GUEST: This is a train set that was my dad's. APPRAISER: Uh-huh. GUEST: It was given to him on his first Christmas in December 1930. Obviously, he didn't get to play with it that year, but ...

He points towards the model trains. "This layout here has three different Lionel train sets on it running and kids could operate the remotes over there. You see him pressing the horn?" His dad ...

BIANCO JR: This layout here has three different Lionel train sets on it running, and kids could operate the remotes over there. You see him pressing the horn (laughter). (SOUNDBITE OF TOY TRAIN ...

His little Lionel set went from closet-sized to ... This triggers that for everyone.” Go: "The Great Train Set," Liberty Science Center, 222 Jersey City Blvd., Jersey City, exhibit included ...