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Ships within 48 hours · Estimated delivery Aug 13 - Aug 18
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Description
Haynes DIY Assembly Mini L4 Simulation Transparent Runnable Engine ModelHaynes DIY Assembly Mini L4 Simulation Transparent Runnable Engine Model Features: . Explore the mysteries under the hood of the car! L4 simulation engine, the parts are designed according to the real engine, and the assembly experience is different. The model can be run after assembly, and it has sound waves, the outer shell is transparent, and it can be seen directly inside the engine. . The product comes with detailed assembly instructions, a total
Haynes DIY Assembly Mini L4 Simulation Transparent Runnable Engine ModelFeatures:
.Explore the mysteries under the hood of the car! L4 simulation engine, the parts are designed according to the real engine, and the assembly experience is different. The model can be run after assembly, and it has sound waves, the outer shell is transparent, and it can be seen directly inside the engine.
.The product comes with detailed assembly instructions, a total of more than 100 components, including spark plug LED lights and sound base. The components are assembled with screws or bolts to ensure a good assembly experience without glue. Build a fully functional simulation inline four-cylinder engine model in 2.5 hours, and experience the fun of technology with you and your family!
.Working Model: The crankshaft connecting rod and piston are all available, and the engine sound wave module is integrated. In the transparent housing parts, you can see the mechanical structure and inside of the horizontally opposed engine. The crankshaft, pistons and valves operate like the original engine, and even the engine ignition sequence corresponds to each other.
.Instructions for Use: A certain hands-on ability is required, and younger ages can allow parents to assemble together. After assembling the finished product, the battery will provide power to drive the engine to run, so that the engine ignition sound starts when the piston starts to inhale and the flywheel rotates. You can watch the working principle of the engine, the speed is very slow, suitable for teaching. The battery needs to be prepared by yourself.
.Use Significance and Value: Let adults and children explore the working principle of car engines together, a good hands-on science experience after the model is built, you can use the battery-driven function to create your own straight four-engine model. The model design allows you to easily assemble them together and makes it easier for you to understand the working principle of a full-size four-stroke car engine.
.For Age: 10+.
Specifications:
.Color: As Shown
.Material: Plastic
.Product Weight: 1800g
.Package Dimensions: 11 x 30 x 42cm
.Package Weight: 2000g
.Packing: Graphic Carton
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.
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- Standard Shipping : 3-10 business days
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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 24 reviews
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Product Reviews
★★★★★ 4
Breathable fabric
Color: Army Green, Size: X-Large
Breathable fabric, tighter fit than expected.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 14, 2026
★★★★★ 5
Great quality tank tops!
Color: Apricot, Size: Medium, Color: Apricot, Size: Medium
Had to take a quick minute to review these tank tops. Extremely soft, lightweight, comfortable, breathable, and sweat wicking & stretchy. Seem to conform and fit athletically without being too tight at all. I live in Phoenix and the summers are blistering, and this is probably one of the best tank tops I have owned. Athletic enough to wear to the gym or go for a run but stylish enough to just wear casually as a summer tank top as well. I ended up ordering two more for a total of three so far and likely will get yet another one in a different color. So far have kept their shape & color with laundry as well. Great job and amazing value!
(just for reference I’m about 6,1” and 160 lbs, athletically built but slender and ordered a medium and it’s perfect).
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Reviewed in the United States on June 28, 2025
★★★★★ 5
Flattering, Durable, and Worth Buying Twice
Color: Army Green, Size: Large
Love the material on these. I bought the green and loved it so much, I bought the black too. It's stretchy material and that is very durable. It's also flattering as it hugs the chest and shoulders, but is loose on the stomach if you have a bit of a gut. Great for showing off your arms. Washes great without shrinkage or fading. Looks higher quality than a cotton tank.
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Reviewed in the United States on March 10, 2026
★★★★★ 3
Could be better
Color: Black, Size: 3X-Large
It’s not bad. But!, I wish it was an inch longer. I got a 3x and idk why manufacturers always increase the neck hole on larger sizes. It’s a femininely large neck hole. I may send it back ? Not sure yet.
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Reviewed in the United States on May 7, 2026
★★★★★ 5
Stylish tank
Color: Apricot, Size: Medium
Comfort and stylish. Fit me perfectly 5’11” at 178 pounds
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Reviewed in the United States on April 30, 2026
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