Here is a set of mini tech tracks i have build in order to feel confident with the tm² editor.
The track length is around 20s.

1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9 - 10 - 11 - 12 - 13

Here is a list of cup tracks i have made for fun. The track length is around 40s.

1 - 2 - 3 - 4 - 5 - 6