"Mr. and Mrs. Recycle Head Cans" is a fun craft project any time or... that can be completed prior to Earth Day using a tin can. Integrate this lesson with science and have your the kids plant some seeds and grow a plant inside their "Mr. and Mrs. Recycle" cans. Show them a "Mr. Potato Head" before they begin this activity to help them brainstorm some ideas of how they can decorate their cans.