Thomas Edison Invention Challenge, Due June 19

The Edison Innovation Foundation is sponsoring an Invention Challenge, with entries due June 19. Use any or all of the following to create something new and unique:  a fork, 10 inches of string, a small bar of soap, a corkscrew, a plastic drinking cup, and/or any small, portable kitchen item of your choosing.  Email a drawing or photo of your invention, with a few words of description, to by June 19. Four winners will receive gift cards of $100, $75, $50, and $25.