APRIL FOOLS JOKE PLEASE ANSWER?

I'm going to swim practice. I have three female coaches. I am a girl. I NEED A GOOD PRANK. all girls swim team too.APRIL FOOLS JOKE PLEASE ANSWER?
Yellow food coloring.APRIL FOOLS JOKE PLEASE ANSWER?
put ketchup on your bathing suit and say its period blood or something .


then get a little on your hand and pretend like you dont know its on there and hit someone.
It can't be something too serious, like drowning.
put tape on the bathroom sinks... fill oreos with toothpaste instead of cream and make someone eat it...idk.. be creative..
Two words: Fake Blood :)