To Fanfan, grandpa is like a magician, and the kitchen becomes magical and interesting under his masterful hands. Fanfan discovered that the white mist coming out of the pot was like many naughty little guys, occupying every corner of the kitchen. Grandpa told Fanfan that these little guys actually have names, and they are called steam.
Purpose: Let Fanfan get to know this little guy in the kitchen world, it's called steam.