If you want something that spins as it falls, try a basic cut: Cut a strip of paper (about 1x6 inches). Cut a slit halfway down the middle of the strip. Fold the two resulting flaps in opposite directions.

Cut along each crease from the corner toward the center, but stop about an inch before you hit the middle.

Are you looking to attach this to a , or just making a standalone toy? Paper Crafts : How to Make a Paper Propeller

Start with a square piece of cardstock or heavy paper.

Glue multiple strips of colored paper (like brown or tan) together using super glue to create a thick "block".