可伸缩的兔头，可以随机把玩，兔头里面是中空的，打印到一半的时候，暂停打印，把那个立方体放进去，继续打印，就可以封存在里面了。

The telescopic rabbit head can be played with at random. The inside of the rabbit head is hollow. When printing is halfway done, pause the printing, put the cube inside, and continue printing, then it can be sealed inside.