Make colored sand art by stirring a chalk stick in a bowl of salt. it changes the color. Stir less for light color and more for dark richer color. (I used to do this with salt and food coloring. but the chalk stick idea is brilliant!
Jenny: This is interesting envelope package because it's heart shape normally the envelope it's rectangle or square shape . The good thing is the heart shape also can be a rectangle shape. but when you open it . It is a heart.