Free kits for primary schools and home-educators (http://www.growyourownpotatoes.org.uk):
Welcome to Grow Your Own Potatoes

A project that teaches primary aged children about potatoes. With almost 2 million primary school children benefiting from this classroom experience that is linked to the UK curricular children learn how potatoes grow and how they fit in to a healthy balanced diet. All you have to do is register your school to receive a FREE potato growing kit, use the supporting lesson plans and worksheets and for a chance to win fabulous prizes for your school, enter the competition once you have harvested.
Sign up for your free kits now (or tell your childrens school)