Inventions in 30 Seconds | Dr. Mike Goldsmith

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From the first flushing toilet to futuristic robots, Inventions in 30 Seconds explains how key inventions revolutionized the world. Delivered in an energetic, informative style, children will gain a better understanding of how everyday life has been shaped by great inventions. The 30 Seconds series takes readers on a journey of discovery through a wide range of fascinating subjects. Each topic is presented as a quick 30-second soundbite, supported by flash summaries and full-color artwork. Fun, interactive missions with things to make or do support the topics, encouraging readers to test, explore, and discover even more.