When you get to the 'kids' section take one of the big wands and move it quickly from the water over someone's head. You can put people in bubbles. Did this for almost half and hour with my boyfriend.
Warning: when you buy tix online, you must print them out. They are not a mobile-friendly biz. Add'l headache: the online tix must be purchased 2 hrs before you intend to go. Oy!