Without question, the Rolls-Royce Merlin engine is one of the greatest piston pushers ever made. The 27-liter V12 was built in the 1930s and 1940s and would eventually go on to power allied fighter ...

A 20-year-old mastermind from Romania has built the world's first full-size Lego car, with a compressed air-powered Lego engine. It has space for two passengers and can hit a top speed of around 30 ...

There’s just something special, accessible, and enjoyable about car stuff made from Legos. Whether they’re transmissions, suspension systems, or other mechanical goodness, it’s fascinating to see the ...

Pneumatic engines aren’t something we use every day, but they’re compelling things to see working in practice. [Nico71] built an eye-catching example out of LEGO Technic, and it’s remarkably ...