how to make your coins shiny

 
        * A few old (not shiny) pennies
        * 1/4 cup white vinegar
        * 1 teaspoon salt
        * Non-metal bowl 
        * Paper towels

1. Pour the vinegar into the bowl and add the salt - stir it up.
2. Put about 5 pennies into the bowl and count to 10 slowly.
3. Take out the pennies and rinse them out in some water. Admire their shininess!