Wormhole Envelope is a utility tool in card magic. It is mainly a visual signed card to envelope effect. The spectator selects a card, sign his name on the card, then the card is shuffled back into the deck. The magician takes out an empty envelope with a hole, suddenly the signed card appears inside the envelope.
We can also do color changing card, open prediction and many other effects with it.
Advantages:
- Can be done with any standard size playing cards.
- Instant reset.
- Easy to do. No difficult sleight of hand needed.
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