(Fresh Meadows,New York)
Victim, yellow food coloring, syringe(optional), and toilet
Step 1: Open the tank of the toilet
Step 2: Pour the yellow coloring into the toilet or suck it up with a syringe and squeeze the coloring out into the tank
Step 3: Put the lid of the tank back on and wait for the prank to go off
Optional: You may put a hidden camera somewhere to capture the victim's expression.