We have a product called "The Mood Pacifier" and our product is Patent Pending. This product is composed of an infant pacifier & a Mood Stone. The baby sucks on the pacifier & the Mood Stone in the center of the Mood Pacifier changes colors based on temperature. The Mood Pacifier is a Novelty Pacifier and can have a variety of designs: Bears, Clowns, butterflies, etc. The Mood Pacifier is a novelty item & not a medical.