Signing: To sign rainbow, take your hand with the four fingers extended and your thumb tucked in. Start with the hand in front of your opposite shoulder, palm facing you. Move your hand in an arc up, then down toward the other side of your body.
The sign is like painting a rainbow in the sky with your four fingers.
Usage: Rainbow is an ideal sign to teach through the flash cards, so your baby will recognize the sign when they see it in real life.
Flash Card: Click the link to view the Rainbow Baby Sign Language Flash Card. The flash cards are printable and available in both U.S. Letter and A4 sizes.