And Slinky Dog, which debuted in 1952, enjoyed a renaissance in 1995 after starring in the movie Toy Story. One noteworthy bomb, though, ... with lots of small competitors.

“Every time I had a couple of quarters I would go buy myself a slinky.” Now, Suazo has more than 1,100 slinkies. She has traditional ones, plastic ones, metal ones, big ones and small ones.

The Slinky wound up on top 10 toy lists of the 20th century for both The Discovery Channel and The History Channel, and the U.S. Postal Service honored it on a commemorative stamp.