Solid information on props

now they are put both put back in the bag and they change to blue

Let's just say the method for this effect

cut and manipulate the deck

Mind Stick | Tenyo Magic Kozmomagic Solid information on propsThe spectator holds 3 mind sticks, each one containing 8 random symbols. The performer turns away, and the spectator is instructed to look at any one of the eight designs, and to stare at it intently in order to lock it into their mind. There is NO FORCE! The spectator then mixes the 3 sticks, and covers all the symbols so that there is no chance that anyone could discover which design was memorized. The performer turns back around, simply passes