The blowing crystal effects has a strong impact on any type of audience. GBTP is a true and complete mentalism act; it causes such an effect that the audience will remember forever. The magician puts a glass, wineglass or fluorescent tube on a table and then he moves some meters away; He pretends he's concentrating. After a few seconds the glass blows out! The glass may be covered with a colorless bell-type cover or a plastic bag.
Because it is electronic it is under your complete control at all times in spite of the fact that you work it from a distance: you never touch the Tray during the routine! The Tray, which is beautifully constructed and features a fool-proof electronic mechanism .
魔术道具 
