They don't make a racket or a stink and they're even helpful in the dark! Requires only electricity feedings.
Just touch the bottom and the light turns on or off and makes the coin sound! genius!
Here's a little fox light that you can make for yourself! Make me one while you're at it, will ya?
The light in here is so vanilla.
It's nice to know someone tall and quiet is watching over me while I sleep. Wait, did I say nice? I meant super creepy.