Listed on this page are K'NEX coupons, discount coupon codes and special offers. Click the link to redeem a Knex.com coupon, sale or discount deal. With knex.com coupon codes, click our link and then enter the online promo code at the merchant's online site to redeem it.
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Free shipping on $35+.
Expires on Aug 18, 2026.
Save 5% on all Science projects, kits, chemestry sets, microscopes and accessories
HobbyTron.com Code: SCIENCE
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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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