2 piece sensory play set includes a jiggler plush toy and a musical light up paci-buddy to promote multi-sensory exploration, discovery and interactive play 7 inch cow jiggler toy comes with a pull to vibrate feature, a rattle and convenient travel hook for on the go fun 5 inch musical light up plush plays the tune, “Twinkle, Twinkle Little Star” while the cheeks light up with a simple press of a button on the foot. The toy shuts off automatically or can be manually shut off by pressing the soft touch power button The cow paci-buddy has a strap to secure baby's pacifier and a removeable non-toxic plastic teether, safe for teething babies The fully encased batteries on the musical light up toy are non-replaceable