The iconic Gus & YiaYia’s Ice Balls enterprise started in 1934 when Gus Kalaris was a baby. He grew up along with the family business and by the age of 8, was scraping ice alongside his dad. Not quite 20, he took over the ice cart in 1951 after his father passed away.

Over the past 80-some years, Gus & YiaYia’s has grown into a North Side destination for generations of Pittsburghers. The ice ball stand is a favored stop before a Pirates game, a sweet first date and a popular summer evening treat.

Gus & YiaYia’s Ice Balls is now part of another cherished tradition, the Miniature Railroad & Village at Carnegie Science Center. The annual updates to the exhibit draw more than 40,000 visitors each year.

“It’s a little too much for me,” says Gus, 89, about the acclaim. “It’s like my Lombardi trophy.”

On the display, between Mister Rogers’ house and the Crawford Grill, a tiny dark-haired Gus stands next to the familiar orange cart and rainbow umbrella, surrounded by customers. The cart includes a block of ice, popcorn and peanuts, along with a few bottles of flavored syrup. And that’s his wife Stella in the black skirt, working alongside him.

The original YiaYia in the name — Greek for grandma — was Gus’s mother Pauline. Later, the honorific went to Stella, who died in 2016.

So, how does mini-Gus compare with the real thing?

“He looks younger, that’s for sure,” says Gus with a laugh.

From the beginning, the family made it a point to keep prices affordable for their customers.

“We used to sell them for 3 cents because Isaly’s Ice Cream, the Skyscraper, was a nickel,” says Gus, who lives in Brighton Heights. “My dad figured if a family had 15 cents, they could buy five ice balls.”

The famed ice balls are flavored with his top-secret syrup recipe — and a splash of nostalgia for the parents and grandparents who continue to flock to the cart with excited kiddos in hand. It’s a perfect combination to draw visitors to the train layout, too.

Other updates to the 83-foot-by-30-foot exhibit include:

  • A frozen pond with ice skaters;
  • The two-headed cow in The Show of Living Wonders;
  • The dance hall in Luna Park;
  • A circus parade through town with camels, elephants and giraffes;
  • And motion-activated digital text panels.

Five O-gauge trains and more than 115 animatronics add interest for kids, who can view them all at eye level. Look for the dog raising his leg on a tree, the spinning barber pole and a man bathing in a backyard tub. You’re likely to spy more details on every visit.

The Miniature Railroad & Village is included with general admission ($11.95 for ages 3-12, $19.95 for grownups and $14.95 for seniors).

The Garden Railroad: Bridges and Tunnels at Phipps Conservatory and Botanical Gardens includes fun details like the infamous Sinkhole Bus. Photo by Phil Johnson.

MORE TRAIN EXHIBITS

It’s full speed ahead for area train exhibits, many of which were forced to keep their doors closed last year. Here’s where to find them:

1. Phipps Conservatory Garden Railroad: Bridges and Tunnels

The Garden Railroad at Phipps Conservatory and Botanical Gardens undergoes a transformation each year. This season’s theme, Bridges and Tunnels, recognizes the distinctive geography of Pittsburgh.

Trains go clickety-clack across a familiar yellow suspension bridge and through a wooden covered bridge. Touchless, interactive stations give kids the chance to navigate a city bus through Downtown, operate the Duquesne Incline and open a drawbridge. There is a bit of humor, too, with the miniature Liberty Tunnels being closed for construction and a tiny Sinkhole Bus in all its viral glory. Be sure to look for a masked Dippy wrapped in his black-and-gold scarf.

Unlike the handmade trees and bushes found in other miniature railroad exhibits, the landscape comes alive at the Garden Railroad with more than 3,500 plants.

A visit to the Garden Railroad is included with general admission ($11.95 for ages 2-18, $19.95 for grownups and $17.95 for seniors). It’s a cool stop that the whole family will enjoy while visiting the Holiday Magic! Winter Flower Show and Light Garden.

Look for familiar buildings and roadways at the Western Pennsylvania Model Railroad Museum. Note the Smithfield Street Bridge in the forefront. Photo courtesy of the Western Pennsylvania Model Railroad Museum.

2. Western Pennsylvania Model Railroad Museum

Founded in 1938, this club is one of the oldest in the country. Western Pennsylvania Model Railroad Museum volunteers are dedicated to the preservation of railroad history. The display covers 4,000 square feet with 6,500 feet of track running from Pittsburgh to Cumberland, Maryland, in the year 1952. The HO-scale display includes familiar landmarks (some from the past), like J&L Steel, Fallingwater and Cox’s Department Store. The 100 steam locomotives and 250 diesel engines pull more than 2,000 cars through the landscape.

Located at 5507 Lakeside Dr. in Gibsonia, the holiday show runs Fridays, Saturdays and Sundays through Jan. 16, except for Christmas Eve and Christmas Day. Requested donations are $5 for ages 12 and younger and $10 for grownups. Return for the Friday night Steam at Twilight event, when the clock is turned to 1942, the lights are dimmed, and all the steam locomotives let loose.

Younger kids will get a kick out of the interactive toy train display, an O-gauge Lionel layout. They can push buttons to activate the tracks and keep the trains running. A scavenger hunt of sorts helps kids point out cool features like a candy car train, giraffes traveling with the circus and bandits on a handcart trying to rob a train.

Club members at Ohio Valley Lines donate three model train starter sets at every open house date. Photo courtesy of Ohio Valley Lines.

3. Ohio Valley Lines

Railroad enthusiasts who chug north to Ambridge can find a model railroad, museum and library at Ohio Valley Lines at 1225 Merchant St.

The club launches its annual open house and holiday show on Nov. 27 with a train layout that includes HO-scale and N-scale tracks and trains. Visitors are welcome from noon to 5 p.m. Saturdays and Sundays through Jan. 8, except Christmas Day, with a requested donation of $2 for ages 3-12 and $6 for their grownups. Kids ages 2 and younger are free.

Along with sharing their love of all things train, club members promote the hobby for a new generation. They collect and repair trains for donations through the Trains for Tots program that began in 2010. Three starter sets are given away at random every day of the holiday show. Each starter set includes a transformer, terminal track, engine, caboose and four cars — all the pieces needed to get started. So far, more than 170 train sets have found new homes with junior engineers.