Please do not do this when you are near a drink that can spill over you or have something important to go to do. This will make you waste considerable time, but nearly all of it laughing.
Someone at work mentioned an amazing prank that involved a porta-potty in a park being reconfigured so that it then eventually opened into into a meeting in progress. That lead to a whole series of pranks that this Japanese TV show carries out.
None of these I suspect would be possible anywhere in the US. Even then, someone suing for a considerable amount of money is a given.