Trunky The Elephant Key.Philadelphia Zoo.America's First Zoo.

This is a Vintage Trunkey The Elephant Key,your families key to America's First Zoo in Philadelphia.In good condition and attached to the information card.The kids would insert the key into the keyhole of each talking storybook machine and turn him clockwise 1/2 turn .When the story begins turn him back and pull him out.It would turn on more than 40 talking story books placed throughout the Philly Zoo back in the 1970'80's.Nice collectible here.Thanks for looking.