I think I've found a great motivation for washing teeth :) my daughters are fighting for almost brushing teeth, they quickly built how the craft, and boast that "look, they are white plusssss !! " P
more seriously, it has found its way into the bathroom, quickly load, holds the road without worry. this is our first electric toothbrush, there are chances that a second copy to join her (to avoid disputes at the time anyway, everyone uses it) :)