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Description
Brushless DC Electric Motor Radial Solenoid Engine Model Hall effect ScienceToysMetal Six cylinder Brushless Electromagnetic Engine Model Scientific Educational ToysFeatures:. Exquisite Appearance: A 6 cylinder electromagnetic engine model designed with a star engine as a prototype. The appearance is mini dominant, highly simulated, and strong magnetic brushless power. It is a professional model toy that can show your personality very well.. Fine Workmanship: The whole machine is mainly made of high hardness alloy steel, CNC
Metal Six-cylinder Brushless Electromagnetic Engine Model Scientific Educational ToysFeatures:
.Exquisite Appearance: A 6-cylinder electromagnetic engine model designed with a star engine as a prototype. The appearance is mini-dominant, highly simulated, and strong magnetic brushless power. It is a professional model toy that can show your personality very well.
.Fine Workmanship: The whole machine is mainly made of high-hardness alloy steel, CNC machining and metal wire drawing technology, ingeniously crafted, finely polished, and full of metal mechanical feeling. It can be used and stored for a long time.
.Widely Used: It is interesting and can be used as a teaching aid for electromagnetic science experiments or teaching. It is helpful to understand its structure and principles and increase children's interest in learning scientific knowledge.
.Instructions for Use: You need to prepare a 2S-3S lithium battery, 5 wires, and 1 brushless ESC. Just connect one end of the ESC to the machine and the other end to the battery to start the machine.
.Personal Gift: It will be a cool desktop model decoration for you and your friends to start a conversation. It is also suitable as a personalized gift for technology model lovers, teaching aids for teachers, and adult technology toys.
.Age: 14+
Specifications:
.Color: As Shown
.Material: Metal + Acrylic + PVC
.Engine Diameter: φ90mm
.Engine Thickness: 50mm
.Piston Diameter: 10mm
.Piston Thickness: 10mm
.Piston Stroke: 9mm
.Spindle Diameter: φ3mm
.Power Supply Voltage: 6-12V (2S-3S lithium battery is recommended)
.Current: 5A or more (Recommended to use the brushless ESC for 1:10 model car)
.Product Dimensions: 9 x 9 x 5cm
.Product Weight: 192g
.Package Dimensions: 15 x 15 x 10cm
.Package Weight: 500g
.Packing: Box
Package Content:
.1 x Engine Model
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
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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.
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4.0 ★★★★★
Based on 18 reviews
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Product Reviews
★★★★★ 4
Good value, soft and comfortable
Color: Black, Army Green, Light Gray, Size: 4X-Large, Color: Black, Army Green, Light Gray, Size: 4X-Large
Initial thoughts are very positive with this 3 pack shirt set. The green is similar to an OD military green and the black and gray are standard color shades. Material is soft and sizes are true to size. The mock turtleneck isn’t too tight but may still be a little annoying to some people. I do question the amount of spandex in these shirts. Tag says 5% but these shirts are extremely stretchy and feels like a higher spandex content. It’s also a little tough to figure out which way is the front of the shirt. Visually rhe front does have a lower collar line than the back but would still be nice to have a brand tag printed in the back of the shirt for quicker identification.
Overall for roughly $12 a shirt these are a good choice for everyday wear. I will update rating if these shirts fail to meet expectations after further use.
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Reviewed in the United States on April 8, 2025
★★★★★ 5
👍🏻
Color: Black, Army Green, Light Gray, Size: 5X-Large
Weirdly thick material, I wasn’t a fan but it’s a good sleep shirt
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Reviewed in the United States on May 28, 2026
★★★★★ 5
Just what I wanted.
Color: Black, Navy Blue, Wine Red, Size: 5X-Large
These may have just become my standard shirt to wear. Feels good whether tucked or out. Drapes well and fits well. So far, I can see it adjust to the different undershirt I may wear. Will probably order another set in other colors and a back up set of the basics because they will get worn a lot.
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Reviewed in the United States on July 17, 2025
★★★★★ 3
Its alright
Color: Black, Size: 5X-Large
True to size per the size chart. The fabric is soft but it it feels cheap to me. It attracts lint but you can brush it off easily so its not the cheapest material I've dealt with. Also, it is opaque (not see through).
There is no front/ back indicator either which is indicative of a cheap shirt in my opinion. Would be friendly for tag sensitive people (to stay positive).
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Reviewed in the United States on April 14, 2026
★★★★★ 5
Fit and colors are perfect
Color: Black, White, Apricot, Size: Large
They fit very well, I got them for my husband and he was very excited for the style & fit i am actually going to buy him another pack
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 7, 2025
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