Three-Power Settings and Reversable Direction Power Pak! A Tomy exclusive! With the Tri-Power Pak you can set the voltage to Beginner (8V), Intermediate, (12V) or Expert (22V) modes. This allows smaller children and beginners to have as much enjoyment as experts racing against each other. With the addition of the Tomy exclusive Pro Power track you can run a standard power pak on one lane and the tri-power pak on the other for added enjoyment.