Signing: To start making the baby sign for laugh, take both of your hands and extend your fist and index fingers to make L-shapes. Point your index fingers at the sides of your cheek, then spiral your fingers upward and around.
Usage: Make the laugh sign as your baby breaks into a big belly laugh.
Flash Card: Click the link to view the Laugh Baby Sign Language Flash Card. The flash cards are printable and available in both U.S. Letter and A4 sizes.