摺紙，不相信的飛速紙陀螺，好不好玩，試了就知道了 - a really fast paper spinning toys - un vrai jouet de filature en papier,

How to fold a piece of paper in the figure of the top rotation.
The art of paper folding. playlist.
https://www.youtube.com/channel/UCUPqTSivKh9NndntPmk2cIw/playlists
How to make paper cutting.
https://sweetpotatoon.com
#spinningtoys#toupie#陀螺#diy