Safe space heater/alternative?

[Momof4]

I have a small space heater that is very safe with plastic parts all around it so that there is no way the children's fingers can get near the heater elements. It's in a closet right so I don't know the brand but when you are shopping just take a good look at the different types and buy the safest one you can find. That's what I did. I can't control the heat in my apartment and they turn it on and off at a certain date each year but sometimes it's pretty darned cold in here so we need the little heater.