A healthy fun, games based special day for the birthday girl/boy and their friends. On court games, prizes, memberships, stars, prizes, trophies, teams games, water fight and club house use.
Usually 1-10 ratio. If more children then two coaches.
7 days per week.
All kids get a present and a few trophies are handed out.
You can use chairs, clubhouse, cabana, fridge etc.
Make a rainy weather backup date or alternative plan.