Low Temperature Stirling Engine Coffee Cup Stirling Engine Model Education Toy

Low Temperature Stirling Engine Coffee Cup Stirling Engine Model Education Toy - Enginediy This low temperature stirling engine designed reasonable and compact. You can bring it home, school office with convenient in your bag. Put Stirling engine on the cup which full with hot waters, give the flywheel a gently push, and get the flywheel going, and then the Stirling engine works like charm. It's funny to see people's looks and reactions when they squeeze a little shot for this Stirling engine.All of your guests want to know what happened, ice-breaking success. What a marvelous toy! Key Points:1, FANTASTIC SMART THING WITH EXTREMELY WELL MADE WHICH RUNS LIKE A DREAM----The Stirling engine is produced with high quality material and elegant work-craftsman. this Stirling engine adopts mirror surface stainless steel for the base, glass cylinder liner, precision bearing, bearing steel shafts, zinc alloy flywheel. All the parts have done surface treatment to avoid rusting. Oil-free.2, OPERAT