Today, we brought the Uni to a great play street in the Bronx run by Caldwell Programs. As I promised everyone last week, I brought along some new math puzzles today. Learn more about our ongoing effort at play streets, made possible by a grant from Shippy Foundation. Thanks to Uni staff Leah Kaplan and Ester Shmulyian and Jennings Play Street founder Lonnie Hardy. Make a place for learning.