Already a customer? Click here to login. Summer Flip: Grades K-6 No Skills Required Try something new or continue working toward your tumble goals with 6 weeks of Summer Flip! This summer tumbling class is open to any student entering Kindergarten through 6th grade; no mastered skills are required. Each Tuesday July 9 through August 13 We're sorry but this event has been reserved. Please review our calendar for another available date and time. Thank you.