Contact Us
Choosing between the 70 and 100 Model sets? Not sure a five-year-old is ready for classic rods? Need a piece count confirmed before a classroom order? Write to us — real builders answer, normally within one business day.
Catalog & set advice
Set recommendations, piece counts, age guidance, motor and battery questions, compatibility between collections.
Email: support@knex-us.com
Existing orders
Payment, delivery status, address changes and returns are handled by our authorised fulfilment partner with 24/7 support and full buyer protection.
Gift & bulk enquiries
Buying several sets for a classroom, club or party? Tell us the age range and budget — we’ll shortlist the right boxes and flag what combines into bigger builds.
Wholesale & press
For business enquiries about the K'NEX brand itself, contact the manufacturer, Basic Fun, Inc., through its official channels.
Fastest route for order issues: open the order-management link in your confirmation email. It connects you straight to the fulfilment platform’s 24/7 support — tracking, changes and returns are resolved there in minutes.
What happens after you write
- We read every messageNo ticket robots. Your email lands with the same people who maintain this catalog.
- You get a real answerWithin one business day — usually sooner. If a question needs manufacturer input, we say so and chase it.
- We update the siteGood questions become FAQ entries, so the next builder finds the answer instantly.
Before writing, it’s worth a quick look at the FAQ — ages, compatibility, batteries, delivery and returns are all covered there.