For the upcoming release of Mario Party 9, Nintendo of America is giving away six copies of the game and six 30 minute appearances by the famous Mario Bros.. The contest ends on March 7th, so you'll need to hurry on over to Twitter if you want to enter! 

Contestants need "to (1) be an @NintendoAmerica Twitter follower during the Contest Period, and (2) using the hashtag '#1UPMyParty,' tweet in 140 characters or less why Sponsor should crash your party along with a brief description of your party (including city and state where the party will be) during the Contest Period." 

If you win, be sure to send TMK a photo.

Link: Mario Party 9 Contest