Once upon a time, there was a special place called a zoo. At this zoo, there were many animals to look at and learn about. One of the animals that lived there was a big fluffy panda bear.
Now, sometimes people come to the zoo and they want to give the animals treats. But the zoo has rules about what treats the animals can have, so they don't get sick or hurt. One day, some people came to see the panda and they had a special snack with them - a kind of protein bar.
The people wanted to give the bar to the panda as a treat, but they didn't know that it wasn't allowed. So, they threw the bar into the panda area and the panda found it. The panda was very excited and started to eat it!
But soon, the keepers at the zoo found out what had happened. They were worried because they didn't know if the bar was safe for the panda to eat. So, they took the panda to the vet to get checked out.
Thankfully, the panda was okay and didn't get sick. But the zoo had to remind everyone who came to visit that they couldn't give any treats to the animals unless they had permission from the keepers.
So, the panda bar incident was a scary moment at the zoo, but it taught everyone to be more careful and follow the rules to keep the animals safe and healthy.