A very rare item, no longer made - one of Alan's very early items.
The performer displays a small square tube, at either end of which is a window, A die is then placed into one end of the tube where the number uppermost on the die is clearly visible through the first window. With the aid of a small wand, the performer now moves the die through the tube to the opposite: window where the number uppermost on the die is seen to be the same as before
The die is removed and again placed into the tube and viewed through the first window. The performer then pushes the die through the tube with the wand, but when it reaches the second window this time, the number on top of the die has changed to a different one (please note, this one has a black die)