Kids riding bikes, scooters, wagons and non-motorized vehicles, often with their parents providing the push/pull power, will start parading from Darien High School at 10:30 a.m., Monday, July 4. (What will the kids be doing? Mostly providing the charm. Whether they look bored, sad, angry or, more often, curious, happy and delighted, they’ll be exuding oodles of charm. It’s what kids do, particularly if they’re too young to do much mischief.