* The princess: She is a symbol of innocence, purity, and sensitivity. She is also the object of the prince's desire.
* The pea: It is a symbol of the princess's delicate nature. It is also the object that reveals her true identity to the prince.
* The mattress: It is a symbol of the wealth and luxury of the princess's family. It is also the object that the pea is hidden under.
* The bed: It is a symbol of the princess's place in the world. It is also the object that she sleeps on.
* The castle: It is a symbol of the power and authority of the prince's family. It is also the object that the princess moves to after she marries the prince.
These are just a few of the symbols in "The Princess and the Pea." Each object in the story can be interpreted in different ways, and there is no one definitive meaning for any of them. However, these symbols can help us to understand the story's themes and messages.