The first superman class slide is 1 minute to get ready for stations.
There are 3 timed slides. Each one is timed at 13 minutes.
There are 3 timed slides clean up and move slides. Each one is timed at 1 minute.
These slides takes the place of a timer or ringer to change class stations.
I also have this in Spanish.
You also have the option of changing/adjusting the time.