*HOT* Lego Building Sets ONLY $14.50 Each! Ninjago, Starwars, and MORE This post may contain affiliate links. Please see the full disclosure policy here. Posted on November 22, 2012 Written by Mary 1 Comment Do you have LEGO FANS in your house? If so, HURRY over to Walmart where you can snag 2 boxes for $29 – just $14.50 per set! Choose in-store pickup to save on shipping.