12/12/2017. Our Lady’s Children’s Hospital - Magical Fantasy land on Ho Ho Day. Pictured staff members (center) Donnal Farrell dressed as Harry Potter at the Our Lady’s Children’s Hospital Magical Fantasy land in Our Lady’s Children’s Hospital , Dublin. Ho Ho Day is a Special event organised every year by the Play Department and hospital staff to bring children, families and staff together for a magical day of festive celebration. Photo: Sam Boal/Rollingnews.ie