Children and conservation/ logic

I remember last year in psychology hitting on this subject for a small amount of time when I think it is a very important section. The logic of children is what helps build the foundation for their progression throughout their lives. Piaget had these experiments to make sure the children were hitting the mark or say to be a par standards so they could progress as needed in their lives. Conservation is something that amazed me because it seems to be so little and I remember when I was younger having the same thoughts that an amount in something larger made it the bigger and better thing to have. Static reasoning is something that happens early on due to the oblivious attitudes of most children who have a very strict to the point almost one thing at a time mindset. Egocentrism is something I have witnessed throughout all my life that stays relatively constant due to the child or children wanting to be welcomed to others as opposed to being ostracized.
Irreversibility is another thing that I can remember taking awhile to get used to, because I knew how things went however there was a lot more thought and effort to reenact something in the opposite direction. These preopperational thoughts are very amusing and interesting to me because it makes me go back to that time of my life where I was doing those spoken of. I also have a younger brother who I get the leisure of watching make those same "mistakes" and I recognize how I progressed and only want to make for him to have a "smoother ride" getting to where he needs to be within a reasonable amount of time.