Shake it and it rattles with its built-in rattles. It is just as easy to clutch and roll as the original Oball. Babies will be fascinated by its bright colors and fun rattling beads as they explore its springy surfaces.Oball rollie rattles get the fun rolling. These clever toys are designed to be easy for even the littlest hands to grasp. The clear rattle ball rolls and rattles when baby pushes it across the floor. And these colorful, charming characters add a little something extra. Styles may vary. Assortment of 2, sold separately.