According to DH, the Hello Kitty design on that gun was done to entice more women to learn to shoot. I think it's stupid, but he is the gun expert.
As for the original point to this post, I would have killed them all!!! My son takes his life in his hands if he destroys anything in my sewing room. Only once has he done this and never again. He is 5 so I eventually forgave him, but his bottom hurt for awhile!!