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ENJOMOR Balance Hot Air Stirling Engine Electric Generator Model with LED Light - STEM Toy

Original price $79.99 - Original price $79.99
Original price
$79.99
$79.99 - $79.99
Current price $79.99

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SKU 333326553ED

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ENJOMOR Hot Air Stirling Engine External Combustion Engine Electric Generator Model STEM Science Educational Toy

Features:

.With innovative design concept and strict manufacturing, we use the theory of Stirling to build a model that leads kids to knowledge through tangible fun. Heated by alcohol lamp, the model can run quickly with strong power. With mini electric generator to light the LED lamp, the model is unique and exquisite.
.The amazing performance will stimulate inspiration and lead you to a fancy world. With the rotation of the flywheel, you will amazed at the energy transformation and  enter a extended innovative world.
.The body adopts aluminum alloy, the connecting rod and actuating cylinder are made from copper. Silica glass is used in the heating cylinder. The surface of the model is anodized with metallic luster and operate stably. The model combines texture and beautiful.
.Instruction: Place the model on the desktop then add 95% alcohol into the alcohol lamp (less than 2/3 of the capacity). Lighting the alcohol lamp and preheating by the heating cylinder for 30s. Stir the flywheel to start. Do not touch the heating parts to prevent scald. Make sure there is no lubricant on the cylinder and piston.
.The product is suitable for science and technology enthusiasts, teaching and scientific experiment to exercise operation ability and cultivate innovative ability. With high quality and exquisite outlook, the model can also serve as a ornament and gift for friends and children on holidays.

Age:8+

Specifications:

.Material: Aluminum Alloy + Copper + Silica Glass
.Flywheel Diameter: 50mm
.Driving Wheel Diameter: 20mm
.Actuating Cylinder Inner Diameter: 12.5mm
.Piston Stroke: 13mm
.REV: 1200rpm
.Generating Voltage: 3-5V
.Product Dimensions: 15.5 x 8 x 12cm
.Product Weight: 900g
.Package Dimensions: 20 x 11 x 18cm
.Package Weight: 1100g
.Packing: Box
 

Questions about Shipment Q1 : Do you ship worldwide?A1 : Yes, we can ship worldwide.
Q2 : Where you ship goods from?A2 : Our warehouse is located in China, the goods will be shipped from China mainland.
 
Q3 : What is the shipping cost?A3 : For giving customer good shopping experience, we offer free international shipment.
 
Q4 : What is the shipping time?A4 : For expected delivery date, please check in this page: Expected Delivery TimeQ5 : How do I track my package?A5 :You can track your order on 17track.net . Or if you need a team members help check up please contact with our service team service@enginediy.com and we will be in touch with a status update.
 
Questions about Payment & OrderQ1 : What payment terms you can accept?A1 : For payment, we accept Paypal and Credit Card.
 
Q2 : My payment was declined, why? How to solve it ?A2 : If you made the purchase via Credit Card and failed, could you please contact with Stripe Support Team for solution? Or if the issue can be solved, please no worry, we accept Paypal payment as well.
 
Q3 : How do I cancel my order?A3 : For the order, if not shipped out yet, please contact with our Service Support Team service@enginediy.com , we will cancel your order and give you full refund.
 
Q4 : Is my information is securing using this site?A4 : Yes, Enginediy.com takes precautions to protect your personal information. When you submit sensitive information via the website, your information is protected both online and offline. Please don’t worry for this.
 
Q5 : What if my address is wrong?A5 : If the recipient's address was wrong, after the failed delivery, the parcel should be returned back to sender. After we receive the parcel, we will contact you for an updated address and arrange the new shipment.
 
Questions about Return & RefundsQ1 : What items are returnable?A1 : a)- We can accept returns or exchanges within the 30-day period. b)- All returned items must be in the original condition: unused, unwashed, and unworn. No exceptions.
Q2 : How do I return a product?A2:Contact with Enginediy Service Team service@enginediy.com to confirm details to make sure the item is meet the return condition. After the agreement, Service Team will send the detailed return information, please offer return tracking number after return shipment.Q3 : What is you refund policy?A3 : Refunds are processed within 1-5 business days, after you received our confirmation on the cancellation.
 
Q4 :How will you refund me?A4 : The refund are applied to the original payment method.

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