When your children are young you don’t feed them with solid food directly. What is in practice is that you start with semi-solid foods such as cereals, milk, porridge, etc. You do this because you are preparing your child for the future, that is, for digesting solid foods so they can grow up rapidly. Sending kids to kindergarten is similar to this process, as it will prepare the child... https://scholarsglobe.com/blog/what-is-the-importance-of-providing-kindergarten-experience-to-children/