If you own a Wii and DS (I do, hurray!  But they are still packed away, *sigh*) then hope on to the Nintendo Channel with your Wii so you can download demos for your DS.  There is a small MySims Kingdom demo waiting for you.  However, it’s just a small mini-game called Vegetable Vendor.  You’re character will show you vegetables and you’ll have to pick them out on the touchscreen.  Everytime you are correct, a few seconds are added to the clock.  Once time runs out, you’ll get a score on how well you did.

Source:  IGN