Picked this up this week, cart only, its great but only have six circuits...how many are there?!?
According to GameFAQs (//http), there's a total of 8 tracks, if that's what you're referring to. Hope that helps!
You know, I've never played this game, but taking a look at it, it looks pretty fun, if you're into arcade-y racers. And that water effect is seriously impressive, too!