Humans are ingenious when it comes to meeting challenges. We invent all sorts of useful contraptions from the wheel to the can opener. But some of the things people have come up with are truly odd. Who came up with grass sandals, and why? Have you ever heard of a portable radio hat? Not many people have, but someone invented it. Get the inside scoop on these odd contraptions and many more weird inventions. show more

Binding: Paperback;48 pages; Publisher: Capstone Global Library Ltd; Classification: Children?s / Teenage: General interest; Weight: 268 g; Dimensions: 173 x 229 x 7

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