One day, a gentle cat and a small dog found a big case. They did not know what was inside. The cat and dog wanted to share the case, but they could not open it. They tried and tried, but it was too hard.
Then, a tiny mouse came by and saw the cat and dog with the case. The mouse wanted to help. The cat and dog were not sure if the mouse could do it, but they let the mouse try. The mouse opened the case with a small key it had.
Inside the case, there were many toys and treats. The cat, dog, and mouse were very happy. They all shared the toys and treats from the case. The cat and dog learned that even a tiny mouse can do big things. They all became good friends and played together every day.
