Speak to Me

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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!

Kategori Beste gratise online videoer merket med "barn"
Lagt til 05 Feb 2017
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