A child’s most important job is to play, from 0-3 years old children will begin to explore their body. Playing balls can stimulate the development of large body movements. The steady development of major muscle groups will also benefit small muscle groups. During these movements, the nervous system will conform continuously. The brain is satisfied by the stimulation and can help calm the children. Which is what we always say, big movements can lead to small quiet. Thus, you must allow your child to move enough.