Thanks for the suggestion, but my English is not very good, next time I will try to use a combination of Chinese and English

小月

Mini-model roller coaster track.
谷歌翻譯會帶你走很長的路。

copymaster

English isn't my first language either...  but with some help from Google or other sites its usually understandable :-)

Believe it or not, we don't all read Chinese... please update your models with English descriptions so the rest of the world can benefit. Thanks!