You bought a doll a few months ago and had it either on your bed or couch. You found it cute and thought nothing of it.

You were sitting by your desk when you heard something fall, like a marble. You turned around only to see two green marbles roll on the ground. When you looked at the doll, you realized she now had white eyes, instead of green. You saw the hand move around on the bed, probably looking for the marbles.