Futsal is part of many nations’ "1st steps" in soccer. Most players began their careers playing Futsal. The Brazilian, Argentinean, and Spanish soccer cultures are among the many nations that swear by the benefits of Futsal. In Brazil, most of the players excelled in Futsal at young ages before moving into the big fields.
Pele, Cristiano Ronaldo, Messi, Iniesta, and Xavi all credit Futsal for much of their skill and technique development. All the major heads of US Soccer and FIFA declared that this is the way to go. Once you experience Futsal you will see the reasons.