Small and Portable: The bird whistle is only 1 inches in size, and it is not easy to detect when you put it in the palm of your hand. When you put it quietly in your mouth and suddenly make a bird call, it will definitely attract everyone's attention and instantly become the focus of the audience.<br> Full of Magic: Bird whistle does not even affect the speech in the mouth, whether it is a family gathering or a friend party, it is a great prop to liven up the atmosphere.<br> How to Ues:Rest on the tongue, with the half moon shape of film pointed outwards. Let the whistle get moist in the mouth. Once moist and pliable, push it to the roof of your mouth with your tongue and say the words<br> chipshopshirpshhhchick-a-chick saying ANY of these words will make this amazing little whistle work!<br> Easy to Use: It only takes a little time to practice to master the use of bird whistle, then you will be a moving focus and show yourself at any time.<br> WARNING:This toy is not suitable for children under 12 years old because of small