You have chosen to sponsor your bid up to a maximum amount of .
You will need,A pvc pipe, about 8cm in diameter and of length30 cm. A pvc pipe about 7 cm in diameter and of length 20 cm.One black drawing sheet,oil-1ml two rubberbands a pin. andA4 sheet. If you cannot get pvc pipes, take a thicksheet of paper and roll it to form tubes.The diameter and length of the tubes should be the same as that given for the pipes. Cut the piece of black paper and put it like a cap at one end of the big PVC pipe and fix it with a rubber band Put thewhite paper like a cap at one end of the thinner pvc pipe.Fix it with a rubber band . Now make a hole in the middle of black paper cap with the help of a pin. Put two or three of oil drops on the white paper cap so that it becomes translucent. Insert the thin pipe into the big pipe.Your pin hole camera is ready. Arrange a lighted candle infront of the pin hole of the camera. Move the thinner pipe forward and backward to get a clear picture of the candle on the screen of the thin pipe.