DIY Cereal Box, Tin Foil and Yarn Art. it’s easy, but you have to use permanent markers. Because you can so easily emboss tinfoil, this could be a really interesting project. Tutorial from piikea street here.
With a partner students could stand in different positions and trace each other's shadows. elements of art: color, shape and space. Also a good science lesson to teach how the earth rotates in relation to the sun.