stirlingkit.com

Stirlingkit sells Stirling engines, V8 engine kits, steam engine kits, inline-4 engine kits, turbofan engine kits, V-twin kits, and 3D metal model kits, alongside RC helicopters, RC cars, and accessories such as Tesla coils and electromagnetic motors. The catalog lists brands including Toyan®, Teching®, Cison®, Enjomor®, Howin®, Retrol®, Musa®, Skymechman, Semto®, and Okmo®.

The shop describes itself as working with engine factories that produce Stirling engines, steam engines, 4-stroke RC engines, and internal combustion engines, using CNC machining for production. Its About page positions the engines for modelers, collectors, teachers, and gift-givers, with applications noted for science projects, physical/mechanical learning, and classroom demonstrations.

The store is built on Shopify. Shipping to the US takes 15–35 business days, with tracking provided and a confirmation email sent once an order ships. Returns can be requested within 45 days via a Return Merchandise Authorization. Payment options include credit card and PayPal.