just abit of a poll to know if your 4yr does similar thing, if your 4 yr old knows that there is something he/she shouldnt do ie playing with something he shouldnt and they know that everytime they do they get in2 trouble. I know it would be normal 4 them to perhaps play with it and try and hid it or put it back when they hear u coming, but is it normal for them to just carry on as if they had totally forgotten all the times they got in trouble about it and when u get annoyed they seemed totally surprised