free.
•Bridge for Beginners. Fridays, beginning Sept. 20, 9:30 a.m. for eight weeks. Ages 55 and older. $72 plus $20 materials fee.
•Community Knitting and Crocheting Group. Second and fourth Wednesdays, 1-3 p.m. Knit and crochet afghans, blankets, baby wear and more for local charities, hospitals and senior centers.
•Duplicate Bridge. Wednesdays, noon-3:30 p.m.; and Fridays, 9:15 a.m.-12:30 p.m. Drop in for a few hours of duplicate bridge. Bring a bag lunch; coffee, tea and treats will be available.
•Mah Jongg. Wednesdays, 1 p.m. Ages 55 and older. Free.
•More Basics of Defense. Fridays, beginning Sept. 20, 12:30 p.m. for four weeks. Ages 55 and older. $36.
•Pinochle. Wednesdays and Fridays, 9:30 a.m. Ages 55 and older.
Longwood Senior Center
6150 Foreland Garth, Columbia. 410-313-7217.
•Art Therapy. Second and fourth Friday, 11 a.m.-noon.
•Coffee and Game Social. Tuesdays and Thursdays, 10 a.m.-2 p.m.
•Computer Classes. Monthly, 11 a.m.-2 p.m. Free. Call center for dates and description.