my baby boy is 2 years and five months ago but his private part is still not opened what to do

A. Try doing this put some coconut oil on to that area and gently try to pull the screen down try to do this exercise at least 3 to 4 times in the day do it for at least a week to 10 days if you see things are becoming better then you can continue with this this is going to be helpful otherwise in this case you will have to get it checked with the paediatrician