The value tubs of K’Nex tubs are $10 from Walmart.com with free shipping to store. These were priced at $21.88 and it looks like a version of Legos with 325 pieces.
Click HERE to have a look.
K’Nex 325 Piece Tub $10
This post may contain affiliate links, please see my disclosure policy.
Thanks for the heads up, I ordered this for my son who will be 7 in August, great birthday present to tuck away for my son who LOVES to build! The ship to store is great too!