In 1965, there was one Spirograph set. Today, there are over 30 different sets to choose from. You can even buy a set that ...

inspired generations of children to twist and spin gears and pens, creating designs that even the most artistic would have difficulty duplicating freehand. Now, thanks to Ann Arbor-based Kahootz Toys, ...

Have you been left in awe by the stunning intricate designs created by a pen and gears by seemingly following the same pattern of movement over and over again? Did you wonder "How the heck is that ...