The gymnasium in Nintendogs you can find when you take you're dog for a walk, it's on the far right at the very end where you can practice your dogs agility but if you want to compete than go tap the icon competitions that is on the go out menu and its the one of course that says agility hope this helps.
The gym in nintendogs is the agility trial place where your dog practices.
Click go out and touch walk, then go to the yellow/orange building. That's all.
On all versions of nintendogs (other than dalmatian) you have to either get a firemans hat or meet a dalmatian on bark mode.
walk there
You Can't.
It's probably because that path you drew does not meet the entrance of the gymnasium.
you can't breed dogs. You have to buy them on nintendogs
You get a dalmation by getting the fireman hat on a walk.
there is none!
it depends on what you got
I've had my nintendogs game for over 2 years and I say no.
TARGET they cost $30
You can get all items that you can get in the other nintendog games
i think you have to find the fire fighter hat