Description: Bird Whistle---Also know as a prairie whistle, swiss bird warbler, double throat whistle or a ventriloquist reed. The bird whistle is a magical little whistle that goes in the roof of your mouth that changes your voice to a high octave and lets you make awesome sound effects. It vibrates so fast that it can be quite ticklish. It really is quite amazing and a lot of fun to use. 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 'chip' 'shop' 'shirp' 'shhh' 'chick-a-chick' saying ANY of these words will make this amazing little whistle work! Great For Events And Functions---You soaked it in water, placed it in your mouth, and "imitated Birds and Beasts'. With a little practice you'll be driving the birds nuts! Make innumerable different bird sounds (local and exotic) with these unbelievable little whistles,Or, just use it for everyday whistling. Great for events and functions,raises the ambiance of any event. WARNING---This toy is not suitable for children under 8 years old because of small parts. The bird whistle is amazing, it's in your mouth, it raises your voice an octave and allows you to make awesome sound effects. Apply it to the tongue with the crescent side of the membrane facing out. Let the whistle soak in your mouth. Once moist and soft, use your tongue to push into the palate. With a little practice you'll go crazy, it's reusable. No one knows where the sound came from. Realistic birdsong that all possible native birds can have by gently placing the tip of your tongue on your tongue, a splint between the gum and tongue or seat. You're done, and you're off. Specifications: Product name: bird whistle material: paper and metal Size: As shown Color as shown Package Included: 1x bird whistle Notes: 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! 2. Please allow 0.1-2cm measuring deviation due to manual measurement.