There’s no shame in playing with paper, especially if it’s used to build functional V8/V12 engines, complete with moving parts and gearbox. Continue reading to see them both. Click here for first picture in gallery.

V12 Engine

Measuring 630mm x 405mm x 335mm, this incredible V12 four-stroke engine, comprised of 1978 pieces of paper, is fully-functional and powered by two AA batteries. Movable parts include: a compound crankshaft, rapid cooling fan, 12 rods and 12 pistons. It weighs 1492g and sports a 13.5RPM crankshaft speed.

V8 Engine

This fully-functional V8 Engine was made entirely from paper, with the exception of its internals. It sports many moving parts, which include a compound crankshaft, 8 rods/pistons, and a complex compound gearbox. The engine is powered by two 1.5V D-sized batteries and weighs in at just 2.98kg.

[Sources 1 | 2]