Model steam engines have intrigued hackers and makers ... engines is the fact that many of them were sold as rough casting kits. This means the quality of the model is only as good as the ...

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.

Model steam engines have intrigued hackers and makers ... engines is the fact that many of them were sold as rough casting kits. This means the quality of the model is only as good as the ...