Every couple of months it feels like there’s a strange new “innovation” in toothbrush design. Most of these seem completely unnecessary, like little rubber nibs that massage your gums as you brush. But once in a while, the basic design of a toothbrush is improved so dramatically that you actually get the urge to rush out and buy a new one right away. Such is the case with the Brush & Rinse toothbrush from Amron Experimental.

It’s so genius, yet so simple, that you have to wonder why no one has thought of it before. Just a little ridge on the end of the toothbrush turns it from dental cleaning device to water fountain. Being able to brush and rinse with just one item cuts down on waste and bathroom clutter (no need for those little paper cups next to the sink) and actually makes brushing fun. Plus, obviously, this makes it easier to clean the bathroom sink: just aim and shoot.

Any parent who’s ever had trouble getting their kids to brush their teeth will appreciate the simplicity and fun of this design. Just about every kid loves a good water fountain, so imagine how much more they’ll love it when it comes from their toothbrush. This award-winning design is in pre-production now, but won’t actually be produced unless they reach a total of 50,000 pre-orders by their deadline. Its popularity is due, in large part, to the explosion of popularity the design gained after being heavily featured all over the internet.