Do they have water parks in Los vegas nevada we are taken kids from 2 mos-10 years old do they have fun stuff?

hi name is ashley morris and we are going to los vegas nevada for a family trip and we have kids from ages 10-2 months.Well we do have a 15 and 16 but they are the parent if the 2 month old so i don't list them as kids no more.Anyway are there any from stuff to do in nevada with kids.Thanks You