my son makes to the vacuum cleaner and sucked through the area. Let's see if he will make the later so, if it is time to clean up and suck his room;)
The Styrofoam balls can not be removed from the vacuum cleaner! So do not worry.
So for those who can not be bothered by the noise vacuum cleaner, what's more a hum, it is an ideal gift for the little ones. And if you really bothers you, you can also give the vacuum cleaner so to the children of his friends: P