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 Top Fria Onlinevideor märkta Barn
Tillagd den 05 Feb 2017
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