A Spectator places a die with a freely selected number of spots on top into an examined opaque container, which is closed with a tight press on lid. This container is then placed inside a second larger examined container which is also closed by the spectator.
The spectator then concentrates on the number of spots on top of the die. The performer correctly reveals the selected number.
A well made, and extremely low priced model of the item, this is supplied complete with instructions.