This activity center can lay flat on the ground to play or add the laeg and convert it to a walker. With lights and sounds including a ringing telephone, spinning gears, night & day spinner, and musical notes. With a shape sorter at the bottom that opens up and stores the pieces. Uses 2 "AA" batteries (incl.). Measures 17" L. x 18" W. x 17 1/2" H. Ages 6 mos. +.