Three balls are placed into the empty clear tube with cover of the white tube. The white tube is removed and the balls have changed order! The balls are removed and then placed back into the clear tube with the cover of the white tube. The last ball is placed in the box. The box is opened and the ball has vanished! The missing ball has reappeared in the clear tube! An Essential Item For Kid Magicians and Clowns! There are many incredible effects you can do with this item! The tube and balls can be used as a stand alone magic show! The Grams-Gung-Ho Vanish Box is designed to vanish more than just a ball! You will quickly find that the "Joker Tube" has endless possibilities!