K’Nex or Lego Value Pack Tubs $15 11/23/2011 By Charlene 2 Comments This post may contain affiliate links, please see my disclosure policy. There are two more deals on Legos and K’Nex toys right now. You can get a K’Nex 521 value tub for $15.00 right now. You can also get the pink or blue Lego tubs for $15- these have fewer pieces though. The shipping is free on a $25 order.