Write an engaging article about the “Slide the Rails” event at McCormick-Stillman Railroad Park, highlighting the fun water activities planned for families. Include a section that offers tips on what to bring for the day, such as swimwear and sunscreen, to maximize enjoyment. Emphasize the importance of water safety for children as they participate in the attractions. Conclude with suggestions for nearby activities or eateries to explore after the event and encourage readers to share their experiences on social media. Make sure to capture the essence of summer fun in Scottsdale!