Grandpals Week at the Museum: Join us August 11–15 for a week of memory-making and discovery! Grandpals and grandparents enter free, just the kids pay admission!  ? Pick up your activity book at the front desk  ? Follow the Story Stops throughout the museum and complete the activities together  ? Kids get a fun prize at the end!     Dates: August 11–15, 2026 (Tuesday to Saturday)  Times: 10am to 4pm daily  Admission: Grandpals get FREE admission when accompanied by someone under 18.  *No registration required, enquire at the front desk when you arrive at the Museum of Dufferin.