The real thing can weigh upwards of 600 pounds, but the V8 engine Aliaksei Zholner built would barely register on a scale because it’s only slightly larger than a ping-pong ball and made from nothing but paper and glue.
The tiny engine has a piston stroke of just six millimeters and cylinders that are only five-and-a-half millimeters in diameter. The whole thing can be powered manually using a pair of fingers, but it’s even more impressive when connected to a can of compressed air which really gets the little V8 roaring. [YouTube via SlashGear]
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