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Speak to Me

Speak to Me

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Fun Things to do

Kids and Tech

Technology

儿童

教育

科学

趣味

视频说明

What's that? You can't hear me? Maybe you need some new speakers! Don't have the cash to buy them? Well, Mr. O in the most recent O Wow Moment from the Children's Museum of Houston, will explain the science behind speakers and show you how to make speakers!

分类： 热门免费线上视频标签儿童
插件 05 Feb 2017
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