It strengthens the connection between the left and the right sides of the brain through movement. B4BRAIN baby ball is an extra soft plush toy with rattle sound. If you are looking for a toy that is soft, has no sharp edges, is big enough not to be swallowed and small enough for your little one to hold, then B4BRAIN baby ball is your best choice, Material – Cotton. Clutch ball is designed for better grasp in the baby’s hands. The black and white colour in the ball makes it appealing to his eyes. After 1 week move clutch ball towards the leg. It will function as kicking ball.