Four years ago Erene Grieve ventured into a primary school in Pembrokeshire to find out if the children would be interested in joining a stamp club and start collecting.
They were and she's now started up the Stamps in School Project, taking her caravan around the country, introducing pupils to the wonders of philately.
Claudia Hammond went along to Sprouston Middle School in Norwich where teacher Karen Bygraves and her class were being introduced to stamps. For more information click on The British Philatelic Trust link.
The BBC is not responsible for the content of external websites.