Snot Collectors and Spider Ladders and Other Bonkers Inventions
Dr. Mike Goldsmith, Clive Goddard
Ever heard of a motorized ice cream cone? A breath-powered foot warmer? An tooth-exercising device? This is a hilarious collection of the world’s most useless inventions. Readers will find solutions to problems they never knew existed. Some of the brainchildren here never made it off the drawing board, while others went on to conquer the world.
Reviews

The most bonkers inventions are in this book.
Anonymous 31.08.2015