Mechanical gear series DIY Wooden Locomotive LK701 assembly video

Mechanical gear series--DIY Wooden Locomotive
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Sorry, my video has copyrighted audio so that was silenced by the system, And due to this video has reveiced too many views, the systerm don't alowed me to overlay a new audio. Fortunately, this is just assembling video, BGM is not so important. Maybe you can play music yourself.