- This event has passed.
Thu, October 25|6:00pm - 8:00pm Free
More than 3,500 people will dress in costume and head for historic downtown Wylie for Boo on Ballard, a free trick-or-treat event. Kids collect treats from local merchants in safe, controlled environment. Down the street at Olde City Park, Wylie Parks and Rec presents Glow in the Park with bungee trampoline, zip line, foam cannon pit, live DJ, more.