Does your child use a little rough housing? Great! Some researchers in the early development of the brain, I think that this game helps the brain (frontal share), which governs the behavior. Thus, instead of disturbing that this kind of activity that your child or made to act aggressively, do not forget that in monitoring the situation, it is difficult to play at home really can help your child learn self-government - the necessary skills and know how, if this kind of the game is suitable.
Pretend play also promotes abstract thinking. The ability to use the property (in block), as a symbol of something else (eg, telephone) is a high level of thinking. Finally, the fact that your child recognizes that the number representing the number of things, as well as combinations of letters make up words, listen and read.