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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.
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.