A MAN who made the world's biggest V8 and gearbox from old lego has revealed how it's controlled.
Lego fan Evan Koblentz’ construction combines two of his greatest passions - and boasts lights to represent the spark ignition.
A spark-ignition engine is a type of engine, generally petrol, which runs when an air-fuel mixture is ignited by a spark from a spark plug.
The American spent nearly a year building the engine which is a replica of a big-block Chevrolet 454 cubic inch V8.
It was an option in cars like the Chevelle, El Camino and C3 Corvette.
Evan built it from the ground up to show what could be done with vintage Lego parts, using Expert Builder pieces from the 1970s and 80s.
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All in all, the whole setup weighs a mammoth 18kg and is around four feet long - nearly life sized.
Evan didn’t keep count of how many pieces he used but says it’s several thousand.
There are also lights to represent spark ignition and it’s controlled using Lego-produced 4.5-volt motors, which run off a ’80s Laser computer.
Footage of the lego motor in motion shared on YouTube shows a fan whizzing around as various cogs get to work moving the parts of the faux machine.
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Viewers were quick to share their thoughts in the comments section.
One wrote: "Absolutely incredible. Anyone can build a modern Lego kit with custom made Lego parts and shapes and directions.
"But what you did… I’m totally amazed. Thank you for sharing it."
While another said: "Sir, this is an incredibly cool and well thought out assembly. As an engine builder myself, I would like to commend your creativity and execution on this project. Utmost respect."
"Just amazing work!" offered a third.
It comes as a mum discovered a clever cafe that keeps the kids entertained for hours without breaking the bank.
Jen took to her social media page to share the details of the magical find with her 367,300 followers.
She posted a clip of her four-year-old son Leo, who she shares with partner João, walking down the street as they came up to the ‘Builder’s Brew’ cafe.
Located in Sheffield, visitors need to book in a time slot of one, two or three hours and tickets cost just £3 per person at the Lego-themed cafe.