As I don't know the specific story, the main idea could be about the boy's positive attitude that is reflected by his happy face. Maybe it shows how his happiness influences those around him.
The 'boy with a happy face story' could be about a boy who lives in a small village. He always has a happy face despite the hardships in life. One day, he discovers a beautiful meadow full of wildflowers near his village. He spends his days there, feeling the beauty of nature, and that's why he always has a happy face. He shares this place with the other children in the village, spreading his happiness.
Well, without knowing the specific details of 'the happy man story', it could center around a man's state of being happy. Maybe it shows how his positive mindset affects his daily life, his interactions with others. It could also be about how he overcame difficulties to reach a state of happiness.
In 'the rough face girl story', it's likely centered around this girl's journey. She could be facing challenges due to her appearance, like not being accepted by others at first. But then, through her own efforts or some kind of magic perhaps, she might achieve something great, like finding true love or proving her worth in the community.
Since I don't know the exact 'the girl boy story', I can't say for sure. But generally, it might be about the relationship between a girl and a boy.
As I don't know the exact'memory boy story', it could be about the power of memory in general. Maybe the main idea is how the boy's memory shapes his identity, experiences and relationships.
The main idea might be centered around the relationship between the boy and the train. It could be that the train represents freedom or a new opportunity for the boy. He could be trying to reach a destination on the train, or it might be a story about how the train impacts his life in some way. For example, he might meet interesting people on the train or have a self - discovery during the train journey.
As I don't know the story, it could be about the boy's pursuit of a dream related to wearing a leotard. Maybe he wants to be a great dancer or athlete and the leotard is part of his journey.
The main idea might be about the encounter and relationship between a boy and a king. Maybe it shows how their lives intersect, and they learn from each other.
As I don't know the specific 'Popsicle Boy Story', it's hard to say the main idea. But it might be about the boy's relationship with popsicles, like his love for them.
The main idea is often about a boy and his relationship with a cricket. Maybe it's about how the cricket brings some special experiences or lessons to the boy.