The performer opens and waves a rainbow fan. He then hands it to a spectator, but the more he tries to open it, the more he can't because the fan keeps on breaking in many pieces. Only in the magician's hands the fan opens and waves.
"The Butterfly deck will enable you to perform miracles not possible with any other deck. A true innovation in card magic."- Richard Kaufman (chief editor of Genii Magazine - the largest selling magic magazine in the world)