•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.
•Pinochle. Wednesdays and Fridays, 9:30 a.m. Ages 55 and older.
•What to be Alert to After Signing up for Medicare. After signing up for Medicare, learn how to get the most out of coverage and reduce problems or confusion. To register, 410-313-7391.
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.
•Group exercise. Wednesdays and Fridays, 9-10 a.m. Free.
•Line Dance. Mondays, 1-2 p.m.
•Yoga. Most Wednesdays, 10-11 a.m. Call center to confirm dates. Donation.
North Laurel50+ Center
9411 Whiskey Bottom Road, Laurel. 410-313-0380.
•Agewell Exercise Class. Tuesdays and Thursdays, 10 a.m. Sixteen classes for $35.
•Billiards. Weekdays, 9 a.m.
•Blood Pressure Screening. Tuesdays, 10:30 a.m.
•Computer Classes. Call for descriptions of offerings.
•Enhance Fitness. Mondays, Wednesdays and Fridays, 11:15 a.m. Sixteen classes for $51.