which involve adding a distinctive swirl of color to the center of the marble. Watch as we explain how the glass is manipulated to form this signature design, and how cat's eye marbles are ...

Marbles started as a sideline for us to train ... are made by heating a glass rod to 2,600 degrees, applying threads of colored glass on top, and adding layers of molten glass.

Christensen changed the way the playthings are made when he invented an automated machine that produced glass marbles. Christensen's machine ultimately paved the way for the mass production of ...

Did you every play marbles as a kid? I guess everybody did. Marbles go back a long way. I remember reading somewhere that the Romans used them. In this country, the Indians played the game with ...

On his right, a tall side table holds a rainbow of thin glass rods that spill color like fragile pickup ... designing and custom-creating contemporary marbles. In just a few years, he's built ...

The answer is they are all collector names for the brightly colored, machine-made glass marbles that were produced in America during the 20th century.

And he has started to get into glassblowing too, to make the marbles that he later cuts into diamond shapes. It’s cool to watch. He puts these little dots of hot-colored glass on a clear bulb ...