Vanishing Mark Pen Magic Tricks Jokes Sulap

A novel joke pen that appears just like any ordinary ball pen. You pretend to write with it, and it does not write. So you scribble with it on a table cloth, or someones shirt to start the ink flowing. The pen leaves a clear black mark. Just when the owner of the shirt or tablecloth is about to blow a fuse or bawl you out, you blow on the ink mark, and it vanishes !