Postcard
or card, rice, lentils, string, foil, shoe polish, glue.
Instructions:
Spread
glue on a postcard. Sprinkle on the rice and string etc. You may try to
form a picture if you like. Cover with foil and press down gently. Rub
over lightly with polish.
Hints:
This gives a very similar
effect to that of brass rubbings!