They are giving away 300 Mario or Luigi's K'NEX figures a day. Also, there will be 5 Mario's that will have the Golden Ticket which will allow the person receiving this figure to claim their grand prize of a Wii prize package.
Here is a copy of the email that I received:
From Monday, June 13, through Friday, July 15, 2011, K’NEX Mario Kart Wii fans can register online to receive a free Mario™ or Luigi™ K’NEX figure. 300 figures will be distributed for each day of the five week promotion. Of the 10,000 figures, five lucky grand prize winners will receive a Mario figure plus a Golden Ticket that entitles them to a special prize package including: a Wii™ console (a $150+ value), the entire K’NEX Mario Kart Wii product line (18 toys featuring Mario, Luigi, Yoshi™, and their favorite karts and bikes on two popular Mario Kart Wii tracks -- a $632 value) and a trip to tour K’NEX headquarters in Hatfield, PA. For more information, complete rules and to enter the sweepstakes visit www.knex.com/mariogoldenticket. No purchase necessary.
Ø K’NEX contest page - http://www.knex.com/mariogoldenticket/
Ø K’NEX Facebook page - http://www.facebook.com/buildknex
Ø Info on the NEW K’NEX Mario Kart Wii products - http://www.knex.com/mariokartwii/
So, go ahead and enter and good luck to ya! I hope all my readers win!!!
Disclaimer: I received no compensation for this post. All opinions within are my own.