IT'S A MIND BOGGLER! MIND BUSTER! MIND BENDER! YOU NAME IT, THIS IS IT!

Effect

You show two packets of cards containing red-backed and blue-backed cards (all with blank faces). Two spectators each lay out pairs of cards from the two freely shuffled packets. Despite any constraints, you have accurately predicted the outcome: ONLY THREE PAIRS WILL MATCH and THE THREE PAIRS WILL BE RED! At no time do you touch the cards as the spectators make their choices.

Easy to do.
Always ready.
Complete with all the cards.