Keeping children’s artwork in good condition can sometimes be a challenge. Even if you are ruthless about only keeping the best, there is a tendency for it to get creased and dog-eared. It makes sense to keep it flat, and a traditional portfolio is the ideal way to do this. Yet the choice of portfolios available for children is limited.  I couldn’t find one that I liked and most were very small, so I thought I would have a go at making my own instead. This proved to be pretty easy and quite cheap to do, with the added benefit of offering the opportunity to decorate and personalise the cover…