Swimming Preschool Preschool Swimming is a seven-level program for children aged 4 months to 6 years. It allows swimmers to follow the various levels according to their age and skills. AQUA-BABY from 0 to 12 months with parents PARENT AND CHILD 2 for parents and children from 12 to 24 months; PARENT AND CHILD 3 for parents and children from 24 to 36 months; PARENT AND CHILD 3 Fear of water for parents and children aged 3 to 4; PRESCHOOL 1, 2, 3, 4, 5 for children aged 3 to 5;