Magician shows two empty envelopes named A and B and places them vertical on the table.  A wand is shown to be soli dby tapping on the table and put into the envelope A.  The audience is asked whether they want the wand to fly from envelope A to envelope B, visibly or invisibly.  Obviously thay say "visibly".  Magician takes out the wand from A and keeps it into B.  Audience sees no magic in this.  Now tha magician says that he will transfer the wand back to envelope A "invisibly".  He pretends as if he is picking up the wand from  B  and placing it in A.  To prove that it is gone from B, he crushes the envelope and ta kes out the wand from A.