Medium Fiber Optic Marbles

This marble is made out of Fiber Optic Glass. A very beautiful solid colored marble due to the way light is transmitted through the glass. It's light transmitting properties also makes it possible to read through the marble! Very spectacular! Choose yellow, amethyst, teal, green, dark blue, or pink. Size is 30 mm or 1 3/16" in diameter. Sorry, the tri-colored is not available at this time.