An early commercial dating from about 1967 introduces the game and tries out some taglines:

“Your eyes won’t believe what your hands have done.”
“So much fun you’ll never want to stop.”

Introducing Super Spirograph:

https://www.youtube.com/watch?v=a9mrNm5PIEE

Spiromania, 1973, with a “live” band, promoting regular and Super Spirograph:

Spirograph Plus, with the extra arm, from the 1980s:

Much later, a commercial for the stunted version of Spirograph that was sold before the latest version came out – warning: this is in Dutch!