The Wilde Lake Middle School PTA will host its Community Yard and Costume Sale from 8 a.m. to 11 a.m. Saturday, Oct. 25, in the school gymnasium, 10481 Cross Fox Lane. Spots are available for $10. To donate items and reserve a space, contact Lisa Arbareri at firstname.lastname@example.org.
Silhouette Stages presents the Tony Award-winning musical "Big River: The Adventures of Huckleberry Finn" through Saturday, Oct. 25, at Slayton House,10400 Cross Fox Lane. Shows are at 8 p.m. Fridays and Saturdays, and 3 p.m. Sundays. Tickets are $10 to $20 with a reduced price for groups of 20 or more. Information: 410-637-5289 or silhouettestages.com.
•"Toward Abstraction," works in watercolors and pastels by Deborah Hoeper and Barbara Steinacker, is on view through Friday, Oct. 31, at Artists' Gallery, American City Building, 10227 Wincopin Circle. Hours are 10 a.m. to 5 p.m. Mondays through Fridays and 9:30 a.m. to 3 p.m. Saturdays. Closed Sundays. The gallery is also open by appointment. Information: 410-740-8249 or artistsgallerycolumbia.com.
•See contemporary Chinese paintings in the Rouse Co. Foundation Gallery and works by Shin Yeon Jeon in the Art Department Gallery through Tuesday, Oct. 21, at Howard Community College, 10901 Little Patuxent Parkway in Columbia. For hours and information, call 443-518-1000.
•"Transformations in Color, Form, Light and Line," an exhibit featuring the works of Katherine Farrell, Mary Jo Messenger and Lynda Mitic, will be on view Thursday, Oct. 23, through Dec. 13 in the Bill White Room at the Bernice Kish Gallery at Slayton House, 10400 Cross Fox Lane. A reception with refreshments and music will be held from 3 p.m. to 5 p.m. Saturday, Oct. 25. Hours are 9 a.m. to 9 p.m. Mondays through Thursdays, 9 a.m. to 5 p.m. Fridays, and 9 a.m. to 2 p.m. Saturdays. Closed Sundays. Information: 410-730-3987 or 301-596-4883.
Zumba classes The Long Reach Community Association offers Zumba classes from 7 p.m. to 8 p.m. Tuesdays. The class includes Latin and international music with a workout combining strength and resistance training with dance moves. Information: 410-730-8113.
English club The Howard County Public Library, 10375 Little Patuxent Parkway, offers Let's Get Together: English Conversation Club, an opportunity for those who speak English as a second language to practice English in a group setting. The group meets at 9:30 a.m. Mondays and 7:30 p.m. Thursdays. Information: 410-313-7850.
Wii Club The Howard County Department of Recreation and Parks offers a Wii Club for those 55 and older from 10 a.m. to 11 a.m. Tuesdays at the Bain Center, 5470 Ruth Keeton Way. The first game is free. Information: 410-313-7213.
Single Again Changing Focus: Single Again, a nonprofit for adults who are separated, widowed or in the process of divorce, provides weekly presentations and small-group discussions in a confidential, comfortable atmosphere. The group meets at 7 p.m. Mondays at First Presbyterian Church, 9325 Presbyterian Circle. An orientation for new members is offered at 6:30 p.m. Information: changingfocus.org.
Food addicts recovery An informational and support meeting for those suffering from food addiction, food obsession, obesity, bulimia or undereating will be held from 8:30 a.m. to 10 a.m. Sundays at Harper House, 5495 Cedar Lane, Suite 1. Free. Information: 443-285-2603.
Singles social The Phoenix Cultural Singles Group, a Columbia social group for those 50 and older, meets from 11:45 a.m. to 1:15 p.m. Sundays at the Oakland Mills Interfaith Center, 5885 Robert Oliver Place in the Oakland Mills Village Center. Coffee, tea and a light snack are served. The group plans events and trips. Information: 410-997-0739.
Chair yoga The East Columbia 50+ Center at the East Columbia branch of the Howard County Public Library, 6600 Cradlerock Way, offers chair yoga, an introduction to yoga aimed at easing the pain of arthritis, reducing fatigue and improving circulation and breathing, at 9:30 a.m. Tuesdays. Reservations: 410-313-7680.
Also at the 50+ Center:
'Retirement, Love it! Hate It!' A workshop from 9 a.m. to noon Wednesday, Oct. 22, will explore the psychological, emotional and social challenges of retirement and is designed to enable you to discover activities that create a zest for life. Cost is $10.
Chess club A group for novice and veteran players meets at 1 p.m. Thursdays. Free.
Zumba Gold Classes with Kim Zanski take place at 1 p.m. Tuesdays. Monthly fee.
Latin Jam Lori Anderson leads this fast-paced dance class at 1 p.m. Thursdays. Monthly fee.