Choose a viewpoint if you believe age is just a number, or if you believe that age isn't a number. Use the internet to find scholarly articles on if age is really a number. Try to memorize as much information you can. You are only given 7 minutes for impromptu, cannot use any notes or resources, so it is imperative that you know the information like the palm of your hand.
The only stage direction is for every character to leave, letting Hamlet have his monologue. It allows the reader or listener to relate to Hamlet. It also usually shows exposition in the storyline.