https://blog.wongcw.com/2021/10/21/segway%e7%82%ba%e9%9b%bb%e5%8b%95%e5%b9%b3%e8%a1%a1%e8%bb%8a%e6%8e%a8%e5%87%bamecha-kit%e6%b0%b4%e5%bd%88%e7%82%ae%e5%a1%94%e6%94%b9%e8%a3%9d%e4%bb%b6-%e5%94%ae%e7%b4%84500%e7%be%8e%e5%85%83/