Yet again, a design solution has blown my mind away with its simplicity, effectiveness, and sheer brilliance. The Mazu is the world’s cheapest flotation device. It simply is a ‘Y’ shaped fixture into which one can screw in three PET bottles. That’s literally it! The Mazu also comes with a cable tied to it to pull people towards you. The brilliance is in the fact that Mazu is a solution that works, and it’s championed by a very simple idea. It requires no additional expenses, or learning curve, and it enables recycling… all for ensuring safety of human lives in water. Isn’t that just amazing?! 💡 Designer: