all right another thing that we don't want is these clickies ones okay I know it's so much fun to click click click click click click but then all I'm going to hear is 20 students clicking all day so please put these back okay good go these marker ones here it says great for glass surface but we don't want to encourage kids exactly no we don't want to encourage kids to draw on the glass okay exactly no okay here is what teacher will approve okay these Ultra Clean washable M color markers sorry and their color Mac so this is a big yes for school teacher approved yes