Use an empty toilet paper roll to print your very own fabric! Painted dots from an empty toilet paper tube. The possibilities are endless! Maybe green and red dots on a lovely burlap for a Christmas table runner? Or blue and silver?
Use pennies for enameling - cheaper and sturdier than most round copper discs! Great size for jewelry. (these are so pretty. not that I will be hand-firing enameled pennies anytime soon!) Perhaps nail polish?