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โก Build the engine that powers dreams โ feel the pulse of precision engineering!
The Mould King 10181 MOC Technic Boxer Engine Kit features 2375+ pieces to construct a realistic, battery-powered boxer engine model. Its unique horizontally opposed cylinder design lowers the center of gravity, reducing vibration and enhancing stability, just like in luxury sports cars. Ideal for ages 8+, this STEM-focused set encourages hands-on learning and creativity, making it a standout gift for aspiring engineers and tech enthusiasts.

















| Amazon Bestseller | #77,780 in Toys & Games (See Top 100 in Toys & Games) #1,835 in Toy Building Sets |
| Asin | B0DN1RSWYN |
| Brand Name | Mould King |
| Customer Reviews | 4.3 4.3 out of 5 stars (1,277) 4.3 out of 5 stars |
| Educational Objective | Problem Solving Skills |
| Is Assembly Required | Yes |
| Item Dimensions | 31 x 31.3 x 21.8 cm |
| Item Weight | 2.5 Kilograms |
| Manufacturer | MOULD KING |
| Manufacturer Minimum Age Months | 96.0 |
| Manufacturer Part Number | MK10181 |
| Material Type | Plastic |
| Model Number | 10182 |
| Model Year | 2025 |
| Number Of Batteries | 1 Lithium Polymer batteries required. (included) |
| Number Of Pieces | 2375 |
| Upc | 705736910806 |
User
้ข็ฝใใงใ
ใในใใณใ้ปๆฑ ใงๅใใใใใฐใปใซใขใผใฟใผใงๅใใฆใใ็ถๆ ใงใใใใงใผใณใฎไธใณใใพใงๆ็ตใฟใใจใใใฎใๆฅฝใใใงใใญใ
User
ใณในใๆ้ซ๏ผ
ใใฎๅคๆฎตใง็ด ๆดใใใใจๆใใพใ๏ผใใผใใฎ่ฒ่กจ่จใใกใใฃใจ้ฃใใใฎใจ3ใฏใฉใณใฏใจใใใกใใฃใจใชใซใทใคใงใใๅคงๆบ่ถณ๏ผใซใใณใใใงใโช
User
ใงใใใๅบๆฅใๆชใใชใ
็ตใฟ็ซใฆๅทฅ็จ390ใงไฝฟ็จใใใใผใซใไธใค็กใใฃใใงใใใใฎๅพ็ตใฟ็ซใฆใซๆฏ้็กใใฃใใฎใงใใฎใพใพๅฎๆๅบๆฅใพใใใใใฎใพใพ็ตใฟ็ซใฆใฆใ่ฏใใใใฏใใใฏ็ณปใฎไบๆใใผใใฎ็ขบไฟใจใใฆใ่ฏใๅๅใงใใใ ๅฎๆใตใคใบใใใใๅคงใใใฎใงๆณจๆ
User
ใชใซใๅ้กใฏ็กใใใใฉ
้จๅใฏๆญฃ็ขบใซไฝใใใฆใใๆฐใใใกใใจๆใฃใฆใใใใงใใๆใฎๆททใใ ๅทฅไฝใๆๅพ ใใฆใใ่ชๅใซใฏใใใใใฏใใใ ใใชใฎใง็ฉ่ถณใใชใใฃใ
User
DIYไธ่ฝ
ๅๆฑ่ชฌๆๆธใๆทปไปใใใฆใชใใDIYไฝๆฅญๅฐ้ฃใไฝใจใใใฆไธใใใ
User
็ตใฟ็ซใฆๆฅฝใใ
ๅปถใน๏ผๆฅ๏ผ๏ผๆ้ใใใใงๅฎๆ่ชฌๆๆธใซใฏๆฅๆฌ่ชใฏไธๅใชใใใฉๅๅ็ตใฟ็ซใฆใฏๅบๆฅใ้จๅใฏ๏ผ๏ผ๏ผ๏ผๅไปฅไธใใไธญใง๏ผๅใปใฉ่ชฌๆๆธ้ใใใใชใใฎใไฝฟใฃใฆๅฎๆใใพใใใใฎๅคๆฎตใงใณใฌใชใ่ฒทใใงใใใ ๅฎๆๅใฏๅคงใใ
User
LEGOใงใชใไบใๅๆใชใ
ไพกๆ ผใฏๅ ๅฎนใใ่จใฃใฆใชใผใบใใใซใ ใใ้จๅใ2็จฎ้กใงใใใใ1ๅใฅใคไธ่ถณใ1็จฎ้กใงๅทฆๅณใฎๅใ้ใใใใฃใใใใฏใไธญ่ฏ่ฃฝใงๅฎ็งใ็ฎๆใใชใใๅงใใใชใใ
User
๏ผ
้จๅใ็กใใไฝใชใฎ๏ผใใฏใ็ตไบใ้ใใใใซๆจใฆใใใใชใใฎใ ใญ
User
good product
it works.
User
Qualitรฉ ร bon prix
Blocs de qualitรฉ et instructions claires. Bon prix รฉgalement.
User
has fragility in design
Grandson built over a few days, one part missing but we did okay. Once built, it is fragile, but secure enough. It does operate but snapped together - it is not meant to be a high precision engine - parts fly off, connections separate. It is a toy that operates.
User
Customer satisfaction
On time delivery, good quality product
User
Great quality fun kit to build.
I was impressed by the detail and quality of the parts and the assembly instructions. I would not say it was super easy to assemble and I had to take my time but was fun to build. If any 8 year old can build this kit by themselves, they need to be working at NASA today. If your vison is less than perfect like mine do yourself a favor and download the PDF so you can zoom in on the steps on your laptop. Can be hard to see in the manual. The PDF also has a link to download the mobile app for the model. I did some early testing with the electric motor to make sure the crankshafts were all working correctly. It was fun to watch the crankshafts turn and the pistons go up and down. It was a bit of a shame the crankshaft and cams were mostly covered by other parts and as another reviewer mentioned the cylinder heads are opaque instead of clear. Would have been nice to be able to see the pistons going up and down and other internals more clearly. I consider the purchase well worth the money.
Trustpilot
2 weeks ago
1 week ago