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- USA
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Ships within 48 hours · Estimated delivery Jul 31 - Aug 5
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Description
Stirling Engine Model Science Experiment Kit Small Production Kitnote: the color of the bulb is random. thank for your understanding. Features: . Exquisite Appearence: The stirling engine model looks cool and high end. Exquisite appearance with brilliant colors, realizing the dual combination of texture and aesthetic feeling and highlighting exquisite workmanship . High Quality: The base is stable and steady. Heating cylinder and power cylinder are beautiful and durable. The piston does not wear out at high speeds
note: the color of the bulb is random. thank for your understanding.Features:
.Exquisite Appearence: The stirling engine model looks cool and high end. Exquisite appearance with brilliant colors, realizing the dual combination of texture and aesthetic feeling and highlighting exquisite workmanship
.High Quality: The base is stable and steady. Heating cylinder and power cylinder are beautiful and durable. The piston does not wear out at high speeds for long periods of time.
.Combination: he Stirling engine body is fitted with a small generator. Additionally equipped with alcohol lamp, 5V5W big bulb, more interesting
.Interesting: Put the engine model on the horizontal and inject 2/3 alcohol into the alcohol lamp. Lit an alcohol lamp to preheat the cylinder for 30 seconds to 1 minute. The flywheel is assisted by hand to drive. Toggle the flywheel by hand, then the dry air expands to generate power to drive the flywheel to rotate rapidly, and light the bulb.
.Fuel: 95% alcohol should be used in the operation (not included), not water, kerosene, gasoline, lighter oil, liquor.
.Meaning and Value: The product has been assembled. You can operate directly, simple and convenient. By operating the engine, you would observe and know the operational process and more intuitive understanding of the operating principle of stirling engine, deepening your interest in physics; Its superior quality and exquisite appearance also make it of high collection value, which can be used as a high-end decoration or gift.
.Suitable for people over 12 years old
.Warm Tips: Be careful during operation.
Specifications:
.Color: As Shown
.Material: Metal
.Product Size: 16.5 x 9.5 x 9.7cm
.Product Weight: 370g
.Package Dimensions: 18 x 12 x 14cm
.Package Weight: 500g
.Packing: Carton Box
Package Content:
.1Set x Engine Model
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.5 ★★★★★
Based on 8 reviews
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Product Reviews
★★★★★ 5
Good mineral sunscreen
Size: 16 Fl Oz (Pack of 1)
Mineral sunscreen from a pump? Sign me up! Works well so far. Don’t forget to reapply if you’re playing in the water. Smells natural
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Reviewed in the United States on December 17, 2025
★★★★★ 5
Non-toxic, clean and natural!!
Size: 3 Fl Oz (Pack of 2)
I'm on my 8th tube of this since summer of 2023. I was looking for something clean, non-toxic and natural. The reviews are all correct. I use it every time I'm in the sun, I never burn. It goes on great, no white film left on my skin and protects for hours. I'll keep using it! Great product!
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Reviewed in the United States on July 17, 2025
★★★★★ 3
Missing pump
Size: 16 Fl Oz (Pack of 1)
Great sunscreen but missing pump. Not having the pump really makes it challenging to use.
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Reviewed in the United States on December 8, 2025
★★★★★ 5
Lightweight, Protective and Perfect for Everyday Use
Sun protection factor: 50 Sun Protection Factor (SPF), Size: 8 Fl Oz (Pack of 1)
Hawaiian Tropic Everyday Active SPF 50 sunscreen has quickly become my go-to for daily sun protection. The lotion feels light and non-greasy on the skin, which makes it easy to apply and absorb. There is no sticky residue or heavy feeling at all.
I love that it’s broad-spectrum and water-resistant so I feel confident that it’s protecting me during outdoor activities, whether I’m at the beach, hiking or just running errands. Plus, being oxybenzone-free is a huge bonus for anyone mindful of ingredients.
The scent is subtle and pleasant while not being overpowering like some sunscreens and the 8 fl oz size is perfect for keeping at home or in my bag. Overall, it’s effective, easy to use and keeps my skin safe and hydrated. Highly recommend for daily sun protection!
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Reviewed in the United States on December 3, 2025
★★★★★ 5
Lightweight and Smells Amazing
Sun protection factor: 50 Sun Protection Factor (SPF), Size: 8 Fl Oz (Pack of 1)
I was really impressed with how lightweight this sunscreen feels on the skin. It absorbs quickly and does not leave a greasy or heavy feeling behind. The scent is honestly one of my favorite parts because it smells so good and reminds me of being on vacation. I only used it on my body and not my face, and it worked perfectly for everyday sun protection. Overall it is such an easy, pleasant sunscreen to wear and I would definitely buy it again.
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Reviewed in the United States on December 5, 2025
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