Inventos en 30 segundos

Sinopsis(en Inglés)

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In this exciting title for innovative kids everywhere, the inventions that have changed the world are explored and explained in half a minute. From the flushing toilet and the wheel, to painkillers and the Internet, we look at the amazing innovations that it's hard to imagine living without. Six themed sections each with its own glossary cover Making Life Easy, Communication, Travel, Finding Out, Medicine, and Industry. The text clearly explains the story behind each invention and looks at its impact, while illustrations help explain how it works.