Farmington Rambling River Center, located at 325 Oak St. in downtown Farmington, offers activities, events, exercise classes and fitness and trips for senior citizens. For more information contact 651-280-6970. Monday, July 6 - 7:30 a.m. McKnight Fitness Center opens, 9 a.m. Day Old Bread, 9 a.m. Coffee Guys, 9 a.m. Video Chair Aerobics, 10 a.m. Core, 10 a.m. Mahjong, 11 a.m. Zumba Gold, 11 a.m. Biking Club, 12 p.m. Recycled Cards, 1 p.m. Dulcimers, 1:30 p.m. Scrabble.