1. Crabs, karaoke and charity
Krab and Karaoke will be from 3 to 10 p.m. Saturday, Aug. 4, at Hager Hall Conference and Event Center, 901 Dual Highway, Hagerstown. All-you-can-eat buffet. Tip jars, 50/50 raffles. Cost is $50. For ages 21 and older. Proceeds benefit participating Washington County nonprofit organizations. Call 301-739-2015, email firstname.lastname@example.org.
2. A case of the jitterbugs
Organist Jim Powers will accompany ballroom dancers from 7 to 10 p.m. Friday, Aug. 3, at Maugansville Ruritan Building, Maugansville. $4 per person. Call 301-791-1551.
3. Mums the word
Washington County Master Gardeners will discuss "Planting Hardy Mums for Fall Color" from 8 a.m. to noon Saturday, Aug. 4, at Hagerstown City Farmers' Market, 25 W. Church St., downtown Hagerstown. Bring plant or insect samples in sealed containers or bags or good quality photos. Email email@example.com.
4. Robo fun
Bill Alt and Jamie Kenton will present Robotics/Lego from 10 a.m. to 4 p.m. Saturday, Aug. 4, at Discovery Station, 101 W. Washington St., Hagerstown. Limited to 20 students in grades three through seven. Free with admission charge of $5 to $7. Bring lunch. Call 301-790-0076.
5. Crack of the bat