Students were thrilled to see the various innovative, eco-friendly models and projects, displayed there. They came back brimming with their own ideas and inventions, taking inspiration from the models such as Biosphere ­– showing the interdependence between plants & animals ; generating electricity from congress grass; mechanical generators, green building – based on 3 concepts: pizzo concepts, solar panel and carbonated sheet; recycling of plastic to make roads and tiles; Nano technology to remove oil spill from seas; eco friendly fridge etc. Children also thoroughly enjoyed the mathematical concepts such as Pie-Chart, Properties of Triangle, Tangram which were explained in a very simple but effective manner.