Awesome Low Temperature, Live in Action, Stirling Engine, That Just Keeps Going & Going With No Batteries!
★EASY START: just place on a mug of hot water and give it a spin and you're up and running; as long as enough temperature difference maintains, it will keep running like Forrest Gump. People will be shocked and surprised once this little engine start to work. It will definitely be a GREAT CONVERSATION PIECE on your desk.
★WIDE APPLICATIONS: people bought it for kids' science project, physics/mechanics learning, a demonstration on class, etc. It's a well-designed and crafted mechanical toy; great to display basic principle of external combustion engines; a fantastic gift for people you love. Many people bought our machines as a gift to families, teachers, friends, boyfriends and seldom will our machines failed to cheer them up!
★MOST CLASSICAL STIRLING ENGINE: with elegant design and fine workmanship, this is a beautiful piece of art. Many people are satisfied with the fit and finish of our engine.
★SAFE FOR KIDS: Complies with the applicable regulations and standards under CPSIA and any other acts enforced by CPSC; passed Toxic Elements Test/Flammability Test/Physical and Mechanical Test of ASTM-963 Standard Customer Safety Specification For Toy Safety.
★RISK-FREE SERVICE: if the one you receive does not work, which rarely happens, simply send us a message and we will mail you another FREE WITH NO HESITATION; or you can send us a message to request for a refund, we will refund you WITH NO HESITATION and you DO NOT have to mail it back. Like we promised, you risk NOTHING!