The easy-to-remove activity panel features five light-up piano keys, three colorful shape sorters, removable cell phone, spinning gears and moreFive light-up piano key buttons introduce shapes and numbers in Learning mode and play music notes and melodies in Music modeMeet six friendly animals through interactive play and hear their unique soundsAdjustable two-speed control switch on the wheels allows walker to grow with your little one’s needs; magic sensor triggers sounds and melodies as your child walksIntended for ages 9-36 months; requires 2 AA batteries; batteries included for demo purposes only; new batteries recommended for regular useThis electronic walker for babies grows from a floor-play toy into a walker with tons of interactive features little ones love