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