Handling time>> Ship within 24 hours after payment
Returns>> Fast refund,100% Money Back Guarantee.
Thanks to the customers who have been supporting us all the time. We have sold this product for six months The product quality and our service is highly spoken by our customers.
FANTASTIC SMART THING WITH EXTREMELY WELL MADE WHICH RUNS LIKE A DREAM
★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. It will definitely be a GREAT CONVERSATION PIECE on your desk.
★WIDE APPLICATIONS: Many people bought our machines as a gift to families, teachers, friends, boyfriends and seldom will our machines failed to cheer them up! For kids' science projects, physics/mechanics learning, a demonstration in class.
★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.
Speed: 60-220 RPM
Operation temperature differential: about 54-63°F
Continuous rotation time on a cup of boiling water: about 30-50 minutes
Overall size: 4.06x4.06x4.92in(L/W/H)
Size of flywheel: 3.43x0.23in(Diameter/Thickness)
Inner diameter of power cylinder: 0.61in
Net Weight: 0.52lb
1* Stirling Engine
1* Very detailed user manual
We truly believe we carry some of the most innovative products in the world, and we want to make sure we back that up with a risk-free ironclad 90 day guarantee.
If you don't have a positive experience for ANY reason, we will do WHATEVER it takes to make sure you are 100% satisfied with your purchase.
Buying items online can be a daunting task, so we want you to realize that there is absolute ZERO risk in buying something and trying it out. If you don't like it, no hard feelings we'll make it right.
We have 24/7/365 Ticket and Email Support. Please contact us if you need assistance.
Shipped directly from the manufacturer, Don't believe others. OUR Store100% Satisfaction GUARANTEED!