Imagine this: you show five colored cards (blue, yellow, red, purple and green) and a spectator choose only one of these five cards.
Then he puts one colored card inside the black envelop and the other four cards are hidden by another spectator but you'll never see their actions.
You'll always guess what colored card is inside the envelop !
- No electronic gimmick.
- No forced cards.
- No helper.
- Let the spectator check all!
- 100% examinable!
- Easy to do!