Today’s Wonder of the Day twists and turns and even walks down stairs!
How the classic Slinky toy was invented, plus see vintage
Richard James, “Slinky Toy”, 2012, made by Poof®; original design
The Slinky: Invented by a man but made famous by a woman - WHYY
Slinky toy richard james hi-res stock photography and images - Alamy
How Was the Slinky Invented?
13 Slinky Stairs Stock Photos, High-Res Pictures, and Images
TBT: Did you know - Haverford Township Historical Society
The Sensational Story of the Sleek, Silver Slinky
The Slinky Success Story
Springs in Toys Bring Joy - Ajax Wire & Spring
The Invention of the Slinky - Priceonomics