On Tuesday, September 13, join the COA on a trip to Kimball Farm in Westford. Depart COA at 10:30am, return by 2pm. Cost: $15 for transportation. Enjoy lobster rolls, fried clams, steak tips, burgers, hand-cut onion rings and more at the Grill. Enjoy cups, cones and specialty treats, homemade daily at the ice cream stand. Shop for unique gifts in the cozy store and enjoy breakfast and luncheon items made fresh daily. You can also play miniature golf or test out your skills at the batting cage.