Caffeine NecklaceCoffee lover? Dark chocolate? Green tea? Whatever happens to be your caffeine delivery system of choice, this cute caffeine necklace will be a conversation starter. The caffeine molecule is hung from an 18 inch sterling silver or tarnish resistant silver plated chain, with or without a dangling cup charm attached. The caffeine molecule is a lead free, nickel free zinc alloy and the cup is made from Tibetan silver. Perfect for: Coffee or tea lovers

The earrings measure 4

Anyone who loves the expanding horizons of scientific discovery

and euphoria

Anyone who shares the gift of loving numbers

These darling abacus earrings (with moving steel beads

Meteorologists

these necklaces are unique and unforgettable

The pendant is hung from your choice of a silver or non-tarnish steel chain

the assumption of ceteris paribus is an economist's version of a frictionless table: ignoring the details lets you see the general principle

and improving cognitive function

Choose between aluminum and bronze for your next cherished piece of jewelry

lighting up our skies and our imaginations