magic box appearing ball

A simple magic gimmick
A solid ball appears in an empty box
The preparation:
Place the ball into the gimmick.

The Trick:
show the empty box by using a hand on each door (The gimmick door remains close to the spectator. As beginner simply do not move your hand with the gimmick door, when you open the doors.)
Close the doors.
Open the lid.
Turn the box
The ball falls out, magic :-)

Train once ore twice in front of a mirror before performing in public