How many pennies can you add to a full wine glass before it overflows?

How many pennies can you drop into a full glass of wine before the liquid starts running over the edges?

Videos by Rare

We think the answer will surprise you!

RELATED: This coin trick hinges on a guessing game that you can’t lose

Have your friend guess how many pennies it’ll take. They’ll probably guess far fewer than the number you’ll actually need!

Looking for more bar tricks? Start here.

What do you think?

Man soils two lavatories with human waste, Chicago flight diverted

McDonald’s hit’s New Year off with bang, demolishes No.1 store museum