Children look at reality
Children look at reality and don't understand reason.
Let children know the role of money.
It is recommended to take children to experience life and let him understand the role of money.
Family education
Try to put away the money at home and don't let the children have the opportunity to take it casually.
The wisdom of the elderly
Take her shopping. There must be an old man selling small dishes worth only a few dollars in the market, so that she can understand some small truths of life.
Like psychology.
See other children's sensible things in life compared with her, compared with her. Children have similar psychology.
Story education
You can tell stories to educate him and guide him to think. It's not good to lie.