[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 Engine Size:90*90*135mm
• 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.
• Many of our customers comes from school，colleague，etc