Also known as "Chindogu" and "Most Unuseless Items"<p>This classic book of them has been around forever: <a href="https://wwnorton.com/books/The-Big-Bento-Box-of-Unuseless-Japanese-Inventions" rel="nofollow noreferrer">https://wwnorton.com/books/The-Big-Bento-Box-of-Unuseless-Ja...</a>