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.

Hi friends! Guess what? Our fabulous Barbie doll is taking a break and wants to go to a beach party! But, oh, no! Disaster strikes – Barbie forgot her entire makeup bag! What a total nightmare... But ...

Watch as a mini barbecue kit is built using mini bricks and recyclable materials. This video demonstrates how to create a mini brick barbecue, along with a mini cleaver, fork, and BBQ tablet. Perfect ...