T-Trak is great way to build a layout with scenery that is easy to assemble, easy to transport, and easy to store. Kato and Woodland have teamed up on this product to create a T-Trak SubTerrain Layout Kit. This Straight Kit includes everything you need to start building your own T-Trak Module including Kato UniTrack, shaper sheets, plaster, glue, and instructions.