I have the same flyer from toys r us Canada.
Not sure exactly if it is 20 per day or just saturday though. Have you called.
I think the one by me they took the phone off the hook. Treid for an hour tonite cant even get through to the store.
It does say minimim 20 per store. I am gonna try in the morning (not a camper, I want the Wii....just not that bad!) get there 1/2 hour before the store opens.