my horror/thriller idea

my idea is that a young child is playing with a puupet toy before bed, she is dressed in a innocent nightdress with plaits and is put to bed by her mother, her room is dark but girly and there are lots of dolss covering the wall, there will be a close up of the girl placing the puppet toy very delicatly on the chair next to her bed and a reverse zoom shot retreating from the chair to show the puppet and put empahise on it, we will then see the child getting slowly into bed and go to sleep, there will be a montage of her sleeping and the clock going forward to around 3 in the morning then there will be a close up of the puppet where we see its eyes slowly move and focus on the child, it will change to a point of view shot and will see the puppets arm slowly stretching out, and fly up and hanger over her bed , as if its arm is reaching for the childs throat. Then the little girl wakes up and screams. the names also of who wrote it and directed it ect, will be written in crayon and in childish writing to empahise the innocene of the child which i think makes it more creepy.