Kate Seymour took her daughter Ansley, 3, to the model train show in Atlanta on Jan. 8, 2017 at the Georgia World Congress Center.

Kate Seymour took her daughter Ansley, 3, to the model train show in Atlanta on Jan. 8, 2017 at the Georgia World Congress Center. / On Second Thought

A favorite pastime for many people is playing with model trains. It can be exciting to watch them whiz by on tiny tracks. Recently, model train enthusiasts of all stripes came to Atlanta for a the World's Greatest Hobby on Tour, a show promoting model railroading across all gauges for all ages. GPB’s Sean Powers stopped by and sent us this audio postcard.

Lovers of model trains gather at the Georgia World Congress Center in Atlanta on Jan. 8, 2017.

Lovers of model trains gather at the Georgia World Congress Center in Atlanta on Jan. 8, 2017. / On Second Thought

Vic Audo from Illinois-based Horizon Hobby shows Aubriana Davis of Duluth, Georgia how to operate a model train in Atlanta on Jan. 8, 2017.

Vic Audo from Illinois-based Horizon Hobby shows Aubriana Davis of Duluth, Georgia how to operate a model train in Atlanta on Jan. 8, 2017. / On Second Thought

Larry Williams of Athens, Ohio re-assembled this old children's ride, and had it ready to go during the World's Greatest Hobby on Tour show in Atlanta on Jan. 8, 2017.

Larry Williams of Athens, Ohio re-assembled this old children's ride, and had it ready to go during the World's Greatest Hobby on Tour show in Atlanta on Jan. 8, 2017. / On Second Thought

A model locomotive on sale at the World's Greatest Hobby on Tour show in Atlanta.

A model locomotive on sale at the World's Greatest Hobby on Tour show in Atlanta.

Tags: World's Greatest Hobby on Tour  model train  Atlanta  Georgia