World Is Your Oyster Card

The world is your oyster and everything's possible!

This card shows the chemical structure of calcium carbonate, what pearls are made of, and pearls come from oysters.  The creation of something so beautiful such as a pearl results from a defence mechanism by the oyster against a life-threatening irritant.  

A great metaphor to show that positive things can arise even from the negative.  Send this card to encourage and inspire someone.

Greeting:  the world is your oyster
Inside:  blank
Size:  A2, 5.5 x 4.25 in (14 x 10.8 cm)
Quantity:  1 card with envelope

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