One day, a dog named Max went to search for his favorite toy. It was a red ball. Max looked under the bed, behind the door, and in his toy box. But he could not find the red ball anywhere. Max felt sad.
Max's friend, a little girl named Lily, saw him looking sad. She asked, "Max, why are you sad?" Max barked and showed her that he could not find his red ball. Lily said, "Don't worry, Max. I will help you search for your red ball."
They looked everywhere in the house. Then, Lily found the red ball. It was hiding behind Max's heel! Max was so happy. He jumped and barked, "Thank you, Lily!" But when Max tried to play with the ball, it did not bounce. The ball was dead. Max and Lily looked at each other, feeling surprised.
Lily had an idea. She said, "Max, let's go to the store and buy a new red ball!" Max wagged his tail and barked happily. They went to the store and bought a new red ball that bounced very high. Max and Lily played with the new red ball all day long, and they were both very happy.
