Layout designer: Terry Thompson
Scale: O
Layout size: 5 x 8 feet, expanding to 8 x 12 feet
Track type: MTH RealTrax
Minimum curve: O-31
Originally appeared in the January 2013 issue of Classic Toy Trains.
An O gauge layout that grows!
By Terry Thompson | November 16, 2012
| Last updated on March 6, 2026
This MTH RealTrax plan expands from 5 x 8 to 8 x 12 feet.
