There are some who find it risky because drifting also has a certain level of danger, such as drowning or being choked by water; small children are not suitable
Under 1 meter cannot float, no age limit.
It has, because drifting also possesses a certain level of risk nature, for example, drowning or choking; children who are too small are not suitable.
Below 1 meter, no drifting allowed, age limit-free.