Little muggles, wizards, and others cross Platform 9 ¾ to the School of Witchcraft and Wizardry on Saturday, November 11 from 10 a.m. to 2 p.m. for a whimsical spellbound family event. Includes science experiments and crafts that explore the magical world of the Harry Potter books. General Admission: Adults $18, Children $13 (3 –17)  Most activities to be included in general admission. Additional cost to vary on activity.