• Well Made----Produced with high quality material and adopts mirror surface stainless steel for the base, brass cylinder premium spring with nickel plating stand and accessories, aluminium alloy dis-placer piston, glass cylinder liner, precision bearing, bearing steel shafts, zinc alloy flywheel. All the parts have done surface treatment to avoid rusting.
• Long Lasting----Using 95% alcohol which test by one customer, It did come with two spare hot cylinder glass tubes and two O-rings inside the package. you can replace it fast and easily and replacement instruction included on the manual.
• Smart Size----It only measure to 3.94 X 1.77 X 1.97 in and contains pattern of connecting rod piston, crankshaft, lever, belt drive, gearing, worm drive, transmission, threaded fastener, rolling bearing, plain bearing, heat transfer, sealing techniques etc.
• Amazing Conversation----It's funny to see people's looks and reactions when they squeeze a little shot for this Stirling engine. Put some combustibles and get the flywheel going.
• Best Gift----Its elegant gift package makes it spruce up and presentable. It has a wide range of application as, great gift for Kids' science project, Physical/mechanical learning, teacher’s Demo props on the class, birthday gift for friends, families, parents.