The Original Sensory Balls by Edushape are the highest quality Sensory Balls in the market.If there is a universal child development toy these balls are it! They develop: Sensory through textures & colors Fine Motor Skills through varied sizes and Gross Motor Skills through bounciness & getting babies to move around.All Balls are BPA & Phthalate free sold fully inflated and can be re-inflated. Colors may vary.Scented Sensory Balls feature quality soothing scents! Smell adds extra sensory stimulation and further accelerates your childs development. Baby can squish the ball to deflate and it will re-inflate all by itself.Reasons to LoveExtra smell adds extra sensory stimulation and further accelerates your child's development.BPA & Phthalate free.