Is it magic or the ultimate optical illusion? Wither way this is another masterpiece from Lubor Fiedler. The magician takes a pen and sticks it through the Invisible Zone case. When the case is opened the center of the pen is totally invisible, even though the pen is moved back and forth. It looks totally impossible. This is one of those tricks that you will do for yourself time after time…it is that good. Easy to do and diabolically clever, Invisible Zone may become your favorite magic trick.