is one small part (the final sub phase of the sensorimo stage) of Jean Piaget’s larger theory of cognitive development which children between the ages of 18 and 24 months begin developing their mental problem solving skills by using mental images to represent objects.
MENTAL COMBINATION: “The process of mental combination, as explained by Jean Piaget, says that children between the ages of 18 and 24 months will begin to develop their basic problem solving skills.”