3rd & 4th Radius N Gauge Helix Kits
This kit gives you your first complete turn on your double track helix (from baseboard to level o..
Use this to take you up a level, it provides one complete turn per kit.
Increasing the q..
This 1/2 circle provides another 180º turn
This 1/4 Circle Segment kit helps adjust the point of exit accordingly.
Straight sections can be used to enlarge your helix if desired, or if used in conjunction with 1/..
Straight sections can be used to enlarge your helix if desired, or if used in conjunction wit..