What kind of recreation facilities are more popular

Adults to take their children to the playground or park to play, to relax, the amusement park recreation facilities are have a lot, so what recreation facilities will be more popular with consumers welcome?
1 security
Whether adults or parents take their children to take entertainment equipment, first we consider the most important is safety, dilapidated, rusting entertainment equipment I want to any adult will not take the play, more can not be assured to let their children to take such a risk.
2 can play sex
Entertainment equipment if not with gorgeous appearance, attractive fun way to attract tourists, it can not be regarded as a kind of popular products. Think you know a entertainment equipment if you see an adult and a child there is no's interest to play, or play a few times he gave interest so this equipment is not popular.
3 reasonable charges
Entertainment equipment operators to deeply investigate the market, understand the consumption level of the region and other entertainment equipment charges, so as to formulate its own reasonable fees to achieve profitability. High fees will allow visitors to step back, too low will cause peer vicious competition.
To sum up, most of adults and children's entertainment equipment is according to the above three criteria, a kind of entertainment equipment is safe, play high, charge is reasonable is certainly is the most popular with adults and children's entertainment equipment.