They’re subtle, fascinating and surprisingly simple.
You will need:
Nail polish in several pastel shades and a black or dark brown
A matte top coat
A very small round paint brush
A nail file
File nails into egg shape.
Look up pictures of eggs, and choose types you like.
I picked a wren’s egg for this one.
Dapple on your base shade, cream in this case, then cover with a matte coat.
With your little paintbrush, dapple speckles in your dark colour. An over loaded brush gives big round spots, a dry brush gives tiny spiky speckles. For most eggs you’ll want somewhere in between. For wren eggs, I used a well loaded brush for the concentrated area and a dryer brush for the rest.
Pick another egg and keep experimenting!