Jon picked up the stone and said "I wish I was ready to go to school."
The stone glowed, but nothing happened.
Jon looked closer at the stone and realized that it wasn't the same one that his grandfather gave him. Someone replaced his stone with a fake!
In the next room, Zoe was still asleep, but was fully-dressed, wearing her typical Goth clothes.
When she finally awoke, she didn't think it was weird that she was already dressed and ready to go to school, because she didn't hear Jon's wish.