New York City’s skyline has no shortage of showstoppers, but for families choosing between Edge at Hudson Yards and SUMMIT One Vanderbilt, the right call depends less on height stats and more on kid logistics: strollers, bathrooms, lines, weather, and how easily little legs (and attention spans) will love the experience. This guide breaks down both observatories in a family-first way—then gives clear picks by age so you can book with confidence. The quick answer Babies & toddlers (0–3): Lean SUMMIT on cold, windy, or rainy days; the experience is mostly indoors and climate-controlled. Early kids (4–7): It’s a tie.…