Healthy, you can see how knowledgeable you are from the purple round face, how brave you are from picking up shells by the sea, how warm and friendly you are from the thorns in the sand, and how kind you are from the conversation with Lu Xun.

The first thing to catch birds in the snow

Picking the second seashore shell

The third sand thorn

The fourth thing is to watch jumping fish.

Because Lu Xun's family wanted to worship their ancestors and take care of their offerings, the father who moistened the soil let him do it, and later he became familiar with it.