Pinwheels seem to be the perfect party decoration. They are easy to make yourself and the children enjoy playing with them, so they can double up as party favors. Plus they look stunning on dessert tables as they spin in the wind. All in all, the perfect street party decoration ! Here is how to make your own paper Pinwheels: Take a square of paper. You will get the best visual effect with papers that have a different patterns on each side. Trace diagonals and cut along the 4 lines leaving…