I've designed a slight he's self-effacing it has sort of PV panels all the way down to the front and those panels create the energy for a water fountain that's a brilliant thinking in a six years old most importantly with this technology and with their thinking and their think in monitoring we need to reward their success money is a motivator in this so that's what we did we asked all this children to analyze our data each week and in winter months it was a hundred kilowatt hours a day about ten pounds for school and in the summer less and the children in an assembly on the Friday and achieve it assembly 