Vibrating Plate Activated with downward pressure. Switch vibrates with pressure. Provides tactile feedback when touched. Can be used alone or as a switch. Try with very young children or children who have a hearing or visual impairment.
Most models have suction cups.
Vertical Plate Switch Activated by midline or sideswiping body movements. Can be positioned at a 45 or 90 degree angle. Try with children who use gross body movements - such as athetoid movements. Try in a side-lying position. Comes with suction cups.