Find Phone number, Location Address and all other information of Montessori Preschools in Karachi Busy Bees Learning System & Day Care Center Karachi on Branches.pk, Pakistan’s Largest Branches Directory. You can contact them directly on Phone number +92-334-2035184, or you can visit their location in person, address location is: BS-05, Masood Arcade, Gulberg Town, F.B Area, Block-13, Karachi..