Although anything can 100% guarantee to give a baby superior intelligence, there are some things experts recomend to help his brain develop. The baby's brain is influenced by the child's relationships, experiences and environment. Therefore playing wiht him will help a lot, eye contact games, ehich improve physical and emotional skills are great. Another recomendation is to talk and chat a lot with him, sepaking slowly and with short phrases will help with the assosiation between words and objects. A lot of movement is also needed, it can be provided by toyss or your own hands, by playing with different toys, the bay learns cause-and-effect relationships and if-the reasoning. Lastly the use of rattles makes the baby assosiate the sound with the object,
In general the best thing to do is to be attentive to the baby's needs in this way they will be satisfied in a correct manner making him transit the different stages of growth taking all the advantages provided.