The one day they are not happy?
The day we go to the doctor. And get shots.
Now for some people this might not seem like that big of a deal, but my older kids have a morbid fear of needles. And I mean MORBID.
It's NOT pretty..
Reviews indicate this is a powerful blaster, shooting between 50-75 feet, depending on your angle. Its accuracy appears to be top-notch as well.