Spring Grove Flying Dragons is a member of the American Kyuki-Do Federation, which includes 75 schools throughout the United States. Here at Spring Grove Flying Dragons we offer a variety of classes to meet the needs of the entire family. From martial arts training for all ages to fitness classes which incorporate elements of the martial arts, there is a place for you here. Many parents are cautious about enrolling their children in martial arts classes.. Equipment|Group Self-Defense Lectures|Hapkido|Jiu-Jitsu|Judo|Karate|Martial Arts|Martial Arts Gear|Self Defense|Tae Kwon Do|Weapons