Phoenix and Scottsdale with Kids: Family Attractions, Splash Pads, and Rainy-Day Backups Phoenix and Scottsdale reward families who plan around one thing: the heat. Get the timing right and the Valley of the Sun turns into an easy kid trip, with a world-class aquarium, a walk-through butterfly pavilion, a real steam-era railroad park, splash pads on nearly every block, and short desert hikes a four-year-old can finish. Get it wrong...