The Ultimate Party Package for 15 kids includes 1 1/2 hours in the new, state of the art gymnastics facility, located in Canton, MA with 2 party attendants; 1/2 hr in the party room with whatever you'd like to bring for food/soda. Includes white paper goods. Extra children are allowed for additional $5 each. Parties times are Saturdays and Sundays. Advance reservation is required to reserve time.