Adding stickers to fruit in your kiddies lunch box will not only let them know you care, but also draw their attention to the yummy fruit - so hopefully they wont skip the banana and have the crisps first!
Idea found here, adhesive paper found here and print out ideas can be downloaded from here. If not, hand written messages on stickers would be just as cute!
Check out this cute little crowd of gnomes! This is a free download that you can print out, found here, and so easy to make. Why not give the older children plain paper and pens to make their own?
How about using cookie cutters to shape a boring sandwich for their lunch boxes? You can get some great cookie cutters here. The above images were just found on Google images - type in 'children's lunch box ideas' and feel inspired!