rock candy recipe

#### Ingredients: - **2 cups water** - **4 cups granulated sugar** - **1/2 to 1 teaspoon flavoring extract** (such as vanilla, peppermint, or fruit flavors, optional) - **Food coloring** (optional) - **Wooden skewers or strings** (for growing the crystals) - **Clothespins** (for holding the skewers or strings in place)