Description: Bird Whistle --- Also called prairie whistle, Swiss warbler, double throat whistle or ventriloquist. The bird whistle is a magical little whistle that goes on the roof of your mouth that changes your voice to a high octave and allows you to make awesome sound effects. It vibrates so fast that it can be quite ticklish. It is truly amazing and a lot of fun to use. How to use --- Rest on your tongue, with the crescent shape of the film pointed outwards. Let the whistle get moist in your mouth. Once it is moist and pliable, press it to the roof of your mouth with your tongue and say the words "chip"、"shop"、"shirp"、"shhh"、"chick-a-chick" and say ANY of these words will make this amazing little whistle! Perfect for events and functions --- You soaked it in water, placed it in your mouth and "imitated birds and beasts". With a little practice you will drive the birds crazy! Make countless different bird sounds (local and exotic) with these amazing little whistles, or just use it for everyday whistling. Perfect for events and functions, it will raise the mood for any event. WARNING --- This toy is not suitable for children under 8 years old due to small parts. The bird whistle is amazing, it sits in your mouth, it raises your voice an octave and allows you to make amazing sound effects. Apply it to your tongue with the crescent side of the membrane facing out. Let the whistle pull in your mouth. When it is moist and soft, use your tongue to press into the palate. With a little practice you will go crazy, it is reusable. No one knows where the sound came from. Realistic birdsong that all sorts of domestic birds can have by gently placing the tip of the tongue on the tongue, a splint between the gum and the tongue or seat. You are done and you are away. Specifications: Product name: bird whistle Material: paper and metal Size: As shown Color as shown Package includes: 1x bird whistle Notes: 1. Due to different monitor and light effects, the actual color of the item may be slightly different from the color shown in the pictures. Thanks! 2. Please allow 0.1-2 cm measurement deviation due to manual measurement.