In the attic, an old wooden puzzle box sits undisturbed for decades. As you dust it off, you realize that it contains a mystery waiting to be solved. Write about the intricate process of opening it and what you discover inside. Your characters can include yourself, or you can choose to add a family member or a friend who helps you solve it. Explore the different emotions as you try to unlock the box: excitement, frustration, anticipation. Make the reader feel as if they are solving it along with you.