If one of the three surfaces is breathed on, a card value is created each time, which then slowly disappears again, making a total of three different card values.
4 of Hearts, 2 of Clubs and Ace of Diamonds

Dimensions: approx. 3.8 cm x 2.8 cm x 1.9 cm

The delivery includes an instruction sheet on how to use puff glasses, but without a trick routine.