The concrete operational stage is the third stage in Piaget’s theory of cognitive development. Age from 7 to 11 years old and this is described by the development of organised and theory thinking. Piaget’s considered the concrete stage a big changing point in the child’s cognitive development, because its points the beginning of the logic or operational thought or operations and it only applies to logic or physical objects (hence concrete operational). Children gain the ability of communication (area, number, volume, orientation. The children still can figure out problems the logical fashion way, but they can’t think generally or hypothetical.