Enter The K’Nex Sesame Street Sweepstakes for a chance to win one of 10 sets of two tickets to The Sesame Street Theme Park in Langhorne, PA or one of 100 K’Nex Sesame Street Building Sets (ARV $20). You must be 18 to enter and there is a limit of one entry per person for the duration of the sweepstakes. Sweepstakes ends 12/31.