You could mistake them initially as trying to move the huge stone in the Class 1 and 2 sandpit, but that was only the beginning of a complex and impressive network of rivulets, tunnels and water flows that have captivated the children every lunchtime. Carting water, designing flows and dams, whilst enjoying their outside play time has been the most enjoyable time for all : "Class 1 is fun!... Class 2 is too!".