Out of pity for the teacher, you also don't want to get the cheapest plastic whistle you can find.

Bought as a toy for my 18th month old who broke all his toy whistles for kids.

was a loud whistle blowing around my house while i'm on the phone or watching tv

It is out of tune and sounds like a cheap plastic whistle from a box of Crackerjacks.2/5 stars

This recorder is just like the other ones in the music class and sounds just as high pitched and annoying as I remembered them to be many years ago