What is the definitive guide to NYC summer activities for kids by Mommy Poppins?

I'm sorry, but I don't have the specific details of the Summer Fun Guide for NYC kids by Mommy Poppins. However, based on the information I have, it seems to be a resource that offers a variety of summer activities for children in New York City. It's designed to ensure there's something for everyone, making it a great tool for families looking for ways to keep their kids entertained during the summer months. For more detailed information, I recommend visiting the Mommy Poppins website or their social media pages where they've shared the guide. Is there anything else you'd like to know about summer activities for kids?