A_421 - Some pens, if dismantled, can be used as blowguns with which to shoot paper pellets to people who don't have curly, voluminous hair. In addition to this, using paper tissues soaked in water and then wrung out and dried it is possible to make fake stones. They are harmless if thrown at the heads of classmates with parabolic motion, and if spherical they can also be used to play games with mini baskets in the classroom. In addition to this, they can also be painted or colored.