DIY High-Speed Friction Wheels Launcher——Updated Version

Описание к видео DIY High-Speed Friction Wheels Launcher——Updated Version

We improved our launcher so that it can lauch the ball automaticly now. Get this package from: http://www.makeblock.cc/friction-whee...
We have share more detail on:
http://www.instructables.com/id/How-T...
And the launcher is still improving...We need your support and advice! Most of out components are from Makeblock. And you
can choose what you need on: http://www.makeblock.cc/

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