Scott Sanburn: "I bought 4 of these for the straight rails - a 10 rating for the curves. Outside of building a spiral tower, I do not see the need of having curved outside of the standard loop for train sets."
Richie Dulin: "Probably the most versatile of the three 2006/7 released train track sets. Disappointingly, it provides only half a circle of curves, but the elements can be combined in a number of interesting ways."