A Brief History of the Earth.

A Brief History of the Earth.  Part 1.
Stone, steel, copper, linen, seed.

Part 2. (minus linen, added cotton and wood)

Part 3.  (linen)

Part 4 (added gravity)

Part 5. (added silk and gravity)

Part 6.  (added gravity, old rail spike and sea urchin part)






Found objects, starting with stone and developing.