Great resource for Year 1. I like the flipchart as it uses a variety of interactive experiences to engage the learner in making choices that are healthy. Some of the problems that may occur with the flipchart information is not considering other food groups and the realistic question of defining "what really is a balanced diet".
Article talking about "hacks" - small, cheap changes to make a difference - in a class room setting. A couple related to digital technologies, but focus is broader.