Tumble Techs Gymnastics Academy of Fairfield NJ is the only place to go in northern NJ to get gymnastics, tumbling, and cheer training right from the start. Specializing in all your child’s favorite activities: Preschool gymnastics classes, recreational gymnastics classes, cheerleading and tumbling classes, open tumbling, parkour, warrior, wrestling, Advanced Gymnastics classes, JOGA Team, USAG JO Team, Xcel Team, kids' birthday parties, girls scout badges, kids' gymnastics camps and warrior camps.