We really enjoyed the book "101 unuseless japanese inventions" with our kids when they were growing up, which was the first time I heard about chindogu. It mig

We really enjoyed the book "101 unuseless japanese inventions" with our kids when they were growing up, which was the first time I heard about chindogu. It might still make a nice gift for some people, especially adolescents. It seems like the book is available on archive.org https://archive.org/details/101unuselessjapa00kawa https://archive.org/details/101unuselessjapa00kawa