How to Create "Blown Out" eggs for craft projects that use empty, complete eggshells. Blown out eggs can be preserved for years after they're made; without the egg white or yolk, the eggs won't spoil. If you want to learn effective techniques for blowing out eggs, read the linked article.
How to make speckled eggs for easter / spring decorating, using tea stain for brown eggs & blue food colouring for the blue eggs.
Why did I never think to use the dremel to drill holes in the eggs? Way easier on the hands than using a needle! Also, this is the only thing a bulb aspirator is good for in my book.