It was so easy! I started by giving each kid some Easter egg designs to color and cut out.
Step 2: Cut strips of green paper for the grass, and cut "fringe" along one side.
Step 3: Glue the paper eggs to the sides of the boxes first, then glue the grass down over them. (I told my kids it was okay for the eggs to be half covered, because when they hunt for their eggs in the grass later, half of those eggs will be buried in the grass, too!
Let everything dry, and voila! Beautifully decorated Easter boxes!