Dice Transformation Box*

Performer opens the lid of a small box and shows the inside of the box is completely occupied by six dice.
They are serially arranged from one to six inside the box. Performer covers the lid of the box and hands over another dice to
the spectators. A spectator throws this dice on top of the closed box. Presume the number thrown is 4. He opens the box and Surprise! All the 4 spots are now on top of the six dice inside the box.

And the spectators can examine the box and dice to their heart's content. made of plastic