Looking for a rather unique floor idea? What about using pennies to create a one of a kind copper floor? Pennies are about $1.96-2.32/square foot (depending on spacing, plus materials). Or, you could try your hand at making a nickel floor for just a little more (nickels are about $10/square foot). To learn more about creating coin floors, here are some tips and ideas from www.adetailedhouse.com. Click on the link below to learn how to make your own floor out of pennies (or nickels).