Cheap and cheerful digital technology kit for kids (of all ages)

The first home computer revolution spawned some wonderful ideas for beginners to experiment with at home, as well as in education. The problem was that the easiest ones to use were very expensive and the others required very good technical skills. Now there is a wide range of cheap, accessible and safe microelectronic devices on which beginners can cut their teeth (not literally!). The 4-page article, written in March, reviews just a few of them