EFFECT At the beginning, the magician takes out an alarm clock, adjusts it and tells audiences he needs to control time during his performance, in order to not have blank gaps in his show because of audiences love him. Then the magician can play some magic which he especially good at .While audiences deep revel in the performance, the magician takes out a deck of cards and cutting it.And then magician asks an audience to draw any one card freely form the deck, remember it and put it back to the deck. Now the audience shuffles the cards and start puts the card face up one by one on the table.When the card which just boon drew appears,the alarm clock suddenly ringing.The magician tells audiences that,the ringing is because that it's time for him to stop the performing,and the enging time just stops at the chosen card.