The whisper phone is a classic teacher DIY. I don’t know who first discovered these babies, but I first learned about them 10 years ago during my undergrad from my favorite reading professor. 8 years into my career, and I’m just getting around to making some of my own. And I’m kicking myself for not doing it sooner!  I do have whisper phones in my classroom, which I purchased years ago from a teacher catalog. Almost every single one has broken. They were flimsy, not that cute, and expensive!  So