The Mouse in "If you give a mouse a cookie", he has a cookie and wants the other thing afterwards. Three qualities the mouse has is he is smart, sometimes greedy and cravings
Friends are like chocolate cake
You can never have too many.
Chocolate cake is like heaven -
Always amazing you with each taste or feeling.
Chocolate cake is like life with so many different pieces.
Chocolate cake is like happiness, you can never get enough of it."
Throughout the poem, two things are compared which is a simile.
Its to persuade and encourage tourists to visit, sight-see, and do some activities and to also spend money in the state.