This guy would be a great gift to...
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A sterling silver pendant necklace in the shape of a caffeine molecule.
A sterling silver necklace in the shape of the dopamine molecule
A sterling silver necklace in the form of the estrogen molecule
A necklace with a sterling silver pendant in the shape of the serotonin molecule
A sterling silver pendant in the shape of the serotonin molecule on a black cord
Three teal capacitors are connected together to form a striking yet subtle necklace.
A sterling silver "chocolate" molecule necklace.
A smaller version of the original serotonin necklace, available in different material choices.