Must-Have Kitchen Gadgets Listen Download Embed Share Share this on Facebook (Opens in a new window) Share this on Twitter (Opens in a new window) Share this via Email Plastic products are displayed at the Lewis and Conger Ingenuity Show in New York, May 9, 1942, and they include a set of knives and forks, a small pitcher, an egg slicer and a juicer. ( AP Photo/Carl Nesensohn )