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.