A plastic whistle that has a colorful paper tube attached to it, when air is blown into the whistle, the paper tube uncurls. 

A party whistle can also be a colorful cone-horn, or a cone-horn with streamers. A whistle that is clearly very different in shape from its metal based counterpart.

h4. See also

* [[whistle]]
* [[party]]
* [[party_hat]]
* [[party_popper]]
party whistle