Place a real coin on the tray. Place a clear glass face down on the tray, trapping the coin inside. Tap on the glass with another coin. The second coin INSTANTLY penetrates the glass and ends up INSIDE, sitting next to the other coin on the tray!
Now, here is where your imagination comes in.
You can: * put a quarter on the tray and make a penny penetrate the glass * make a penny penetrate the glass and produce a mini penny when it hits the tray * put the glass over an empty tray, tap the glass, and make a coin appear * put a quarter inside on the tray, tap the glass, and make a dime appear next to the quarter
