this is how it works. it shows a ''find the difference'' picture puzzle. ask your friend to find differences in the pictures. when he/she carefully check the images it will suddenly pops up a scary face with very scary sound.
It is very simple, follow the instructions.
How to use:
1) select a puzzle image
2) set a timeout to start prank
3) press the start button then it will look like as a real ''find the difference'' puzzle.
4) ask your friend to solve it, the scary face will pops up after the time out and will scare your friend.
it''s the best Halloween prank! :)
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