« You’ll be amazed at what you can do with a simple loop of string. » Offers an introduction to string figures, instructions for constructing a variety of string figures (and tips for untangling the string), and related print and online resources. String figure instructions are broken down by difficulty level, and are accompanied by photos.
http://www.darsie.net/string/
[ For primary school children, or lower secondary school. This is both an exercise for the hands and to understand directions in English. The pictures help to infer the meaning of the words in the texts.]