Lego vehicles don’t typically escape the realm of electric power, but as we’ve seen before, you can build air-powered engines with the building blocks, and they can even do useful work. Getting them ...

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We may receive a commission on purchases made from links. The Lego company is able to produce some truly fascinating products for fans to build at home. They usually involve large structures — ...

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 ...