All the Knex.com promotional codes and sale offers are shown in the listing on this page. Simply click on the link to receive the discount or details on the discount. Redemption of these promo code deals requires another step after clicking on the link. You must also enter the promo code on the web site before you finalize your order.
Free shipping on $79+ order.
Instock Items only.
Free shipping on $35+.
Expires on Aug 18, 2026.
Click on "Sale!" on top of page
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Overall K'NEX has a 5 star rating based on 1 user reviews.
K'NEX > than Legos
It is my personal belief the K'Nex are better than Legos. K'Nex definitely has more of an architectural aspect to it. K'Nex themselves are hardy, and harder to lose then the smaller Lego pieces. It is much easier to make a functional car prototype with K'Nex compared with Lego
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