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       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!

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 2: Step One:

This part is easy. 
Fill the cup with water half way and put in some ice. 

Step 3: Step 2:

Put the piece of thin cardboard on top (make sure that there is a seal on the cardboard) and flip the cup over.  If you have towels, place them around the place where you are going to put the cup.

Step 4: Step 3:

Remove the piece of cardboard before it gets to soggy.  Remove it fast!  You will have a little water leaking, but it is okay. Clean up and now you have you joke!

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!

<p>I tried this. I spilled water all over the bathroom &gt;_&lt; and I got into a lot of trouble but this was still good instructions.</p>
My dad is going to bust a vein
<p>&quot;They would have to get a piece of cardboard and take out every single one out of the entry way.&quot;</p><p>That would not work.</p>
It works a bit better if you fill it right-up, having air makes it a bit more prone to leaking.<br /> <br /> L<br />
Also, if it's filled all the way it just looks empty.<br />
lol... we used to do this to waitress with their tip inside (obviously a GOOD tip)

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