The $29.99 all-metal desktop Stirling engine kit is one of the simplest. It can be assembled in 15 minutes and is recommended for ages 14 and up. Also for $29.99 is the Exploring Kid Steam Engine Kit.

Now $60, down $40 off its usual $100 sticker price, this miniature engine kit seems to suggest otherwise. Get It! Made specifically for educational purposes, this Playz kit is divided into over ...

The engine models were packed into a specially designed packing cases and lifted into the museum by a crane A miniature engine collection has been permanently housed in Devon. The David Hulse ...