PFCKE HZZ92 Low Temperature Stirling Engine DIY Heat Education Model Class Teaching Brass Aluminium Stirling Engine Low Friction Graphite Piston for Adults Desktop Toy Gift for Engineer-Black - Shenzhen Huazhizao Technology CO.,Ltd, PKHZZ92-BK

• ⚜EASY OPERATION- Placing the engine on top of a freshly made tea, coffee or boiled water,wait for 20 seconds,give the flywheels a gently turn, it will be smooth-running quietly and slowly for around 30 minutes. Power piston goes with faint sounds when the flywheels is rotating, which even quieter than the tick tock sounds of your clock. Enjoy physical powertrain mechanism display, It will definitely be a great conversation piece on your desk. ⚜ELEGANT NO COMPROMISE DESIGN-Fashion appearance, exquisite aluminum alloy simple sense matches the classical beauty of brass, no screws protruding from plate.Micron precision borosilicate glass cylinder and graphite power piston with ultra-low friction throughout the Stirling engine quiet operation without noise.Giving flat bottom and good surface contact with heat source,Hollow brass struts provide surprisingly high insulation. Special anodizing treatment ensures this engine shining for years ⚜EXCELLENT ARTWORK FOR ENGINEERING PHYSICS ENTHUSIASTS-It will be a great conversation starter for everyone around you. a cool desktop piece amazing your friends and colleagues. a great gadget to kill time when boring. a relaxing stress relief physics toy for people in the office. an impressive gift for your families, friends, especially for engineering/physics lovers. It can be used for teaching physics, great to display basic principles of a Stirling engine and to show the art of design. ⚜MORE WAYS TO PLAY HZZ92-Stirling engines convert a small temperature difference into motion. As long as one plate is warmer (about 10°c) than the other then the engine will run. It doesn't matter which plate is warmer, as long as the other is cooler. Can be run on a variety of heat sources including boiling water, hand heat, digital TV boxes, ADSL modems, desk lamps, hot tea or coffee, warm sunlight. Place the engine on a bowl of ice and warm the top plate, then the engine will run in reverse. ⚜PFCKE'S BRAND QUALITY ASSURANCE - We provide 12-Month Warranty for any quality issues. If you're not 100% completely satisfied with your stirling engine, just simply contact us and we will refund or replace your product immediately. Please contact us first if you have any question about our products, our support team will try our best to help you solve all the issues. email reply within 24hs., Manufacturer: Shenzhen Huazhizao Technology CO.,Ltd