self rolling, tested and working . It requires 3 AA batteries (not included) In good used condition, it has a few scuffs which are pictured above Baby will be fascinated with this amazing colorful ball that moves all by itself! Keep little ones stimulated and entertained with the cute animal buttons and flashing lights along with a friendly voice and fun melodies to discover. Its like a carnival on a little ball. Product Features: Motorized, self-rolling baby ball Babies who start crawling will be attracted to it. Great baby gift. Baby toy has 3 light-up shape buttons that teach infants numbers and insects 3 animal buttons teach babies animal's name and sounds; helps with baby music learning and recognition Sensory ball has soft satin ribbons that enhance tactile stimulation Designed for 6 months to 3 years. Musical toy comes with 40+ sing along songs, sound effects and fun phrases |