Write an engaging article about the McCormick-Stillman Railroad Park in Scottsdale, Arizona, highlighting its family-friendly attractions, including miniature trains, restored presidential train cars, and the charming carousel. Include practical tips for visitors, such as the best times to visit, budget-friendly options, and the benefits of packing a picnic to enjoy in the shaded areas. Emphasize the park’s educational value by exploring the exhibits in the museum and encourage families to engage in interactive play at the themed playground. Suggest photography ideas to capture the best moments and emphasize the importance of visitor etiquette to enhance the experience for everyone. Conclude with highlights of nearby attractions to make the park visit part of a memorable day in Scottsdale.