How many fun activities can you fit into a day or two? Three? Four? Prepare to be challenged this Saturday and next by several local events. * An excellent family activity is scheduled for Saturday at the Benson-Hammond House. An Autumn Apple Festival will help celebrate the county's farming heritage. Sponsored by the Ann Arrundell County Historical Society, the festival will run from 10 a.m. to 3 p.m. "Having this event at the Benson-Hammond House, which was a working farm in the 19th and early 20th century, gives us a unique opportunity to demonstrate typical harvest activities in an entertaining way," said the society's executive director, Beth Nowell. The festival will include more than 15 artisans, and blacksmithing, corn shelling and tractor demonstrations. Children can participate in household cleaning chores such as beating rugs and washing clothes by hand. Other activities include music, clogging, pumpkin painting and pony rides. A scarecrow workshop will cost $5; $3 if you bring your own clothes. A Halloween costume contest and parade for children ages 12 and under is planned for 2 p.m. A prize will be given for the Best All-Around Costume. Plenty of food will be available, including homemade apple pies, apple fritters, fresh apple cider, Benson-Hammond House Spiced Apple Wine, homemade vegetable soup, pit beef, barbecue, hot dogs and hamburgers. Tours of the farmhouse will begin at 10 a.m. and cost $2 for adults. Children ages 12 and under will be admitted free. The Browse and Buy Shop also will be open. Admission to the festival is free. Free parking is available at the BWI Airport Overflow Satellite Lot directly across from the Benson-Hammond House. Free shuttle bus service will be available to and from the festival grounds. The rain date is Sunday. For further information, call the Benson-Hammond House at 768-9518 or 859-0298. * The Woman's Club of Linthicum Heights will sponsor a Chesapeake Bay Sampler night at 7:30 p.m. Oct. 23 at the clubhouse at 110 North Hammonds Ferry Road. The evening will showcase local art with a Chesapeake Bay theme, including carvings, paintings, stained glass, stitcheries and photographs. An auction also is planned. Scott Broom, environmental reporter for WMAR-TV, and a representative from the Chesapeake Bay Foundation are the guest speakers. Refreshments will include a sampling of Bay area food, wine and non-alcoholic beverages. Everyone will receive Chesapeake Bay Kits and seafood recipes. "We want to raise the community awareness of what each of us can do to help the Chesapeake Bay and promote local artists specializing in Bay artworks," event chairwoman Irene Newhouse said. A portion of the proceeds will benefit the Chesapeake Bay Foundation. jTC Tickets are $10 and can be purchased in advance by calling Annabel Bowers at 859-8958. * The Second Annual Craft Show and Bake Sale is planned from 10 a.m. to 3 p.m. Saturday at Friendship Church of the Brethren, 217 Mansion Road. Besides crafts, there will be refreshments and a baked goods table. Information: Cecelia Hildebrand at 789-1472. * Crafts, Halloween items, apple pies, children's activities, Christmas balls, making scarecrows and face painting are all part of the October Craft Fest from 9 a.m. to 3 p.m. Oct. 23 at Ferndale United Methodist Church. The food menu includes pit beef, hot dogs, and homemade cakes and candies. The Arnold Christian Academy Mime Group will present shows at 11 a.m. and 2 p.m. FUMC is at the corner of Ferndale and Hollins Ferry roads. For information, call the church office at 761-2880 from 9 a.m. to 3 p.m.. * Start your day on Saturday with a Pancake Breakfast at Linthicum Elementary School. Two seatings are planned: 7:30 a.m. to 10:30 a.m. and 9 a.m. to 10:15 a.m. Advance tickets are $3 for adults and $2 for children ages 3-12. Tickets at the door are $3.50 for adults and $2.50 for children. Children ages 3 and under will be admitted free. The caterer is Hardee's at Burwood Plaza. For tickets, call 859-0962. * The Linthicum-Shipley Improvement Association has invited Beth Robinson and other members of the state Mass Transit Administration to its meeting at 7:30 p.m. Wednesday at Linthicum Elementary School. MTA officials will discuss a pedestrian crossing at the Linthicum light rail stop at Benton Avenue and Camp Meade Road; sidewalks, especially on the west side of Camp Meade from Twin Oaks to Andover Road; the noise study performed at the home of Theresa Proserpi at Shipley Court; and plans for the spur to BWI Airport. Information: 859-8026. * There is still time to subscribe to the Performing Arts Association of Linthicum's 1993-94 concert season. The Washington Brass Quintet opens the series at 3 p.m. Sunday at Linthicum Heights United Methodist Church. The group members are Paul Lindsay and Kevin T. Dines, trumpet; Susan Dermer Lindsay, French horn; Christopher Dudley, trombone; and Mark A. Norman, tuba. The subscription cost for five concerts is $20. Parking is free. Information: 636-2579 or 859-8047.