Step-by-step instructions on how to build your first robot from scratch for about $100.

If you want an easy project to complete in a day or so, or something to introduce kids to the world of robots and electronics, make this light-following robot your weekend project.

Children already spend a lot of time looking at screens, so if they can be taught to draw using a physical pen and paper, so much the better. That's the thinking behind DrawBo, a wall-mounted ...

A step-by-step guide to making a paper airplane. How does the craft fly through the air?