To be careful when play Draft-2

One day, three children were playing under the tree. Among the three boys, a little boy was climbing the tree. The tree was tall and big. And then, he fell down the tree and dropped into the ceramic water jar. Then, this accident attracted many boys to flock around the ceramic water jar. The children were frightened because they did not know how to rescue him. At this moment, two boys carried a stone in a hurry. They wanted to help the boy. They pulled together to break the jar with the stone. And then, the jar was broken, and the boy was be rescued. In the end, they got a lesson that they should be careful when they are playing.