It is imperative that he manipulate his audience into believing what they think, they see, by controlling their attention. Misdirection is his best skill. Sometimes mechanical or scientific props are necessary for some of his visual tricks. Timing is also important to the Magician. Sometimes it's used to trick the audience into believing the trick is taking place in real time when the deception has taken place earlier.
Equipment designed to aid the magicians performance is available.
Although, some of what you see on stage really is window dressing, for looks only, and has nothing to do with the trick at hand. See below for some magic sites which teach some simple tricks free and some fun sites on the subject. Except where otherwise owner indicated on Copyright page.