GRG is The Premier Gymnastics and Activity Center in Town. Activities include Preschool Gymnastics, Recreational Gymnastics, Tumbling classes, Birthday Parties, Open Gym, and  Competitive Gymnastics Teams for boys and girls Level 4 through optionals plus many other special events throughout the year. GRG is the place to be. Join us today! Call 616.975.2992 for more information. *** Location and Hours  | Contact Us  | Parent Portal