First, you show a white dice to audience and put it in a box.
Then, get the dice out of the box but the white dice has changed to black dice!
Now, put the black box inside the box. This time it changes to a colorful Rubik!!
At this moment, you can show both the box and the Rubik to the audience completely!
Size of the box is: 10.5 * 11.5 * 11
Size of the Rubik is: 9 *10 * 10
All the material of this item is made of wood.