






⚙️ Build, watch, and own the power of a V8 — your desk just got legendary!
The Mould King 10171 V8 Engine Model Kit is a motorized, highly detailed miniature V8 engine replica featuring transparent cylinders to observe piston and valve movements. Designed for adults and STEM enthusiasts, it combines hands-on assembly with realistic mechanical operation and sound, making it an ideal collectible and educational tool.




J**R
Motor Building
Purchased this for my grandson and he loved putting it together within 15 minutes :) I would buy again and its fun for the kids. He also enjoyed his time with is Papa who is into race cars and hot rods. It was an educational experience.
L**A
Era lo que esperaba
Muy bueno y bonito. Al joven le encanto.. Lo recomiendo
J**R
needs to be a bit bigger size for the cost
This is very neat but lots of little pieces, this needs to be built a bit bigger
A**S
Great stem toy
My 8 year old put this together in one day he was so proud of himself. He's had other kits like this, but this one he actually finished and got to work.
D**H
nice
nice
M**!
Don't but if you wear glasses without bifocals!
Cheapest build there is, not very good!Not near the quality of Legos!The instruction book is way to small, need a magnifying glass to see what to do!
L**R
Directions not clear. Missing parts.
First of all the directions are strictly photos. Each step shows what pieces you will need for that step. I found that some of the steps are in bad order. So maybe step 7 should have been done in step 4 first. This is just an example. Not real steps. Several times I had to take things apart in order to complete the next step. Also one of the steps showed pins going in holes that were not there so I had to improvise. Also some parts were not included. Because of that when I turn it on I had to hold parts with my fingers so it wouldn’t fall apart. lol. Biggest issue were the lack of directions and missing parts. Looks good just can’t run it.
B**I
Non functioning motor
The electric motor was not working, making it worthless to build the motor
Trustpilot
3 weeks ago
3 weeks ago