manheten-shop Welcome To Manhattan-Shop Item Description Mini Hot Air Stirling Engine Motor Model Educational Toy Kits Description:Speed:1300 to 1500 RPMSize: 100X45X50MMMaterial: Steel,copper and Aluminium,Weight:200g Features:Using mold steel manufacturing, solid and firm;Flywheel , fine milling, texture and beauty double combination;Rod made ​​of stainless steel manufacturing;Dynamic link sets of aluminum alloy cylinder, power cylinder and the power piston is SUJ2 material fine grinding surface of special treatment, high hardness. Do not wear high-speed ultra-long-runningHeating cylinder of quartz glass Package included:1 x Stirling engine model1 x Alcohol lamp (No alcohol included)1 x spare parts piston Payment We accept payment only through PayPal Shipping We will ship the item worldwide within 4 business days after PayPal payment confirmation & verification. Items will be shipped to your address registered with PayPalCustoms fees, tax or vat or any delay with the country regulation will be the buyer responsibility. Return policy We accept returned items within 30 days - buyer will be paying for shipping charges Feedback Best Service Fast Shipping High Quality