A lottery ticket dispenser assembly including a plurality of modularly constructed dispenser units arranged in vertically stacked, interlocking relation. The dispenser units each include sets of rails which are engageable with complementary sets of rails on adjacent dispenser units to interlock the dispenser units for sliding movement relative to one another. Each dispenser unit also includes a door which, when closed, prevents the rails of adjacent dispenser units from being disengaged to prevent unauthorized personnel from disassembling the dispenser assembly.