Wiping a whiteboard is not hard but robots can do it better than us, so why bother. The swiperWHITE is an automatic whiteboard that sticks to your board with magnets. You simply have to press the button for it to clean your board for the next person.
The device has 2 motors with 3kg.cm torque. It can perform 60 cleans per charge and has a cleaning speed of 200mm/s.