No. The 20 Deals of the Day models get 15% off (their Xmas Price) instead of the 12% sitewide discount. Everything else gets 12% off. You can mix both in one order. Every discount applies automatically at checkout. No code needed.

December 15, 2026 at 11:59 PM US Pacific Time.

That depends on which warehouse your item ships from. See the order-by dates above. The product page shows the warehouse. If you're unsure, email service@stirlingkit.com before you order.

Yes. Several models are friendly to first-time builders, and the ones marked Ready to run come assembled, so there's nothing to build. Battery-powered kits need building but no fuel or extra parts: build it, then switch it on. Our gift guide sorts them by budget and experience.

Yes. Enter their address as the shipping address. To add a gift message, write it in the order notes and we'll put it in the package. There are no prices on anything in the box.

No. Black Friday was this year's lowest price. If a product you bought then drops lower before December 31, we'll refund the difference. Email service@stirlingkit.com with your order number.

Orders placed between October and December can be returned until January 31, 2027. See our return policy for conditions.

Every kit is checked before shipping. If something's missing, film the unboxing and email us within 7 days of delivery. We'll send the part free of charge.

No. With free standard shipping, duties and taxes are already included, so there is nothing extra to pay when your package arrives. Orders from our US and EU warehouses ship locally and don't go through customs at all. If you choose an express option at checkout, local duties may apply.