Park day for homeschoolers, once a week most weeks for years. 

 Parents tend to circle up, and also circulate around. 

Magic The Gathering is quite popular. Love the mixed age groups that constantly sift and shift. 

This is the best season for park days. The weather is unbelievably kind and the day can stretch on for many many hours in the warm sunshine. We stayed from 2 - 6:30 yesterday. Because it was just that awesome out.  There was chatting, strolling, knitting, guitar playing, and card trading.