Wacky Whistles are a magical whistle that goes in the roof of your mouth and changes your voice to a high octive so you can make awesome sound effects. It vibrates so fast that it can even be tickalish. It really is quite an amazing whistle and a lot of fun to use with all the sound effects it lets you make.
Fast becoming the number one fun toy to have, it's great fun to have at a party and will raise the ambience at any event! They make a great bird whistle too, you can make a large variety of bird sounds as well.
Click on the below link to know how it works