PizazzToy Stirling Engine Model Kit, Adjustable Speed Stirling Engine Model with Balls Bearing Flywheel, Science Experiment Educational Kit

Unique Design: This novel Stirling engine model features a sophisticated wooden base, making it not only functional but also an elegant addition to any desk or workspace Adjustable Speed Control: Easily observe the dynamics of the piston with an adjustable air conduction knob that allows you to control the speed of the Stirling engine Sturdy Materials: Crafted from sturdy aluminum alloy and brass, with a high-temperature resistant quartz glass heating cylinder, ensuring long-time performance Easy Operation: Simply place the model on a flat surface, fill the alcohol lamp with 95% alcohol (not included), ignite for 30 seconds, and turn the flywheel to start the engine Educational & Decorative Gifts: Perfect for hands-on learning about physics principles, this exquisite model also serves as a high-end desktop decoration or a thoughtful gift for friends and family, Manufacturer: PizazzToy