Mini trains and mini tracks equal massive man hours. Since 1979, the Guernsey Valley Model Railroad Club has been building Model Train tracks. And today, they showcased their display, which focused on the Pennsylvania Railroad to the public. There are 10 active members of the club. The display covers 6 rooms of the Colley Block Building in Cambridge. And, if the track were laid in a straight line, it would exceed over 4 football fields.