This event is in the "All Ages" group. Diagon Alley Dash 9:00am - 5:00pm All Ages This event is in the "All Ages" group. Sep 20 2019 Fri Diagon Alley Dash 9:00am - 5:00pm All Ages Please note you are looking at an event that has already happened. Library Branch: Plainfield Area Public Library Room: Lower Level Bay Area Age Group: All Ages Program Type: Games & Activities Description: Find all the missing wizarding school supplies that have been hidden around the library in this Harry Potter-themed scavenger hunt. Find all the items and collect a prize at the Youth Services desk.