Using three envelopes with windows in form of geometrical figures and three prediction cards with colored back, you can perform an effect starting funny with a really powerful ending. The color of the geometrical figure determined by the backs of the prediction cards influences the spectators choices.
- Easy to master and to perform! 
 
- Free choice! 
 
- No equivoque! 
 
- Ready to go! 
 
Available in English, French and Japanese version.