The "Egg of Life" symbol is composed of seven circles taken from the design of the Flower of Life. The shape of the Egg of Life is said to be the shape of a multi-cellular embryo in its first hours of creation.
Flower of Life - Wikipedia, the free encyclopedia --- and other geometric figures (note: read through ahead of time, go through and digest information to share with young ones; sit along-side older ones to discuss potential sensibility issues)
The "Seed of Life" is formed from seven circles being placed with sixfold symmetry, forming a pattern of circles and lenses, which act as a basic component of the Flower of Life's design. The Seed of Life is a symbol depicting the seven days of creation.