Bang and ring. Where is the noisy thing?

Take a rattle or other toy that makes noise. Ring with it at one moment in front, at another in left or right. Even ring down the legs and above the head. Talk gently to the baby “Bang and ring. Where is the noisy thing? ... Look! Here is the toy!”. The most important is the baby to start to turn on its head into the direction of the sound - that develop hearing and attention. Do not forget to praise it when it founds the toy.