Air Cannon

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Fun Things to do

Kids and Tech

儿童

教育

科学

视频说明

On this episode of O Wow Moments with Mr. O, we prove that just because something looks empty doesn't mean it is - it is filled with air! And because air is matter, it can exert a force. Learn how this relates to a fun air cannon toy you can make at home!

分类： 热门免费线上视频标签儿童
插件 14 Jan 2017
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