Teach your baby the signs for the words red, orange, and yellow in baby sign language with the following descriptions and videos.
Form the hand into a fist with the index finger pointing up. Rub the fingertip from the top of the lips to the chin.
Form the signed letter O in front of the mouth. Close the O into a fist.
Form the signed letter Y in front of the shoulder. Rotate the wrist twice.
Acredolo, Linda & Susan Goodwyn. 2009. Baby signs: How to talk with your baby before your baby can talk, 3rd edn. New York: McGraw Hill.
Porpora, Tracey. 2011. The complete guide to baby sign language: 101 trips and tricks every parent needs to know. Ocala, FL: Atlantic Publishing Group, Inc.