Children from any country aged 6 to 18 years (born in 2006-2018) can take part in the competition.
In the FREESTYLE START category requirements for the participants are the ability to belly-fly independently, enter and exit the wind tunnel.
In the FREESTYLE INTER, PRO, OPEN FAI and iFLY BALL BATTLE categories
requirements for the participants are the ability to belly-fly and back-fly, make transits between these positions, independently enter and exit the wind tunnel, and also perform the necessary compulsory elements in accordance with the rules for the specific category.