![San Francisco Zoo on Twitter: "🚂All aboard! The Little Puffer Steam Train an integral part of #SFZoo history and is one of only three remaining 22-inch gauge engines left in the world. San Francisco Zoo on Twitter: "🚂All aboard! The Little Puffer Steam Train an integral part of #SFZoo history and is one of only three remaining 22-inch gauge engines left in the world.](https://pbs.twimg.com/media/D1GFSZ5V4AIKlH3.jpg:large)
San Francisco Zoo on Twitter: "🚂All aboard! The Little Puffer Steam Train an integral part of #SFZoo history and is one of only three remaining 22-inch gauge engines left in the world.
![San Francisco Zoo on Twitter: "The Little Puffer is turning 115 years old! To celebrate its 115 years, we will be handing out complimentary engineer hats each day of this #MemorialDayWeekend (Saturday - San Francisco Zoo on Twitter: "The Little Puffer is turning 115 years old! To celebrate its 115 years, we will be handing out complimentary engineer hats each day of this #MemorialDayWeekend (Saturday -](https://pbs.twimg.com/media/Dd-iy5YV4AESbSl.jpg)
San Francisco Zoo on Twitter: "The Little Puffer is turning 115 years old! To celebrate its 115 years, we will be handing out complimentary engineer hats each day of this #MemorialDayWeekend (Saturday -
![The Best Train Rides and Railroad Adventures for Families in Northern California and the Bay Area | Marin Mommies The Best Train Rides and Railroad Adventures for Families in Northern California and the Bay Area | Marin Mommies](https://www.marinmommies.com/sites/default/files/styles/full-width_column_827/public/stories/little-puffer-2021.jpg?itok=qBXMsfF3)
The Best Train Rides and Railroad Adventures for Families in Northern California and the Bay Area | Marin Mommies
![Train Rhymes For Babies | See The Little Puffer Trains Song For Children | Pre School Learning - YouTube Train Rhymes For Babies | See The Little Puffer Trains Song For Children | Pre School Learning - YouTube](https://i.ytimg.com/vi/K8YdwnB0irA/maxresdefault.jpg)
Train Rhymes For Babies | See The Little Puffer Trains Song For Children | Pre School Learning - YouTube
![Takara Tomy Chuggington Old Puffer Pete Toy Train Car New Loose - Railed/motor/cars/bicycles - AliExpress Takara Tomy Chuggington Old Puffer Pete Toy Train Car New Loose - Railed/motor/cars/bicycles - AliExpress](https://ae01.alicdn.com/kf/HTB1oztKrk9WBuNjSspeq6yz5VXal/Takara-Tomy-Chuggington-Old-Puffer-Pete-Toy-Train-Car-New-Loose.jpg_.webp)