[Product Information]

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• Stirlingtechonline is exclusive distributor and the owner of the brand "SunnyTech"----Please be sure you receive an authentic SunnyTech stirling with SunnyTech logo and only sold by Stirlingtechonline to ensure 1-year 100% Satisfaction Guarantee.
• Low Temperature stirling，Size - 3.93 x 3.93 x 4.72.run freely on top top of hot water or cold ice
• It is a amazing and fantastic product at this price，it can be a great gift to your families or friends. It also can be used for teaching purpose.
• Education Toy Kit (easy to put the flywheel to the support shaft)
• please contact stirlingtechonline if your package doesn't come with manual