This is just the research side of it.
When defining 'kids' lunch box', one would assume it to be a basic container, with perhaps a few dividers placed in it, used for placing a sandwich, some fruit a drink or for something healthy. E.g. :
Though thats not the case as lunch boxes are made to be more sophiticated to appeal to kids, as it seems that kids nowadays prefer junk over healthy.
One of the goals in the assesment is to come up with a concept lunch box that will not only appeal but to encourage kids to have a healthier habit of eating.
During earlier research, I came across a brand that was kinda similar to the briefs' ideals and the concepts we'd be making. The site was called 'Planet Box', only that they specialise in a reusable product and had no pre-packed lunch whereas we would be making something disposable with a pre-packed lunch.
Their product is made from stainless steel and kids can have fun 'designing' there lunch boxes with magnets. The compartments inside the box allow an interesting arrangement of food to appeal.
Another similar concept would have to be with :
http://www.biome.com.au/371-goodbyn
Their lunch boxes are called 'Goodbyn Bynto boxes'.
Though, what I have noticed is that Japanese lunch boxes, known as bento, tend to conquer the world of creativity in lunch boxes as the food is turned into art, which definately appeal to kids.
Bento are not only artistic but are tasty too.
Looking at lunch box concepts, physical appearance is what appeals and it seems as though Japanese design is being applied. If not Japanese, then illustrations of animations are used and are also seen on packaging to snacks as well (which doesn't seem to promote the idea of healthy).
An example of Japanese design being incorporated with lunch boxes.