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- USA
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Ships within 48 hours · Estimated delivery Jul 25 - Jul 30
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Description
1:2 Visible Flat Twin Airhead Engine Model Kit DIY Stem Engine Model1: 2 Visible Flat Twin Airhead Engine Model Kit DIY Stem Engine Model Features: . Beautiful appearance, transparent and visible, the finished product is realistic and full of mechanical sense. . The mechanical structure and internals of the horizontally opposed engine, the crankshaft, the pistons and the valves can be seen in the transparent casing, and the ignition spark is perfectly simulated. . Fun to Play: Contains more than 290 components,
1:2 Visible Flat Twin Airhead Engine Model Kit DIY Stem Engine ModelFeatures:
.Beautiful appearance, transparent and visible, the finished product is realistic and full of mechanical sense.
.The mechanical structure and internals of the horizontally opposed engine, the crankshaft, the pistons and the valves can be seen in the transparent casing, and the ignition spark is perfectly simulated.
.Fun to Play: Contains more than 290 components, including spark plugs, LED lights and sounding bases, sound and visual effects are realistic, each part is finely crafted, parts are assembled with screws or pins, no glue bonding, guarantee a good assembly experience
.Finished product size: length, width and height: 320mm*280mm*250mm
.Note: you need to purchase 3 x AA batteries by yourself.
.With more than 200 parts and a large number of chrome-plated and movable components, it is a two-cylinder horizontally opposed car engine that needs to be assembled by yourself.
.With Manual. From the crankshaft sprocket to the exhaust manifold, from the valve rocker arm to the oil sump, each part has a detailed diagram, allowing you to have a deeper understanding of the engine structure during the assembly process and improve your scientific knowledge. interest
.Its superior quality and refined appearance also have a certain collection.
.Suitable for the Crowd: 13 years old or older
Specifications:
.Color: As Shown
.Material: Plastic + Metal
.Product Dimensions: 32 x 28 x 25cm
.Product Weight: 3000g
.Package Dimensions: 46.8 x 35.7 x 15.9cm
.Package Weight: 3500g
.Packing: Box
Package Content:
.1 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
4.9 ★★★★★
Based on 20 reviews
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Product Reviews
★★★★★ 5
Cooling pillowcase
Color: 01 - Light Grey
These cooling pillowcases are fabulous. I just have one complaint they snap at the end instead of having a zipper, which could be uncomfortable if you’re laying on that snap. Also, it’s very hard to unfasten.
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Reviewed in the United States on December 5, 2025
★★★★★ 5
Comfy and cooling pillow cases for sleeping
Color: 01 - Light Grey, Color: 01 - Light Grey
Cooling cover for my pillow, great quality and super soft. Helps with my sleep. Have eye mask as a gift too. Highly recommended.
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Reviewed in the United States on December 28, 2025
★★★★★ 5
Comfortable and stays cool
Color: White-cooling Basic, Size: Queen(Pack of 1)
Great pillow. When i opened it, i noticed a strange smell, i assumed its the smell of whatever they use to make the pillow stay cool. You have to fluff it for a good amount of time to make sure the cooling agent spreads well in the foam. Is what i assumed atleast. Its a perfect amount of softness for me. Pair it with some bamboo pillow cases and you got a good night of sleep
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Reviewed in the United States on May 9, 2026
★★★★★ 5
BEST, MOST COMFORTABLE PILLOWS EVER!
Color: White-cooling Basic, Size: Queen(Pack of 2)
I've used others.BEST PILLOWS EVER! Firm, cooling and supportive. LOVE THESE!
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Reviewed in the United States on May 28, 2026
★★★★★ 4
Comfortable and Supportive, but Adjust the Filling
Color: White-cooling Basic, Size: Queen(Pack of 2), Color: White-cooling Basic, Size: Queen(Pack of 2)
I’m very happy with this pillow. The size is big and it feels soft while still providing good support, perfect for midnight scrolling on TikTok.
One thing to keep in mind is that it can feel a little too tall if you use all of the filling that comes with it. The good news is that you can easily adjust the amount of filling to find the height that works best for your sleeping position. Once I customized it, it was much more comfortable.
Overall, great quality, comfortable, and worth the purchase.
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Reviewed in the United States on June 3, 2026
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