Did you play with marbles when you were a kid? This gorgeous Festival Glass is made from the same process used to make those cat's eyes and aggies.
Imprinted with a supercool font, each stone is approximately an inch and a quarter in diameter. This is a very unique item, not easily found.
Set II of Festival Glass includes the words

CouragePeaceFaithJoyStrengthGrace Each set is a little different and the words may not be on the color stone depicted.