The physical evidence Felix had of his parents is that he had a whole carrot in his soup. Felix knew that usually a whole carrot would be cut up so everyone in the orphanage could have a little bit.

Because of that Felix thought that his parents had sent his favourite vegetable to him as a sign that they were coming back.

The memories Felix had of his parents is that they owned a bookshop. Felix had written stories about them, the stories Felix wrote about is parents were very imaginative.