1. Cut out a heart from Li'l Hands Oslo paper.
2. Use a white Li'l Hands crayon to decorate the heart with designs and a
    message. Press hard.
3. On the back, use a Lotus ballpen to write: "Brush the other side with     watercolors pink to find a secret message in invisible ink!"
4. Give the valentine to a friend. When he or she paints the other side, the     message will be revealed.