For a cute and portable picnic place setting, wrap an old tin can in craft paper, stick a label on it, and fill with a napkin, flatware and a bottled drink. Click through for a tutorial and more tin can crafts.
birthday centerpiece idea -- tie balloons on top--fill with any candy. let kids guess on paper how many pieces of candy are in the jar. one who is closest gets the jar at the end. Could work as table numbers/center pieces too!