How to Make Crystal Candy?

Crystal candy, also known as rock candy is made with basic ingredients of sugar and water. Boil 1 cup of water and 2 cups of sugar until the sugar dissolves. Secure a string weighted with a paper clip or bead on the lid of a mason type jar. Pour the sugar liquid in the jar, and secure the lid with the string hanging in the liquid. In a few days the crystals will form.