DjuiinoStar Most Classical Low Temperature Stirling Engine, Unique Coffee Timer, Best Gift Option, Educational Toy…

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★EASY START: just place on a mug of hot water and give it a spin and you’re up and running; so long as enough temperature differential maintains, It is going to keep running like Forrest Gump. People will be shocked and surprised once this little engine begin to work. It is going to for sure be a GREAT CONVERSATION PIECE on your desk.
★WIDE APPLICATIONS: people bought it for kid’s science project, physics/mechanics learning, demonstration on class, and so on. It is a well-designed and crafted mechanical toy; great to display basic principle of external combustion engines; improbable gift for people you love. Many of us bought our machines as 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 can be a beautiful piece of art. Many of us 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.
★★★★★We provide free replacement if engine stop working within 365 days. We also provide spare parts free for all our products within 1 year. DjuiinoStar stands in the back of its products, buy with confidence!