Six Glass Production
Performer displays 2 flat boards which are clearly displayed all round. He holds one board horizontally like a tray, and places the other board vertically on it., like a screen.
When the vertical board or screen is lifted away, a 3-D decorated glass tumbler is seen resting on the horizontal board (tray).
This is repeated again and again till six glass tumblers in 3 different colors have been produced on the "tray".
Comes complete with all necessary apparatus and illustrated instructions. Mechanical item, only requires handling practice.