NUK Starlight physiological pacifiers Promotes healthy jaw development Day and Night 18-36 months 2pcs Colors and patterns subject to availability NUK Starlight silicone pacifier, straight for the jaw, 18-36 months, 2 pieces, 1 night soother and 1 day soother NUK Starlight: Always a good choice! When choosing a pacifier, many parents rely on NUK Starlight. It responds to the babys innate need to suck and is both reassuring and comforting. When the baby actively sucks the pacifier, it works the muscles of the mouth and jaw, promoting the healthy development of the oral cavity.