Press the top of the toy to make the balls spin and the chime sound! Enjoy the unique happy faces on each of the balls spinning in their little dome. Popping motions and bright colors help stimulate your baby's senses! It's lightweight and easy to hold shape allows your baby to play everywhere. The Press 'n Tumble Activity Dome has an easy to grasp handle making it perfect for sitting tall! This tumbling colorful toy not only stimulates your baby but also helps teach hand eye coordination. It also helps teach your baby cause and effect. When you push the top, the balls spin!