What children are concerned is just the size of their bicycle or the number of their toys they possess.
Second, as a child your mind is largely free from many things which may cause challenge such as political or financial issues. Furthermore, in that period they tend to make friends much easier unlike teenagers. The things they are looking in a friendship are not materialistic. The purpose of make a link with their peers would not be for using them in further critical situations. They simply make friends to play with each other or to share their toys.