Sometimes, kids have a tough time with N-Trak. The top of the layout is at or above the eye level of most kids. The module size is intimidating, and in a lot of cases, is prohibitive to transport. The complexity of the module structure and wiring make it difficult for young people as well. T-Trak is small, light weight, easy to transport and handle, easy to build, and has no wiring. And, because it is small, there is a lot less scenery to work on. The setup of T-Trak is at table-top level - which is more inviting to kids too.
GRVS is promoting the "Alternate" T-Trak corner and straight module design (diagrams below).
Typical Diagrams of Corner and Straight modules (2 3/4 inch high).
Inside corner shown below.
