Tenyo Funnel Vision (T-182) 1997
The lid is opened to show the inside of the case. Real quarters are inserted into the top of the funnel. When they drop out, they have shrunken. The case is turned over, and tow of the tiny quarters are dropped inside. Suddenly, they become a full-sized half dollar! Comes with 5 miniature metal quarters (you must supply real Quarters and Half Dollar).
It was also sold by the Figaro magic shop.