They are made for switching and multiple outs:
- Switch any freely chosen card into your force card
- Use any two force cards and reveal either one as your prediction
- Use two double face cards in one envelope to have four possible outcomes
- Use any blank card with any words, symbols and numbers for the above applications
- Force any prize, gift, prediction, bank night and any lucky themed routines
Comes with 10 black Tyvek envelopes. No instructions included.