There is a boy at my dd's school (both are 4yrs old) and he is very obstructive/bordering on bullying towards my dd, ending up with her having a bad knee injury through being pushed over by him in the playground. He seems to delight in getting in her way to make her upset or angry. I have advised her to just ignore him and play with other kids and also to tell a teacher, but lately, because I am so cross with him and dont want my dd to be pushed around by him, I have been encouraging her to play him at his own game. So for example I said that if he stands in her way deliverately, she should just push him out of the way, or if he takes something of hers, she should take something of his or try to snatch it back. My dd, very maturely, said that if she did this, then she would only be stooping down to his level. I know this is probably the wrong thing to advise but I really just dont know what to say to her. It makes me seethe that there are kids out there at this age who seem to get away with obstructive behaviour. What's the best course of action and if any teachers are reading this, what would you suggest I advise my dd? Should she ignore/keep out of his way or stand up to him more?