The magician takes a box of matches and removes a match. He lights it and closes the box. 'You have heard of the separation of atoms. Now witness the separation of the flame. ' A moment of deep concentration and the flame erupts in two huge flames which continue to burn at the head of the match.
The fire ball is a 1 inch crystal ball held on the fingertips, and at your command a large flame shoots out from the center of the ball.