Metal Rotary Engine Kit, DIY Assembly Electric Engine Model, Build Functional Mechanical Display, Educational Physics Engineering Model for Science Enthusiast

Specification:Name: Metal Rotary Engine Model KitMaterial: 304 stainless steel + wood + resinProduct size: 15x12.5x15cmSpeed: up to 600 rpmKit: Need to assemble by yourselfPackage Included:1 * Rotary Engine Model ❤ very happy that you can visit my shop, If you have any questions about our products, please contact us in time, we will reply to you as soon as possible within 24 hours, I wish you a happy shopping!

• ◆ This is a high-precision metal rotary engine kit with complete parts, allowing you to enjoy hands-on DIY assembly fun and experience the exquisite structure of mechanical transmission.
• ◆ Made of premium metal material with fine craftsmanship, the engine model is durable, smooth in operation, and can run stably after assembly with electric drive design.
• ◆ It is a functional mechanical display piece that restores the real working principle of rotary engine, perfect for desktop decoration and mechanical collection display.
• ◆ Great for science enthusiasts, engineering learners and mechanical hobbyists, helping you deeply understand physical power and mechanical engineering knowledge.
• ◆ The assembly process is challenging and interesting, bringing you immersive building experience and serving as a unique gift for mechanical and technology lovers.