https://www.wimp.com/kid-invents-sandless-sandbags-for-disaster-relief/
Kid invents sandless sandbags for disaster relief.
Aug 17, 2018 - 12-year-old Peyton Robertson wins the Discovery Education 3M Young Scientist Challenge with his invention for sandless sandbags that are inspired by the events...
sandless sandbagskiddisasterrelief