First Level Base Kit - 3rd & 4th Radius - 'N' Gauge
This kit gives you your first complete turn on your double track helix (from baseboard to level one) it rises to 56mm, resulting in a gentle 2% or 1:50 gradient. Designed to suit 3rd & 4th radius set track Geometry. The kit is supplied with everything required to give you a full 360° turn including comprehensive assembly instructions.
Any additional level will require the 3rd & 4th riser kit.