台灣偏鄉兒少在地關懷為設計初衷，以懷舊風情的台東火車「寶桑號」為載體，透過精細工藝打造袖珍火車，內部裝滿在地引以為傲的人文與環境特色，喚起偏鄉兒少的文化榮譽感。
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Apealing for caring children and youth in remote areas of Taiwan is the initial design purpose.
Posong Express as the carrier that use of nostalgic Taiwanese elements
through fine craftsmanship to create a pocket-sized train which carrying the local features that Taitung has taken pride in.
In order to arouse the sense of cultural honor of children in remote villages.
