A model of a village fair can be made with thermocol as base. Take a thick thermocol sheet, Apply a thick coat of plaster of paris on it. make small dolls of men and women with clay or buy it from market. You can use real leaves and plants for tress and plants in the village. Use fevicol to stick.Then use match sticks to make swings, merry go round etc. Stalls can also be made with a sheet named Forex which can easily be cut and made into shapes.