It's not dirty at all.

#Why Wash Hands# Too much nagging only reinforces kids' bad habits! You can build good habits without lecturing! Let's hear a story from a child's perspective—it's the easiest way to inspire.

Hubei Fine Arts Publishing House Germany Scientific Enlightenment Chinese Humor Habit formation (obsolete) Behavioral habits Self-care in daily life Hygiene habits Health Washroom Habit formation Self-care in daily life Small class Middle class Kindergarten class Behavioral habits Physical health Five stars