Push a paper making visibly penetrate through a transparent glass. Then, you do sink a coin into the glass and let it flow back to the surface. Viewers can touch the glass surface: there are neither holes nor cracks.
The game lets you play with as much amazement as far as I will try your audience.
You will make war with your own eyes.
Your audience will admire the effects, you will love the trick!
There is also a cheaper version of this routine (gimmick) available via these LINK