The Big Bento Box of Unuseless Japanese Inventions The Big Bento Box of Unuseless Japanese Inventions Clodwatch The Big Bento Box of. From the land of the rising sun, strangely practical and utterly eccentric inventions for a life of easeand hilarity. In Japan, Kenji Kawakami is famous for his tireless promotion of Chindogu: the art of the unuseless idea. Kawakami has developed an entire philosophy around these bizarre and logic defying gadgets and gizmos, which must work but are actually entirely impractical. Created in the spirit of anarchy, unuseless inventions are not allowed to be patented or sold. Fans of the unuseless will love this completely absorbing collection of 200 Chindogu, including: These hilarious inventions have taken Japan by storm. Every one of the 200 items in The Big Bento Box of Unuseless Japanese Inventions has actually been manufactured to the highest standards, fully tested by pioneering members of the Japanese public, and documented in their unuselessness with photographs. 442 color photographs