Kid Ag Days
Children are invited to learn about farm life. Activities include cow milking demonstrations. Continues through Sunday. Valley Mall, Halfway. Call 301-582-0700.
Trains for everyone
H0- and O-scale model railroads, trains for children to operate, historic railroad artifacts, photos and equipment. Today through Sunday, 1 to 5 p.m. Hagerstown Roundhouse Museum, 300 S. Burhans Blvd., Hagerstown. $3.50, adults; 50 cents, ages 4 to 12; free for ages 3 and younger. Call 301-739-4665.
'Big, The Musical'
Waynesboro Area Senior High School presents "Big, The Musical," a musical version of the 1980s Tom Hanks film "Big." Today and Saturday, 7 p.m.; Sunday, 2 p.m. Waynesboro (Pa.) Area Senior High School. $8, adults; $6, senior citizens and youths ages 4 to 18. Tickets are sold Monday, Tuesday and Thursday from 5 to 7 p.m. at the box office in the lobby outside the Performing Arts Center at the high school.
Alpaca Days '09
Demonstrations, show and sale of alpacas, alpaca fleece and alpaca yarn, alpaca garments and lectures. Saturday and Sunday, 10 a.m. to 4 p.m. Annapaca Farm, The Alpaca Shop, 10702 Mapleville Road, Hagerstown. Pet product raffle proceeds to benefit the Humane Society of Washington County. Call 301-824-2840 or go to www.hagerstownmarylandalpacas.com.