Mason's Backyard Workout is a story about a mouse name Mason who decides to have a backyard workout get-together with all of his animal friends after seeing a commercial on TV about how everyone needs to move and exercise. Mason asks his friend Ellen, the eagle, to help get the word out by dropping invitations to all his friends. His friends were excited about the backyard workout. The story uses a variety of animals who participate in Mason's exercise fun with each one adding an exercise that they enjoy doing. As children experience Mason's Backyard Workout they will meet Mason the mouse and his animal friends and engage their imaginations in a way that will encourage them to have their own exercise fun.