20 16 March 1. The Regulations on Kindergarten Work came into effect on March/6, 20 1, and clearly pointed out that kindergartens are institutions that provide care and education for preschool children over 3 years old, with a schooling period of three years. Kindergarten, formerly known as Kaner Garden, was introduced from Prussia hundreds of years ago. Formerly known as nursery garden and kindergarten. This is a preschool education school.