Now moving on from that, the kids room is set up like the office. Two doors, a vent, the fan, and the closet that is represented like the window. Where foxy likes to show up in all the time before attacking. Once you make it till six am, it sounds like a grandfather clock, like the one that is positioned out side in the hallway in his house. But in the 4 one it is a alarm clock, like a one at a hospital. And we know that he is at a hospital because his recovering and you see flowers and medicine on his table.
Balloon boy is the boy the kid meets outside that has a balloon. Foxy is out of order in the first three games because you can see in the 4 his head is missing.
why does foxy have sneak attacks? because his brother sneaks up on him while wearing a foxy hat.
mangle is in the little girls room beside the bed mangled up. And I left out some things because I have to go. But hopefully this showed you what I thought.