Originally intended as a way to stabilize sensitive instruments on ships during World War II, the Slinky ... toy that was also fun for a girl and a boy? As it turns out, a cheap expandable metal ...

the Slinky was the most fun you could hope to have with a metal coil. Powered by nothing but gravity and imagination, children everywhere loved watching it spring its way down staircases.

This bridge in the German city of Oberhausen, named “Slinky Springs to Fame”, was inspired by the Slinky spring toy. 406 metres long, thepedestrian bridge across the Rhine-Herne Canal is both playful ...