The history of the Slinky, and its humble origin, is one of innovation, imagination, and perseverance as much as it is chance.
Toys as teaching tools in engineering: the case of Slinky®
On National Slinky Day, the Delco-born toy gets its own historical marker
The Slinky Success Story
How Was the Slinky Invented?
How the Slinky Was Invented Because of World War II
TBT: Did you know - Haverford Township Historical Society
What Happened To The Slinky?
The Slinky Success Story
How the Slinky played an important role in World War II
How the classic Slinky toy was invented, plus see vintage variations - Click Americana