Are you dying to scare your colleagues?
This trick is for you!
Here's something to keep them busy for a while.
All you need is a beaker and a little imagination.
Discover the deception in pictures:
Contents
1. Take a cup and a marker.
2. Flip the glass.
3. Write your message on the cup.
4. Wait for the reaction of your colleagues.
There you go, your colleagues will now be terrified :-)