Everybody knows about Lego sets, but not everyone can afford them. Thankfully, there are other brands that also produce high-quality building sets. For instance, this Mould King model engine kit is ...

Anybody who loves cars would love to play around with a real engine all day, but that’s not always possible, especially for kids and teenagers. However, you can still entertain them with a model ...

Over on his YouTube channel [Tom Stanton] shows us how to build a Stirling Engine for a bike. A Stirling Engine is a heat engine, powered by the expansion and contraction of a working fluid (such as ...