Gymstrada will throw your birthday party on Saturdays from 4:30 - 6:00pm or 5:30 - 7:00pm at our Kempsville Location $225.00 for up to 15 children -1hr 30min Birthday Party $275.00 for up to 15 children -2hr Birthday Party $7.00 each per child over the 15. $50.00 deposit due within 5 days of making reservation. Balance due day of party. Call the Kempsville office by Friday before the party to give final number of attendees. Gymstrada provides: table cloth, napkins, plates, forks, cups, helium ballons (one for each child & a bouquet for the birthday child) A 2 weeks notice prior to Party date is required for a refund if party is cancelled.