Preschooler Lilliana Lundgren, center, takes a palm to the punching bag last Tuesday held by teacher and karate student Cresta Meyer, not pictured. Wayne Dean, not pictured, of Dean’s Okinawan Martial Arts and Self-Defense of Leonardtown, visited the Rays of Light Christian Pre-School in Lexington Park to give a karate demonstration to the students and teach them self-defense mechanisms as part of the school’s initiative for more physical activity.