Supplies:
* cheapest liquid food coloring. Follow the directions on the box to make fun new colors. Make sure you place it in a glass cup / bowl so nothing gets stained.
* 1-2 cans of shaving cream  (remember it has to say "cream", "shaving gel" will not work)
* glass pan / flat bottom bowl to roll the eggs in. (FYI - using metal works too, but it might absorb some of the coloring)
* hard-boiled eggs

Directions:
Spray 1" layer of shaving cream in the bottom of the glass pan. (Anything more then that will just be wasted) Spread the shaving cream smooth and even so the coloring does not run and pool together.

Place the drops of the food coloring in random spots all over the layer of shaving cream. The more random the better so the colors will swirl. Use as many colors as you want to use, but 2-4 works best, or it just blends together and creates brown or ugly green. Next, with a thin toothpick, or a small narrow stick or even a lollipop stick, drag the stick through the shaving cream in random lines. Large swirls and loops will give the layering effect. 

Once you have the swirls the way you think looks great, place the Easter Egg in the shaving cream on one end. Gently roll the Easter Egg in a straight line from one side to the other.  After coloring the egg, carefully pick up the Easter Egg and gently place it on cardboard so it will not roll. You can leave it there till the shaving cream starts to dry up (usually takes 5-10 minutes and you can then clean it).

To clean  the egg take a paper towel and gently dry off the shaving cream off the egg. Don’t worry the food coloring has already done its magic! http://athriftymom.com/swirl-easter-eggs-how-to-dye-easter-eggs-with-shaving-cream/