They all wanted to try it out later on...

"The trick, you see, is not just to randomly splash the surface, you know, whipping about in the water. It has to be done with delicacy, you have to be- like this, look - accurate. Precise! Get the timing juuusst about... right! Like that! Now you try it!"

*splash! SPLASH!*
*laughs cheerily*

"No, no, you're doing it all wrong! You wouldn't have fooled a child dropping THEIR crystal in the loo! I suppose that's why I'm the one entrusted with these sort of important tasks! Now go away, I need a minute alone with this thing!"