(These are pre-made and ready to ship).

Quarts and amethyst resin casts.

$5 each

Shipping is $5 within the US- I can fit 2 in the envelope for the same price.
Overseas will be $9
I can ship up to 4 in my envelopes for the same cost :3.

Useful for many projects but here are some ideas-
little horns on a suit
tabletop decorations
beta tanks
shiny stuff to poke at friends
rock collections
magnets
gems for lizards
dragon hoards
other cool stuff