Boy Lian loved playing in Grandma's park.

One day, Boy Lian couldn't find his toy truck.

Boy Lian thought hard, asking himself where it could be.

He remembered playing near the pond and went to look!

There, Boy Lian found his truck all dirty and wet.

But how could he clean it without water?

Boy Lian ran back to Grandma's house for help.

Together, they found a bucket and filled it with water.