Join Centegra Health System registered dietitians as they teach children ages 4 and up how to experiment with foods in the kitchen and create healthy treats. Kids in the Kitchen classes are scheduled for 9 to 10 a.m. or 10:30 to 11:30 a.m. Friday, Dec. 28 at Centegra Health Bridge Fitness Center, Crystal Lake. The classes also will be offered at the same times Wednesday, Jan. 2 at Centegra Health Bridge Fitness Center, Huntley. Call 815-444-2900 to register.