We got this idea from one episode of Disney Junior's Agent Oso. It's an easy and fun activity with little kids like my daughter.
Just pick leaves from your garden, lay them vein-side up on a piece of paper, cover with another piece of paper, and color using the side of a crayon. Use your imagination to create beautiful works of art! :-)
These are some of our artwork:
Try this out and enjoy an afternoon with your little one! :)