A Russian Roulette effect like no other. No magnets or electronics. This prop can be handed out for examination before you begin. The below video tells it all! The Deadly-Duo is about as safe as can be. You must be 18 or older to order this trick. Before ordering call me (Dick Barry) at 949-361-8620 for details and verification of age. We have 5 of these left. There will be no more.