Simple Circuit

A simple train layout set. For variation, you could swap the ascending/descending sections with the straight sections.

ButterflyvCircuit

An example train layout set, with two round ends that make it resemble a butterfly.

Jelly Bean Circuit

An example train layout set that looks like a jelly bean.

Curvy Curcuit

An example train layout set. The main feature of note is that the two straight sections are separated.

Step circuit

A train layout that looks like a step.