Instructables
       This is a pretty simple trick that can be done with items you can find at home.  The trick is an upside-down cup with water in it.  If you pick up the cup, the water goes everywhere.  This is actually my first instructable and I am submitting it to the april fools contest.  Please view this!
 
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Step 1: Stuff you will need:

This stuff you will most likely have at your house:


-a cup
-some water
-some ice
-a piece of THIN cardboard (you can cut one from a cereal box, and it will need to be bigger than the cup's lip
-some towels (optional, it is nice for clean up)

Step 5: More ideas

Another thing you could do is do this a bunch of times on an entry way into a kitchen or some other flat surfaced location.  The victim would be trapped then because they can't just pick all of them up.  They would have to get a piece of cardboard and take out every single one out of the entry way.

Thanks for reading!
please vote!

lemonie4 years ago
It works a bit better if you fill it right-up, having air makes it a bit more prone to leaking.

L
Also, if it's filled all the way it just looks empty.
l8nite4 years ago
lol... we used to do this to waitress with their tip inside (obviously a GOOD tip)