Remember when playtime meant tempting fate? From toy belts that fired speeding projectiles to high-powered pogo sticks that sent us soaring, these perilous playthings were made for kids—but their risks were anything but child’s play.
A naval engineer’s failed attempt to stabilize sensitive ship equipment accidentally sends a spring tumbling down a shelf, sparking the creation of the Slinky, a simple misfire that bounces its way into becoming one of the most beloved toys of all time.