A sensitive period of interest in subtle things.

The sensitive period of interest in subtle things is difficult to detect, so what is the performance of the sensitive period of interest in subtle things?

When the child is playing with a string and hair in his hand, he even puts it in his mouth; When children pick up cigarette butts, twigs covered with mud and pebbles everywhere, they regard them as treasures; When a child is very sensitive to those small holes and often digs tirelessly, it shows that he is already in the sensitive period of subtle things.

In fact, facing children's hobbies, it is estimated that many parents can't stand it. Maybe the first reaction was to stop him. After all, those things may look dirty and may bring danger to children. But if used well, this stage is also a good time to cultivate children's keen observation and comparative ability.