First,Consider the location of the indoor playground. Good place is the key of kids Indoor playground success. So you need to make investigation on the market, which include the environment,consumer group.
Then,environment is also important. Generally the limit height of indoor is 3m, it is better to choose less obstacle space with dimensions map.
The last is the related costs. The rent should be controled to 25%–30% of the budget.The equipment costs and staff wages should be included when make Capital budget.